Integrated Taxonomic Information System - Taxon Author Search Results


Expert: Alan P. Peterson, M.D.

ITIS records citing expert
 
 Kingdom Animalia
  Abeillia Bonaparte, 1850 -- valid
  Abeillia abeillei (R. Lesson & Delattre, 1839) -- valid -- Colibrí pico corto, Emerald-chinned Hummingbird
  Abroscopus E. C. S. Baker, 1930 -- valid
  Abroscopus albogularis (Moore, 1854) -- valid -- Rufous-faced Warbler
  Abroscopus schisticeps (J. E. Gray & G. R. Gray, 1847) -- valid -- Black-faced Warbler
  Abroscopus superciliaris (Blyth, 1859) -- valid -- Yellow-belled Warbler
  Aburria Reichenbach, 1853 -- valid
  Aburria aburri (R. Lesson, 1828) -- valid -- Pénélope aburri, Pava aburria, jacu-de-barbela, Wattled Guan
  Acanthidops Ridgway, 1882 -- valid
  Acanthidops bairdii Ridgway, 1882 -- invalid -- Peg-billed Finch
  Acanthisitta Lafresnaye, 1842 -- valid
  Acanthisitta chloris (Sparrman, 1787) -- valid -- Rifleman
  Acanthisittidae -- valid
  Acanthiza Vigors & Horsfield, 1827 -- valid
  Acanthiza chrysorrhoa (Quoy & Gaimard, 1830) -- valid -- Yellow-rumped Thornbill
  Acanthiza ewingii Gould, 1844 -- valid -- Tasmanian Thornbill
  Acanthiza inornata Gould, 1841 -- valid -- Western Thornbill
  Acanthiza iredalei Mathews, 1911 -- valid -- Slender-billed Thornbill
  Acanthiza katherina De Vis, 1905 -- valid -- Mountain Thornbill
  Acanthiza lineata Gould, 1838 -- valid -- Striated Thornbill
  Acanthiza murina (De Vis, 1897) -- valid -- Papuan Thornbill
  Acanthiza nana Vigors & Horsfield, 1827 -- valid -- Yellow Thornbill
  Acanthiza pusilla (Shaw, 1790) -- valid -- Brown Thornbill
  Acanthiza reguloides Vigors & Horsfield, 1827 -- valid -- Buff-rumped Thornbill
  Acanthiza robustirostris Milligan, 1903 -- valid -- Slaty-backed Thornbill
  Acanthiza uropygialis Gould, 1838 -- valid -- Chestnut-rumped Thornbill
  Acanthogenys Gould, 1838 -- invalid
  Acanthogenys rufogularis Gould, 1838 -- invalid
  Acanthorhynchus Gould, 1837 -- valid
  Acanthorhynchus superciliosus Gould, 1837 -- valid -- Western Spinebill, Méliphage festonné, Picoespina occidental
  Acanthorhynchus tenuirostris (Latham, 1801) -- valid -- Eastern Spinebill, Méliphage à bec grêle, Picoespina oriental, melífago-oriental
  Acanthornis Legge, 1887 -- valid
  Acanthornis magnus (Gould, 1855) -- invalid
  Accipiter Brisson, 1760 -- valid -- Bird Hawks
  Accipiter albogularis G. R. Gray, 1870 -- valid -- Pied Goshawk
  Accipiter badius (Gmelin, 1788) -- valid -- Shikra
  Accipiter bicolor (Vieillot, 1817) -- valid -- Gavilán bicolor, Bicolored Hawk, Épervier bicolore
  Accipiter brachyurus (E. P. Ramsay, 1880) -- valid -- Grey Sparrowhawk, New Britain Sparrowhawk, New Britian Sparrowhawk
  Accipiter brevipes (Severtzov, 1850) -- valid -- Levant Sparrowhawk
  Accipiter butleri (Gurney, Jr., 1898) -- valid -- Nicobar Sparrowhawk
  Accipiter castanilius Bonaparte, 1853 -- valid -- Chestnut-flanked Sparrowhawk
  Accipiter chionogaster (Kaup, 1852) -- valid -- Gavilán pecho blanco, White-breasted Hawk
  Accipiter cirrocephalus (Vieillot, 1817) -- valid -- Collared Sparrowhawk
  Accipiter collaris P. L. Sclater, 1860 -- valid -- Semicollared Hawk
  Accipiter cooperii (Bonaparte, 1828) -- valid -- Gavilán de Cooper, Cooper's Hawk, epervier de Cooper, Épervier de Cooper
  Accipiter erythrauchen G. R. Gray, 1861 -- valid -- Rufous-necked Sparrowhawk
  Accipiter erythronemius (Kaup, 1850) -- valid -- Rufous-thighed Hawk
  Accipiter erythropus (Hartlaub, 1855) -- valid -- Red-thighed Sparrowhawk
  Accipiter fasciatus (Vigors & Horsfield, 1827) -- valid -- Brown Goshawk
  Accipiter francesii A. Smith, 1834 -- invalid -- Frances's Sparrowhawk
  Accipiter gentilis (Linnaeus, 1758) -- valid -- Gavilán azor, Northern Goshawk, Autour des palombes
  Accipiter griseiceps (Schlegel, 1862) -- invalid -- Sulawesi Goshawk
  Accipiter gularis (Temminck & Schlegel, 1844) -- valid -- Asiatic Sparrowhawk, Japanese Sparrowhawk
  Accipiter gundlachi Lawrence, 1860 -- valid -- Gundlach's Hawk, Épervier de Cuba
  Accipiter haplochrous P. L. Sclater, 1859 -- valid -- White-bellied Goshawk
  Accipiter henicogrammus (G. R. Gray, 1861) -- valid -- Moluccan Goshawk
  Accipiter henstii (Schlegel, 1873) -- valid -- Henst's Goshawk
  Accipiter imitator Hartert, 1926 -- valid -- Imitator Goshawk, Imitator Sparrowhawk
  Accipiter luteoschistaceus Rothschild & Hartert, 1926 -- valid -- Slaty-mantled Goshawk, Slaty-backed Sparrowhawk
  Accipiter madagascariensis A. Smith, 1834 -- invalid -- Madagascar Sparrowhawk
  Accipiter melanochlamys (Salvadori, 1876) -- valid -- Black-mantled Goshawk
  Accipiter melanoleucus A. Smith, 1830 -- valid -- Black Sparrowhawk
  Accipiter meyerianus (Sharpe, 1878) -- valid -- Meyer's Goshawk
  Accipiter minullus (Daudin, 1800) -- valid -- Little Sparrowhawk
  Accipiter nanus (W. Blasius, 1897) -- valid -- Dwarf Sparrowhawk
  Accipiter nisus (Linnaeus, 1758) -- valid -- Eurasian Sparrowhawk
  Accipiter novaehollandiae (Gmelin, 1788) -- valid -- Grey Goshawk
  Accipiter ovampensis Gurney, 1875 -- valid -- Ovambo Sparrowhawk
  Accipiter poliocephalus G. R. Gray, 1858 -- valid -- Grey-headed Goshawk
  Accipiter poliogaster (Temminck, 1824) -- valid -- Grey-bellied Hawk, Autour à ventre gris, Gray-bellied Hawk
  Accipiter princeps Mayr, 1934 -- valid -- New Britain Goshawk
  Accipiter rhodogaster (Schlegel, 1862) -- valid -- Vinous-breasted Sparrowhawk
  Accipiter rufitorques (Peale, 1848) -- valid -- Fiji Goshawk
  Accipiter rufiventris A. Smith, 1830 -- valid -- Rufous-breasted Sparrowhawk
  Accipiter soloensis (Horsfield, 1821) -- valid -- Gray Frog-Hawk, Chinese Sparrowhawk, Épervier de Horsfield
  Accipiter striatus Vieillot, 1808 -- valid -- Gavilán pecho rufo, Sharp-shinned Hawk, epervier brun, Épervier brun
  Accipiter superciliosus (Linnaeus, 1766) -- valid -- Tiny Hawk, Épervier nain
  Accipiter tachiro (Daudin, 1800) -- valid -- African Goshawk
  Accipiter toussenelii (J. Verreaux, E. Verreaux & Des Murs, 1855) -- valid -- Red-chested Goshawk
  Accipiter trinotatus Bonaparte, 1850 -- valid -- Spot-tailed Sparrowhawk
  Accipiter trivirgatus (Temminck, 1824) -- valid -- Crested Goshawk
  Accipiter ventralis P. L. Sclater, 1866 -- valid -- Plain-breasted Hawk
  Accipiter virgatus (Temminck, 1822) -- valid -- Besra
  Accipitridae Vigors, 1824 -- valid -- Eagles, Hawks, Kites, aigles, buses, éperviers
  Aceros Hodgson, 1844 -- valid
  Aceros cassidix (Temminck, 1823) -- invalid -- Knobbed Hornbill
  Aceros comatus (Raffles, 1822) -- invalid
  Aceros corrugatus (Temminck, 1832) -- invalid -- Wrinkled Hornbill
  Aceros everetti (Rothschild, 1898) -- invalid
  Aceros leucocephalus (Vieillot, 1816) -- invalid -- Writhed Hornbill
  Aceros narcondami (Hume, 1873) -- invalid
  Aceros nipalensis (Hodgson, 1829) -- valid -- Rufous-necked Hornbill, calau-de-pescoço-ruivo, Cálao del Nepal, Calao à cou roux
  Aceros plicatus (J. R. Forster, 1781) -- invalid
  Aceros subruficollis (Blyth, 1843) -- invalid
  Aceros undulatus (Shaw, 1812) -- invalid
  Aceros waldeni (Sharpe, 1877) -- invalid -- Walden's Hornbill
  Acestrura Gould, 1861 -- invalid
  Acestrura astreans Bangs, 1899 -- invalid
  Acestrura berlepschi (Simon, 1889) -- invalid
  Acestrura bombus (Gould, 1871) -- invalid
  Acestrura heliodor (Bourcier, 1840) -- invalid
  Acestrura mulsant (Bourcier, 1843) -- invalid
  Achaetops Roberts, 1922 -- valid
  Achaetops pycnopygius (P. L. Sclater, 1853) -- valid -- Rockrunner
  Acridotheres Vieillot, 1816 -- valid
  Acridotheres albocinctus Godwin-Austen & Walden, 1875 -- valid -- Collared Myna
  Acridotheres cinereus Bonaparte, 1850 -- valid -- Pale-bellied Myna
  Acridotheres cristatellus (Linnaeus, 1758) -- valid -- Crested Myna
  Acridotheres fuscus (Wagler, 1827) -- valid -- Jungle Myna
  Acridotheres ginginianus (Latham, 1790) -- valid -- Bank Myna
  Acridotheres grandis Moore, 1858 -- valid -- Great Myna
  Acridotheres tristis (Linnaeus, 1766) -- valid -- Common Myna
  Acrobatornis Pacheco, B. M. Whitney & Gonzaga, 1996 -- valid
  Acrobatornis fonsecai Pacheco, B. M. Whitney & Gonzaga, 1996 -- valid -- Pink-legged Graveteiro
  Acrocephalus J. A. Naumann & J. F. Naumann, 1811 -- valid -- Reed-Warblers
  Acrocephalus aedon (Pallas, 1776) -- invalid -- Thick-billed Warbler
  Acrocephalus aequinoctialis (Latham, 1790) -- valid -- Bokikokiko
  Acrocephalus agricola (Jerdon, 1845) -- valid -- Paddyfield Warbler
  Acrocephalus arundinaceus (Linnaeus, 1758) -- valid -- Great Reed Warbler
  Acrocephalus atyphus (Wetmore, 1919) -- valid -- Tuamotu Reed Warbler
  Acrocephalus australis (Gould, 1838) -- valid -- Australian Reed Warbler
  Acrocephalus baeticatus (Vieillot, 1817) -- valid -- African Reed Warbler
  Acrocephalus bistrigiceps Swinhoe, 1860 -- valid -- Black-browed Reed Warbler
  Acrocephalus brevipennis (Keulemans, 1866) -- valid -- Cape Verde Warbler
  Acrocephalus caffer (Sparrman, 1786) -- valid -- Tahiti Reed Warbler
  Acrocephalus concinens (Swinhoe, 1870) -- valid -- Blunt-winged Warbler
  Acrocephalus dumetorum Blyth, 1849 -- valid -- Blyth's Reed Warbler
  Acrocephalus familiaris (Rothschild, 1892) -- valid -- Millerbird
  Acrocephalus gracilirostris (Hartlaub, 1864) -- valid -- Lesser Swamp Warbler
  Acrocephalus griseldis (Hartlaub, 1891) -- valid -- Basra Reed Warbler
  Acrocephalus kerearako Holyoak, 1974 -- valid -- Cook Reed Warbler
  Acrocephalus luscinia (Quoy & Gaimard, 1830) -- invalid -- Nightingale Reed-Warbler
  Acrocephalus melanopogon (Temminck, 1823) -- valid -- Moustached Warbler
  Acrocephalus mendanae Tristram, 1883 -- valid -- Marquesan Reed Warbler
  Acrocephalus newtoni (Hartlaub, 1863) -- valid -- Madagascar Swamp Warbler
  Acrocephalus paludicola (Vieillot, 1817) -- valid -- Aquatic Warbler
  Acrocephalus palustris (Bechstein, 1798) -- valid -- Marsh Warbler
  Acrocephalus rehsei (Finsch, 1883) -- valid -- Nauru Reed Warbler
  Acrocephalus rimatarae (Murphy & Mathews, 1929) -- invalid
  Acrocephalus rufescens (Sharpe & Bouvier, 1877) -- valid -- Greater Swamp Warbler
  Acrocephalus schoenobaenus (Linnaeus, 1758) -- valid -- Sedge Warbler
  Acrocephalus scirpaceus (Hermann, 1804) -- valid -- Eurasian Reed Warbler
  Acrocephalus sorghophilus (Swinhoe, 1863) -- valid -- Speckled Reed Warbler
  Acrocephalus stentoreus (Hemprich & Ehrenberg, 1833) -- valid -- Clamorous Reed Warbler
  Acrocephalus syrinx (Kittlitz, 1833) -- valid -- Carolinian Reed Warbler
  Acrocephalus taiti Ogilvie-Grant, 1913 -- valid -- Henderson Reed Warbler
  Acrocephalus vaughani (Sharpe, 1900) -- valid -- Pitcairn Reed Warbler
  Acropternis Cabanis & Heine, 1859 -- valid
  Acropternis orthonyx (Lafresnaye, 1843) -- valid -- Ocellated Tapaculo
  Acryllium G. R. Gray, 1840 -- valid
  Acryllium vulturinum (Hardwicke, 1834) -- valid -- Pintade vulturine, Pintada vulturina, pintada-vulturina, Vulturine Guineafowl
  Actenoides Bonaparte, 1850 -- valid
  Actenoides bougainvillei (Rothschild, 1904) -- valid -- Moustached Kingfisher, Alción bigotudo de la Bougainville, Martin-chasseur à moustaches, Bougainville Moustached Kingfisher
  Actenoides concretus (Temminck, 1825) -- valid -- Rufous-collared Kingfisher, Alción malayo, Martin-chasseur trapu
  Actenoides hombroni Bonaparte, 1850 -- valid -- Hombron's Kingfisher, Blue-capped Kingfisher, Alción de Mindanao, Martin-chasseur de Hombron
  Actenoides lindsayi (Vigors, 1831) -- valid -- Spotted Wood Kingfisher, Spotted Kingfisher, Alción moteado, Martin-chasseur tacheté
  Actenoides monachus (Bonaparte, 1850) -- valid -- Green-backed Kingfisher, Alción monje, Martin-chasseur moine, Blue-headed Kingfisher
  Actenoides princeps (Reichenbach, 1851) -- valid -- Scaly-breasted Kingfisher, Scaly Kingfisher, Alción príncipe, Martin-chasseur princier
  Actinodura Gould, 1836 -- valid
  Actinodura egertoni Gould, 1836 -- valid -- Rusty-fronted Barwing
  Actinodura morrisoniana Ogilvie-Grant, 1906 -- valid -- Taiwan Barwing
  Actinodura nipalensis (Hodgson, 1836) -- valid -- Hoary-throated Barwing
  Actinodura ramsayi Walden, 1875 -- valid -- Spectacled Barwing
  Actinodura souliei Oustalet, 1897 -- valid -- Streaked Barwing
  Actinodura waldeni Godwin-Austen, 1874 -- valid -- Streak-throated Barwing
  Actitis Illiger, 1811 -- valid -- Spotted Sandpipers
  Actitis hypoleucos (Linnaeus, 1758) -- valid -- Common Sandpiper, Chevalier guignette, Andarríos chico, maçarico-das-rochas, maçarico-ribeirinho
  Actitis macularia (Linnaeus, 1766) -- invalid -- Playero alzacolita, Spotted Sandpiper, chevalier grivelé
  Actophilornis Oberholser, 1925 -- valid
  Actophilornis africanus (J. F. Gmelin, 1789) -- valid -- African Jacana, Jacana à poitrine dorée, Jacana africana, jaçanã-africana
  Actophilornis albinucha (I. Geoffroy Saint-Hilaire, 1832) -- valid -- Madagascar Jacana, Jacana malgache, Jacana malgache, jaçanã-malgaxe
  Adelomyia Bonaparte, 1854 -- valid
  Adelomyia melanogenys (Fraser, 1840) -- valid -- Speckled Hummingbird
  Aechmophorus Coues, 1862 -- valid
  Aechmophorus clarkii (Lawrence, 1858) -- valid -- Achichilique pico naranja, Clark's Grebe, Grèbe à face blanche
  Aechmophorus occidentalis (Lawrence, 1858) -- valid -- Achichilique pico amarillo, Grèbe élégant, Western Grebe
  Aegithalidae -- valid -- Bushtits
  Aegithalos Hermann, 1804 -- valid
  Aegithalos caudatus (Linnaeus, 1758) -- valid -- Long-tailed Bushtit
  Aegithalos concinnus (Gould, 1855) -- valid -- Black-throated Bushtit
  Aegithalos fuliginosus (J. Verreaux, 1869) -- valid -- Sooty Bushtit
  Aegithalos iouschistos (Blyth, 1845) -- valid -- Rufous-fronted Bushtit
  Aegithalos leucogenys (Moore, 1854) -- valid -- White-cheeked Bushtit
  Aegithalos niveogularis (Gould, 1855) -- valid -- White-throated Bushtit
  Aegithina Vieillot, 1816 -- valid
  Aegithina lafresnayei (Hartlaub, 1844) -- valid -- Great Iora
  Aegithina nigrolutea (G. F. L. Marshall, 1876) -- valid -- Marshall's Iora
  Aegithina tiphia (Linnaeus, 1758) -- valid -- Common Iora
  Aegithina viridissima (Bonaparte, 1850) -- valid -- Green Iora
  Aegolius Kaup, 1829 -- valid -- Saw-whet Owls
  Aegolius acadicus (J. F. Gmelin, 1788) -- valid -- Tecolote afilador, Northern Saw-whet Owl, petite nyctale
  Aegolius funereus (Linnaeus, 1758) -- valid -- Boreal Owl, nyctale de Tengmalm
  Aegolius harrisii (Cassin, 1849) -- valid -- Buff-fronted Owl
  Aegotheles Vigors & Horsfield, 1827 -- valid
  Aegotheles albertisi P. L. Sclater, 1874 -- valid -- Mountain Owlet-Nightjar
  Aegotheles archboldi Rand, 1941 -- invalid -- Archbold's Owlet-Nightjar
  Aegotheles bennettii Salvadori & D'Albertis, 1875 -- valid -- Barred Owlet-Nightjar
  Aegotheles crinifrons (Bonaparte, 1850) -- valid -- Moluccan Owlet-nightjar
  Aegotheles cristatus (Shaw, 1790) -- valid -- Australian Owlet-Nightjar
  Aegotheles insignis Salvadori, 1876 -- valid -- Feline Owlet-nightjar
  Aegotheles savesi E. L. Layard & E. L. C. Layard, 1881 -- valid -- Enigmatic Owlet-Nightjar, New Caledonian Owlet-nightjar
  Aegotheles wallacii G. R. Gray, 1859 -- valid -- Wallace's Owlet-Nightjar
  Aegothelidae -- valid -- Owlet-nightjars
  Aegypius Savigny, 1809 -- valid
  Aegypius monachus (Linnaeus, 1766) -- valid -- Cinereous Vulture
  Aenigmatolimnas J. L. Peters, 1932 -- valid
  Aenigmatolimnas marginalis (Hartlaub, 1857) -- valid -- Striped Crake
  Aepypodius Oustalet, 1880 -- valid
  Aepypodius arfakianus (Salvadori, 1877) -- valid -- Talégalle des Arfak, Talégalo carunculado, peru-do-mato-de-barbela, Wattled Brush-turkey, Wattled Brushturkey
  Aepypodius bruijnii (Oustalet, 1880) -- valid -- Talégalle de Bruijn, Talégalo de la Waigeo, peru-do-mato-da-waigeo, Waigeo Brush-turkey, Brujin's Brush-turkey, Waigeo Brushturkey
  Aerodramus Oberholser, 1906 -- valid -- Edible-nest Swiftlets
  Aerodramus amelis (Oberholser, 1906) -- valid -- Ameline Swiftlet
  Aerodramus bartschi (Mearns, 1909) -- valid -- Mariana Swiftlet, Vanikoro
  Aerodramus brevirostris (Horsfield, 1840) -- valid -- Himalayan Swiftlet
  Aerodramus elaphrus (Oberholser, 1906) -- valid -- Seychelles Swiftlet
  Aerodramus francicus (J. F. Gmelin, 1789) -- valid -- Mascarene Swiftlet
  Aerodramus fuciphagus (Thunberg, 1812) -- valid -- Edible-nest Swiftlet
  Aerodramus germanus (Oustalet, 1876) -- invalid
  Aerodramus hirundinaceus (Stresemann, 1914) -- valid -- Mountain Swiftlet
  Aerodramus infuscatus (Salvadori, 1880) -- valid -- Moluccan Swiftlet, Halmahera Swiftlet
  Aerodramus inquietus (Kittlitz, 1858) -- valid -- Island Swiftlet
  Aerodramus leucophaeus (Peale, 1849) -- valid -- Tahiti Swiftlet
  Aerodramus maximus (Hume, 1878) -- valid -- Black-nest Swiftlet
  Aerodramus mearnsi (Oberholser, 1912) -- valid -- Philippine Swiftlet
  Aerodramus nuditarsus (Salomonsen, 1962) -- valid -- Bare-legged Swiftlet
  Aerodramus ocistus (Oberholser, 1906) -- valid -- Marquesan Swiftlet
  Aerodramus orientalis (Mayr, 1935) -- valid -- Mayr's Swiftlet
  Aerodramus palawanensis (Stresemann, 1914) -- invalid
  Aerodramus papuensis (Rand, 1941) -- valid -- Three-toed Swiftlet
  Aerodramus pelewensis (Mayr, 1935) -- valid -- Palau Swiftlet
  Aerodramus rogersi (Deignan, 1955) -- invalid
  Aerodramus salanganus (Streubel, 1848) -- invalid
  Aerodramus sawtelli (Holyoak, 1974) -- valid -- Atiu Swiftlet
  Aerodramus spodiopygius (Peale, 1849) -- valid -- White-rumped Swiftlet
  Aerodramus unicolor (Jerdon, 1840) -- valid -- Indian Swiftlet
  Aerodramus vanikorensis (Quoy & Gaimard, 1832) -- valid -- Gray Swiftlet, Uniform Swiftlet
  Aerodramus vulcanorum (Stresemann, 1926) -- valid -- Volcano Swiftlet
  Aerodramus whiteheadi (Ogilvie-Grant, 1895) -- valid -- Whitehead's Swiftlet
  Aeronautes Hartert, 1892 -- valid -- White-throated Swifts
  Aeronautes andecolus (d'Orbigny & Lafresnaye, 1837) -- valid -- Andean Swift
  Aeronautes montivagus (d'Orbigny & Lafresnaye, 1837) -- valid -- White-tipped Swift
  Aeronautes saxatalis (Woodhouse, 1853) -- valid -- White-throated Swift, Vencejo pecho blanco
  Aethia Merrem, 1788 -- valid -- Least Auklets
  Aethia cristatella (Pallas, 1769) -- valid -- Crested Auklet, Alcuela crestada, Starique cristatelle, Mérgulo empenachado, torda-de-penacho
  Aethia psittacula (Pallas, 1769) -- valid -- Starique perroquet, Parakeet Auklet, Mérgulo lorito, torda-papagaio
  Aethia pusilla (Pallas, 1811) -- valid -- Least Auklet, Starique minuscule, Mérgulo mínimo, mérgulo-anão
  Aethia pygmaea (J. F. Gmelin, 1789) -- valid -- Whiskered Auklet, Starique pygmée, Mérgulo bigotudo, mérgulo-de-bigode
  Aethopyga Cabanis, 1850 -- valid
  Aethopyga boltoni Mearns, 1905 -- valid -- Apo Sunbird
  Aethopyga christinae Swinhoe, 1869 -- valid -- Fork-tailed Sunbird
  Aethopyga duyvenbodei (Schlegel, 1871) -- valid -- Elegant Sunbird
  Aethopyga eximia (Horsfield, 1821) -- valid -- White-flanked Sunbird
  Aethopyga flagrans Oustalet, 1876 -- valid -- Flaming Sunbird
  Aethopyga gouldiae (Vigors, 1831) -- valid -- Mrs. Gould's Sunbird
  Aethopyga ignicauda (Hodgson, 1836) -- valid -- Fire-tailed Sunbird
  Aethopyga linaraborae Kennedy, Gonzales & Miranda, 1997 -- valid -- Lina's Sunbird
  Aethopyga mystacalis (Temminck, 1822) -- valid -- Javan Sunbird
  Aethopyga nipalensis (Hodgson, 1836) -- valid -- Green-tailed Sunbird
  Aethopyga primigenius (Hachisuka, 1941) -- invalid
  Aethopyga pulcherrima Sharpe, 1876 -- valid -- Metallic-winged Sunbird
  Aethopyga saturata (Hodgson, 1836) -- valid -- Black-throated Sunbird
  Aethopyga shelleyi Sharpe, 1876 -- valid -- Lovely Sunbird
  Aethopyga siparaja (Raffles, 1822) -- valid -- Crimson Sunbird
  Afropavo Chapin, 1936 -- valid
  Afropavo congensis Chapin, 1936 -- valid -- Paon du Congo, Pavo real del Congo, pavão-congolês, Congo Peafowl, Congo Peacock
  Agamia Reichenbach, 1853 -- valid
  Agamia agami (Gmelin, 1789) -- valid -- Garza agami, Agami Heron, Héron agami
  Agapornis Selby, 1836 -- valid -- Lovebirds
  Agapornis canus (J. F. Gmelin, 1788) -- valid -- Grey-headed Lovebird, Gray-headed Lovebird, Inséparable à tête grise, Inseparable malgache, inseparável-de-faces-cinzentas
  Agapornis fischeri Reichenow, 1887 -- valid -- Fischer's Lovebird, Inséparable de Fischer, Inseparable de Fischer, inseparável-de-fisher
  Agapornis lilianae Shelley, 1894 -- valid -- Lilian's Lovebird, Inséparable de Lilian, Inseparable del Nyasa, inseparável-de-niassa
  Agapornis nigrigenis W. L. Sclater, 1906 -- valid -- Black-cheeked Lovebird, Inséparable à joues noires, Inseparable cachetón, inseparável-de-faces-pretas
  Agapornis personatus Reichenow, 1887 -- valid -- Yellow-collared Lovebird, Inséparable masqué, Inseparable cabecinegro, inseparável-mascarado
  Agapornis pullarius (Linnaeus, 1758) -- valid -- Red-headed Lovebird, Inséparable à tête rouge, Inseparable carirrojo, inseparavel-de-cabeca-vermelha
  Agapornis roseicollis (Vieillot, 1818) -- valid -- Rosy-faced Lovebird, Inséparable rosegorge, Inseparable de Namibia, inseparável-de-faces-rosadas
  Agapornis swindernianus (Kuhl, 1820) -- valid -- Black-collared Lovebird, Inséparable à collier noir, Inseparable acollarado, inseparável-acollarado
  Agapornis taranta (Stanley, 1814) -- valid -- Black-winged Lovebird, Inséparable d'Abyssinie, Inseparable abisinio, inseparável-de-asa-preta
  Agelaius Vieillot, 1816 -- valid -- Red-winged Blackbirds
  Agelaius assimilis Lembeye, 1850 -- valid -- Red-shouldered Blackbird
  Agelaius cyanopus Vieillot, 1819 -- invalid
  Agelaius flavus (Gmelin, 1788) -- invalid
  Agelaius humeralis (Vigors, 1827) -- valid -- Tawny-shouldered Blackbird
  Agelaius icterocephalus (Linnaeus, 1766) -- invalid
  Agelaius phoeniceus (Linnaeus, 1766) -- valid -- Red-winged Blackbird, carouge à épaulettes, Tordo sargento
  Agelaius ruficapillus Vieillot, 1819 -- invalid
  Agelaius thilius (Molina, 1782) -- invalid
  Agelaius tricolor (Audubon, 1837) -- valid -- Tricolored Blackbird, Tordo tricolor
  Agelaius xanthomus (P. L. Sclater, 1862) -- valid -- Yellow-shouldered Blackbird
  Agelaius xanthophthalmus Short, 1969 -- invalid
  Agelastes Bonaparte, 1850 -- valid
  Agelastes meleagrides Bonaparte, 1850 -- valid -- Pintade à poitrine blanche, Pintada pechiblanca, pintada-de-peito-branco, White-breasted Guineafowl
  Agelastes niger (Cassin, 1857) -- valid -- Pintade noire, Pintada negra, pintada-preta, Black Guineafowl
  Aglaeactis Gould, 1848 -- valid
  Aglaeactis aliciae Salvin, 1896 -- valid -- Purple-backed Sunbeam
  Aglaeactis castelnaudii (Bourcier & Mulsant, 1848) -- valid -- White-tufted Sunbeam
  Aglaeactis cupripennis (Bourcier, 1843) -- valid -- Shining Sunbeam
  Aglaeactis pamela (d'Orbigny, 1838) -- valid -- Black-hooded Sunbeam
  Aglaiocercus J. T. Zimmer, 1930 -- valid
  Aglaiocercus coelestis (Gould, 1861) -- valid -- Violet-tailed Sylph
  Aglaiocercus kingi (R. Lesson, 1832) -- invalid
  Agriornis Gould, 1839 -- valid
  Agriornis andicola P. L. Sclater, 1860 -- valid
  Agriornis livida (Kittlitz, 1835) -- invalid
  Agriornis microptera Gould, 1839 -- invalid
  Agriornis montana (Orbigny & Lafresnaye, 1837) -- invalid
  Agriornis murina (Orbigny & Lafresnaye, 1837) -- invalid
  Ailuroedus Cabanis, 1851 -- valid
  Ailuroedus buccoides (Temminck, 1836) -- valid -- White-eared Catbird
  Ailuroedus crassirostris (Paykull, 1815) -- valid -- Green Catbird
  Ailuroedus dentirostris (E. P. Ramsay, 1876) -- invalid
  Ailuroedus melanotis (G. R. Gray, 1858) -- valid -- Spotted Catbird
  Aimophila Swainson, 1837 -- valid -- Aimophila Sparrows
  Aimophila aestivalis (M. H. K. Lichtenstein, 1823) -- invalid -- Bachman's Sparrow
  Aimophila botterii (P. L. Sclater, 1858) -- invalid -- Botteri's Sparrow, Zacatonero de Botteri
  Aimophila carpalis (Coues, 1873) -- invalid -- Rufous-winged Sparrow, Zacatonero ala rufa
  Aimophila cassinii (Woodhouse, 1852) -- invalid -- Cassin's Sparrow, Zacatonero de Cassin
  Aimophila humeralis (Cabanis, 1851) -- invalid -- Zacatonero pecho negro, Black-chested Sparrow
  Aimophila mystacalis (Hartlaub, 1852) -- invalid -- Zacatonero embridado, Bridled Sparrow
  Aimophila notosticta (P. L. Sclater & Salvin, 1868) -- valid -- Zacatonero oaxaqueño, Oaxaca Sparrow, Tohi d'Oaxaca, Chingolo oaxaqueño
  Aimophila quinquestriata (P. L. Sclater & Salvin, 1868) -- invalid -- Five-striped Sparrow
  Aimophila rufescens (Swainson, 1827) -- valid -- Zacatonero rojizo, Rusty Sparrow, Tohi roussâtre, Chingolo rojizo
  Aimophila ruficauda (Bonaparte, 1853) -- invalid -- Zacatonero corona rayada, Stripe-headed Sparrow
  Aimophila ruficeps (Cassin, 1852) -- valid -- Tohi à calotte fauve, Chingolo coronirrufo, Rufous-crowned Sparrow, Zacatonero corona rufa
  Aimophila stolzmanni (Taczanowski, 1877) -- invalid -- Tumbes Sparrow
  Aimophila strigiceps (Gould, 1839) -- invalid -- Stripe-capped Sparrow
  Aimophila sumichrasti (Lawrence, 1871) -- invalid -- Zacatonero istmeño, Cinnamon-tailed Sparrow
  Aix F. Boie, 1828 -- valid -- Wood Ducks
  Aix galericulata (Linnaeus, 1758) -- valid -- Mandarin Duck, Canard mandarin, Pato mandarín, pato-mandarim
  Aix sponsa (Linnaeus, 1758) -- valid -- Pato arcoiris, Wood Duck, Canard branchu, Pato joyuyo, pato-carolino
  Ajaia Reichenbach, 1853 -- invalid -- American Spoonbills
  Ajaia ajaja (Linnaeus, 1758) -- invalid -- Roseate Spoonbill, Espátula rosada
  Alaemon Keyserling & J. H. Blasius, 1840 -- valid
  Alaemon alaudipes (Desfontaines, 1789) -- valid -- Greater Hoopoe-Lark
  Alaemon hamertoni Witherby, 1905 -- valid -- Lesser Hoopoe-Lark
  Alauda Linnaeus, 1758 -- valid -- Skylarks
  Alauda arvensis Linnaeus, 1758 -- valid -- Eurasian Skylark, Sky Lark
  Alauda gulgula Franklin, 1831 -- valid -- Oriental Skylark
  Alauda japonica Temminck & Schlegel, 1848 -- invalid
  Alauda razae (Alexander, 1898) -- valid -- Raso Lark
  Alaudidae Vigors, 1825 -- valid -- Larks
  Alca Linnaeus, 1758 -- valid -- Razorbills
  Alca torda Linnaeus, 1758 -- valid -- Razorbill, Petit Pingouin, Alca común, torda-mergulheira
  Alcedinidae -- valid -- Kingfishers
  Alcedo Linnaeus, 1758 -- valid
  Alcedo argentata (Tweeddale, 1877) -- invalid -- Silvery Kingfisher
  Alcedo atthis (Linnaeus, 1758) -- valid -- Common Kingfisher, guarda-rios, Martín pescador común, Martin-pêcheur d'Europe
  Alcedo azurea Latham, 1801 -- invalid -- Azure Kingfisher
  Alcedo coerulescens Vieillot, 1818 -- valid -- Cerulean Kingfisher, Martín pescador azulado, Martin-pêcheur aigue-marine, Small Blue Kingfisher
  Alcedo cristata Pallas, 1764 -- invalid -- Malachite Kingfisher
  Alcedo cyanopecta (Lafresnaye, 1840) -- invalid
  Alcedo euryzona Temminck, 1830 -- valid -- Blue-banded Kingfisher, Martín pescador bandeado de Java, Martin-pêcheur à large bande, Javan Blue-banded Kingfisher
  Alcedo hercules Laubmann, 1917 -- valid -- Blyth's Kingfisher, Martín pescador hércules, Martin-pêcheur de Blyth
  Alcedo leucogaster (Fraser, 1843) -- invalid -- White-bellied Kingfisher
  Alcedo meninting Horsfield, 1821 -- valid -- Blue-eared Kingfisher, Martín pescador meninting, Martin-pêcheur méninting
  Alcedo nais Kaup, 1848 -- invalid
  Alcedo pusilla (Temminck, 1836) -- invalid -- Little Kingfisher
  Alcedo quadribrachys Bonaparte, 1850 -- valid -- Shining-blue Kingfisher, pica-peixe-azul, Martín pescador brillante, Martin-pêcheur azuré
  Alcedo semitorquata Swainson, 1823 -- valid -- Half-collared Kingfisher, pica-peixe-de-colar, Martín pescador cobalto, Martin-pêcheur à demi-collier
  Alcedo thomensis (Salvadori, 1902) -- invalid
  Alcedo vintsioides Eydoux & Gervais, 1836 -- invalid -- Malagasy Kingfisher
  Alcedo websteri (E. Hartert, 1898) -- invalid -- Bismarck Kingfisher
  Alcippe Blyth, 1844 -- valid
  Alcippe brunnea Gould, 1863 -- valid -- Dusky Fulvetta
  Alcippe brunneicauda (Salvadori, 1879) -- valid -- Brown Fulvetta
  Alcippe castaneceps (Hodgson, 1837) -- valid -- Rufous-winged Fulvetta
  Alcippe chrysotis (Blyth, 1845) -- invalid -- Golden-breasted Fulvetta
  Alcippe cinerea (Blyth, 1847) -- valid -- Yellow-throated Fulvetta
  Alcippe cinereiceps (J. Verreaux, 1870) -- invalid -- Streak-throated Fulvetta
  Alcippe dubia (Hume, 1874) -- valid -- Rusty-capped Fulvetta
  Alcippe ludlowi (Kinnear, 1935) -- invalid -- Brown-throated Fulvetta
  Alcippe morrisonia Swinhoe, 1863 -- valid -- Grey-cheeked Fulvetta
  Alcippe nipalensis (Hodgson, 1837) -- valid -- Nepal Fulvetta
  Alcippe peracensis Sharpe, 1887 -- valid -- Mountain Fulvetta
  Alcippe poioicephala (Jerdon, 1844) -- valid
  Alcippe pyrrhoptera (Bonaparte, 1850) -- valid -- Javan Fulvetta
  Alcippe ruficapilla (J. Verreaux, 1870) -- invalid -- Spectacled Fulvetta
  Alcippe rufogularis (Mandelli, 1873) -- valid -- Rufous-throated Fulvetta
  Alcippe striaticollis (J. Verreaux, 1870) -- invalid -- Chinese Fulvetta
  Alcippe variegaticeps Yen, 1932 -- valid -- Golden-fronted Fulvetta
  Alcippe vinipectus (Hodgson, 1837) -- invalid -- White-browed Fulvetta
  Aleadryas Iredale, 1956 -- valid
  Aleadryas rufinucha (P. L. Sclater, 1874) -- valid -- Rufous-naped Whistler
  Alectoris Kaup, 1829 -- valid -- Chukars
  Alectoris barbara (Bonnaterre, 1790) -- valid -- Perdrix gambra, Perdiz moruna, perdiz-mourisca, Barbary Partridge
  Alectoris chukar (J. E. Gray, 1830) -- valid -- Perdrix choukar, Perdiz chúcar, perdiz-chucar, Chukar, Perdiz chukar, Chukar Partridge
  Alectoris graeca (Meisner, 1804) -- valid -- Perdrix bartavelle, Perdiz griega, perdiz-grega, Rock Partridge
  Alectoris magna (Przewalski, 1876) -- valid -- Perdrix de Przewalski, Perdiz magna, perdiz-magna, Przevalski's Partridge
  Alectoris melanocephala (Rüppell, 1835) -- valid -- Perdrix à tête noire, Perdiz árabe, perdiz-árabe, Arabian Partridge
  Alectoris philbyi Lowe, 1934 -- valid -- Perdrix de Philby, Perdiz gorjinegra, perdiz-de-papo-preto, Philby's Partridge
  Alectoris rufa (Linnaeus, 1758) -- valid -- Perdrix rouge, Perdiz roja, perdiz-comum, Red-legged Partridge
  Alectroenas G. R. Gray, 1840 -- valid
  Alectroenas madagascariensis (Linnaeus, 1766) -- valid -- Madagascar Blue Pigeon, Madagascan Blue Pigeon
  Alectroenas nitidissima (Scopoli, 1786) -- invalid
  Alectroenas pulcherrima (Scopoli, 1786) -- invalid -- Seychelles Blue Pigeon
  Alectroenas sganzini (Bonaparte, 1854) -- valid -- Comoros Blue Pigeon
  Alectrurus Vieillot, 1816 -- valid
  Alectrurus risora (Vieillot, 1824) -- valid -- Strange-tailed Tyrant
  Alectrurus tricolor (Vieillot, 1816) -- valid -- Cock-tailed Tyrant
  Alectura Latham, 1824 -- valid
  Alectura lathami J. E. Gray, 1831 -- valid -- Talégalle de Latham, Talégalo cabecirrojo, peru-do-mato-australiano, Australian Brush-turkey, Australian Brushturkey
  Alethe Cassin, 1859 -- valid
  Alethe castanea (Cassin, 1856) -- valid
  Alethe choloensis W. L. Sclater, 1927 -- invalid -- Thyolo Alethe
  Alethe diademata (Bonaparte, 1850) -- valid -- Fire-crested Alethe
  Alethe fuelleborni Reichenow, 1900 -- invalid -- White-chested Alethe
  Alethe poliocephala (Bonaparte, 1850) -- invalid -- Brown-chested Alethe
  Alethe poliophrys Sharpe, 1902 -- invalid -- Red-throated Alethe
  Alisterus Mathews, 1911 -- valid
  Alisterus amboinensis (Linnaeus, 1766) -- valid -- Moluccan King Parrot, Moluccan King-parrot, Perruche tricolore, Papagayo moluqueño, periquito-rei-amboina
  Alisterus chloropterus (E. P. Ramsay, 1879) -- valid -- Papuan King Parrot, Papuan King-parrot, Perruche à ailes vertes, Papagayo papú, periquito-rei-de-asa-verde
  Alisterus scapularis (M. H. K. Lichtenstein, 1816) -- valid -- Australian King Parrot, Australian King-parrot, Perruche royale, Papagayo australiano, periquito-rei-australiano
  Alle Link, 1806 -- valid -- Dovekies
  Alle alle (Linnaeus, 1758) -- valid -- Dovekie, Little Auk, Mergule nain, Mérgulo atlántico, torda-miúda
  Alophoixus Oates, 1889 -- valid
  Alophoixus affinis (Hombron & Jacquinot, 1841) -- invalid
  Alophoixus bres (Lesson, 1831) -- valid
  Alophoixus finschii (Salvadori, 1871) -- valid
  Alophoixus flaveolus (Gould, 1836) -- valid
  Alophoixus ochraceus (Moore, 1854) -- valid
  Alophoixus pallidus (Swinhoe, 1870) -- valid
  Alophoixus phaeocephalus (Hartlaub, 1844) -- valid
  Alopochen Stejneger, 1885 -- valid
  Alopochen aegyptiacus (Linnaeus, 1766) -- invalid
  Amadina Swainson, 1827 -- valid
  Amadina erythrocephala (Linnaeus, 1758) -- valid -- Red-headed Finch
  Amadina fasciata (Gmelin, 1789) -- valid -- Cut-throat Finch
  Amalocichla De Vis, 1892 -- valid
  Amalocichla incerta (Salvadori, 1876) -- valid -- Lesser Ground Robin
  Amalocichla sclateriana De Vis, 1892 -- valid -- Greater Ground Robin
  Amandava Blyth, 1836 -- valid -- Avadavats
  Amandava amandava (Linnaeus, 1758) -- valid -- Red Avadavat
  Amandava formosa (Latham, 1790) -- valid -- Green Avadavat
  Amandava subflava (Vieillot, 1819) -- valid -- Orange-breasted Waxbill
  Amaurocichla Sharpe, 1892 -- valid
  Amaurocichla bocagii Sharpe, 1892 -- valid -- Sao Tome Shorttail
  Amaurolimnas Sharpe, 1893 -- valid
  Amaurolimnas concolor (Gosse, 1847) -- valid -- Rascón café, Uniform Crake
  Amaurornis Reichenbach, 1853 -- valid
  Amaurornis akool (Sykes, 1832) -- valid -- Brown Bush-hen
  Amaurornis bicolor (Walden, 1872) -- invalid
  Amaurornis flavirostra (Swainson, 1837) -- valid -- Black Crake
  Amaurornis isabellinus (Schlegel, 1865) -- invalid
  Amaurornis moluccanus (Wallace, 1865) -- invalid
  Amaurornis olivaceus (Meyen, 1834) -- invalid
  Amaurornis olivieri (G. Grandidier & Berlioz, 1929) -- valid -- Sakalava Rail
  Amaurornis phoenicurus (Pennant, 1769) -- valid -- White-breasted Waterhen
  Amaurospiza Cabanis, 1861 -- valid
  Amaurospiza concolor Cabanis, 1861 -- valid -- Blue Seedeater, Cabanis's Seedeater
  Amaurospiza moesta (Hartlaub, 1853) -- valid -- Blackish-blue Seedeater
  Amazilia R. Lesson, 1843 -- valid -- Amazilias
  Amazilia amabilis (Gould, 1853) -- invalid -- Blue-chested Hummingbird
  Amazilia amazilia (R. Lesson & Garnot, 1827) -- invalid -- Amazilia Hummingbird
  Amazilia beryllina (Deppe, 1830) -- invalid -- Berylline Hummingbird, Colibrí berilo
  Amazilia boucardi (Mulsant, 1877) -- valid -- Mangrove Hummingbird
  Amazilia candida (Bourcier & Mulsant, 1846) -- invalid -- Colibrí cándido, White-bellied Emerald
  Amazilia castaneiventris (Gould, 1856) -- invalid -- Chestnut-bellied Hummingbird
  Amazilia chionogaster (Tschudi, 1846) -- invalid -- White-bellied Hummingbird
  Amazilia chionopectus (Gould, 1859) -- invalid
  Amazilia cyanifrons (Bourcier, 1843) -- invalid -- Indigo-capped Hummingbird
  Amazilia cyanocephala (R. Lesson, 1830) -- invalid -- Colibrí corona azul, Azure-crowned Hummingbird
  Amazilia cyanura Gould, 1859 -- invalid -- Colibrí cola azul, Blue-tailed Hummingbird
  Amazilia decora (Salvin, 1891) -- invalid -- Charming Hummingbird
  Amazilia distans Wetmore & Phelps, 1956 -- invalid
  Amazilia edward (Delattre & Bourcier, 1846) -- invalid -- Snowy-bellied Hummingbird
  Amazilia fimbriata (J. F. Gmelin, 1788) -- invalid -- Glittering-throated Emerald
  Amazilia franciae (Bourcier & Mulsant, 1846) -- invalid -- Andean Emerald
  Amazilia lactea (R. Lesson, 1832) -- invalid -- Sapphire-spangled Emerald
  Amazilia leucogaster (J. F. Gmelin, 1788) -- invalid -- Plain-bellied Emerald
  Amazilia luciae (Lawrence, 1868) -- valid -- Honduran Emerald
  Amazilia rosenbergi (Boucard, 1895) -- invalid -- Purple-chested Hummingbird
  Amazilia rutila (Delattre, 1843) -- valid -- Colibrí canela, Cinnamon Hummingbird
  Amazilia saucerrottei (Delattre & Bourcier, 1846) -- invalid -- Steely-vented Hummingbird
  Amazilia tobaci (J. F. Gmelin, 1788) -- invalid -- Copper-rumped Hummingbird
  Amazilia tzacatl (de la Llave, 1833) -- valid -- Rufous-tailed Hummingbird, Colibrí cola rojiza
  Amazilia versicolor (Vieillot, 1818) -- invalid -- Versicolored Emerald
  Amazilia violiceps (Gould, 1859) -- invalid -- Violet-crowned Hummingbird, Colibrí corona violeta
  Amazilia viridicauda (von Berlepsch, 1883) -- invalid -- Green-and-white Hummingbird
  Amazilia viridifrons (D. G. Elliot, 1871) -- invalid -- Colibrí frente verde, Green-fronted Hummingbird
  Amazilia viridigaster (Bourcier, 1843) -- invalid -- Green-bellied Hummingbird
  Amazilia yucatanensis (S. Cabot, 1845) -- valid -- Buff-bellied Hummingbird, Colibrí yucateco
  Amazona R. Lesson, 1830 -- valid -- Amazon Parrots
  Amazona aestiva (Linnaeus, 1758) -- valid -- Turquoise-fronted Amazon, Turquoise-fronted Parrot, Amazone à front bleu, Amazona frentiazul, papagaio
  Amazona agilis (Linnaeus, 1758) -- valid -- Black-billed Amazon, Black-billed Parrot, Amazone verte, Amazona jamaicana piquioscura, papagaio-de-bico-preto
  Amazona albifrons (Sparrman, 1788) -- valid -- White-fronted Parrot, White-fronted Amazon, Loro frente blanca, Amazone à front blanc, Amazona frentialba, papagaio-de-testa-branca
  Amazona amazonica (Linnaeus, 1766) -- valid -- Orange-winged Amazon, Orange-winged Parrot, Amazone aourou, Amazona alinaranja, curica
  Amazona arausiaca (P. L. S. Müller, 1776) -- valid -- Red-necked Amazon, Red-necked Parrot, Amazone de Bouquet, Amazona gorjirroja, papagaio-de-colar-vermelho
  Amazona auropalliata (R. Lesson, 1842) -- valid -- Yellow-naped Amazon, Yellow-naped Parrot, Loro nuca amarilla, Amazone à nuque d'or, Amazona nuquigualda, papagaio-de-nuca-amarela
  Amazona autumnalis (Linnaeus, 1758) -- valid -- Red-lored Amazon, Red-lored Parrot, Loro cachete amarillo, Amazone à lores rouges, Amazona frentirroja, papagaio-diadema, papagaio-cavacué
  Amazona barbadensis (J. F. Gmelin, 1788) -- valid -- Yellow-shouldered Amazon, Yellow-shouldered Parrot, Amazone à épaulettes jaunes, Amazona de hombro gualda, papagaio-de-cabeça-branca
  Amazona brasiliensis (Linnaeus, 1758) -- valid -- Red-tailed Amazon, Red-tailed Parrot, Amazone à joues bleues, Amazona colirroja, papagaio-de-cara-roxa
  Amazona collaria (Linnaeus, 1758) -- valid -- Yellow-billed Amazon, Yellow-billed Parrot, Amazone sasabé, Amazona jamaicana piquiclara, papagaio-da-jamaica
  Amazona dufresniana (Shaw, 1812) -- valid -- Blue-cheeked Amazon, Blue-cheeked Parrot, Amazone de Dufresne, Amazona cariazul, papagaio-de-bochecha-azul
  Amazona farinosa (Boddaert, 1783) -- valid -- Mealy Amazon, Mealy Parrot, Loro corona azul, Amazone poudrée, Amazona harinosa sureña, papagaio-moleiro, Southern Mealy Amazon
  Amazona festiva (Linnaeus, 1758) -- valid -- Festive Amazon, Festive Parrot, Southern Festive Amazon, Amazone tavoua, Amazona festiva sureña, papagaio-da-várzea
  Amazona finschi (P. L. Sclater, 1864) -- valid -- Lilac-crowned Amazon, Lilac-crowned Parrot, Loro corona lila, Amazone à couronne lilas, Amazona guayabera, papagaio-de-finsch
  Amazona guildingii (Vigors, 1837) -- valid -- St. Vincent Amazon, St. Vincent Parrot, St Vincent Amazon, Amazone de Saint-Vincent, Amazona de San Vicente, papagaio-de-são-vicente
  Amazona imperialis Richmond, 1899 -- valid -- Imperial Amazon, Imperial Parrot, Amazone impériale, Amazona imperial, papagaio-imperial
  Amazona kawalli Grantsau & Camargo, 1989 -- valid -- White-cheeked Amazon, Kawall's Amazon, Kawall's Parrot, White-faced Amazon, Amazone de Kawall, Amazona de Kawall, papagaio-dos-garbes
  Amazona leucocephala (Linnaeus, 1758) -- valid -- Cuban Amazon, Bahaman Parrot, Cuban Parrot, Amazone de Cuba, Amazona cubana, papagaio-de-cuba
  Amazona mercenaria (Tschudi, 1844) -- invalid -- Scaly-naped Amazon
  Amazona ochrocephala (J. F. Gmelin, 1788) -- valid -- Yellow-crowned Amazon, Yellow-crowned Parrot, Amazone à front jaune, Amazona real, papagaio-campeiro
  Amazona oratrix Ridgway, 1887 -- valid -- Yellow-headed Parrot, Yellow-headed Amazon, Loro cabeza amarilla, Amazone à tête jaune, Amazona cabecigualda, papagaio-de-cabeça-amarela
  Amazona pretrei (Temminck, 1830) -- valid -- Red-spectacled Amazon, Red-spectacled Parrot
  Amazona rhodocorytha (Salvadori, 1890) -- valid -- Red-browed Amazon, Red-browed Parrot, Amazone à sourcils rouges, Amazona coronirroja, chauá
  Amazona tucumana (Cabanis, 1885) -- valid -- Tucuman Amazon, Tucuman Parrot, Amazone de Tucuman, Amazona tucumana, papagaio-tucuma
  Amazona ventralis (P. L. S. Müller, 1776) -- valid -- Hispaniolan Amazon, Hispaniolan Parrot, Amazone d'Hispaniola, Amazona de La Española, papagaio-de-hispaniola
  Amazona versicolor (P. L. S. Müller, 1776) -- valid -- St. Lucia Amazon, St. Lucia Parrot, St Lucia Amazon, Amazone de Sainte-Lucie, Amazona de Santa Lucía, papagaio-de-santa-lúcia
  Amazona vinacea (Kuhl, 1820) -- valid -- Vinaceous-breasted Amazon, Vinaceous-breasted Parrot, Amazone vineuse, Amazona vinosa, papagaio-de-peito-roxo
  Amazona viridigenalis (Cassin, 1853) -- valid -- Red-crowned Amazon, Red-crowned Parrot, Loro tamaulipeco, Amazone à joues vertes, Amazona tamaulipeca, papagaio-de-coroa-vermelha, papagaio-de-face-verde
  Amazona vittata (Boddaert, 1783) -- valid -- Puerto Rican Amazon, Puerto Rican Parrot, Amazone de Porto Rico, Amazona puertorriqueña, papagaio-de-porto-rico?
  Amazona xantholora (G. R. Gray, 1859) -- valid -- Yucatan Amazon, Yellow-lored Parrot, Loro yucateco, Yellow-lored Amazon, Amazone du Yucatan, Amazona yucateca, papagaio-de-iucatã
  Amazona xanthops (von Spix, 1824) -- invalid -- Yellow-faced Amazon
  Amazonetta Boetticher, 1929 -- valid
  Amazonetta brasiliensis (J. F. Gmelin, 1789) -- valid -- Brazilian Teal, Canard amazonette, Pato brasileño, ananaí
  Amblycercus Cabanis, 1851 -- valid
  Amblycercus holosericeus (Deppe, 1830) -- valid -- Cacique pico claro, Yellow-billed Cacique
  Amblyornis Elliot, 1872 -- valid
  Amblyornis flavifrons Rothschild, 1895 -- valid -- Golden-fronted Bowerbird
  Amblyornis inornatus (Schlegel, 1871) -- invalid
  Amblyornis macgregoriae De Vis, 1890 -- valid -- MacGregor's Bowerbird
  Amblyornis subalaris Sharpe, 1884 -- valid -- Streaked Bowerbird
  Amblyospiza Sundevall, 1850 -- valid
  Amblyospiza albifrons (Vigors, 1831) -- valid -- Thick-billed Weaver
  Amblyramphus Leach, 1814 -- valid
  Amblyramphus holosericeus (Scopoli, 1786) -- valid -- Scarlet-headed Blackbird
  Ammodramus Swainson, 1827 -- valid -- Grassland Sparrows
  Ammodramus aurifrons (Spix, 1825) -- valid -- Yellow-browed Sparrow, Bruant à front d'or, Chingolo cejigualdo, cigarrinha-do-campo
  Ammodramus bairdii (Audubon, 1844) -- invalid -- Baird's Sparrow, Gorrión de Baird
  Ammodramus caudacutus (J. F. Gmelin, 1788) -- invalid -- Saltmarsh Sharp-tailed Sparrow, Gorrión cola aguda, Saltmarsh Sparrow
  Ammodramus henslowii (Audubon, 1829) -- invalid -- Henslow's Sparrow, bruant de Henslow
  Ammodramus humeralis (Bosc, 1792) -- valid -- Grassland Sparrow, Bruant des savanes, Chingolo pajonalero, tico-tico-do-campo
  Ammodramus leconteii (Audubon, 1844) -- invalid -- Bruant de LeConte, Gorrión de Le Conte, Le Conte's Sparrow
  Ammodramus maritimus (A. Wilson, 1811) -- invalid -- Seaside Sparrow, Gorrión costero
  Ammodramus maritimus juncicola (Griscom & Nichols, 1920) -- invalid
  Ammodramus maritimus junicola (Griscom & Nichols, 1920) -- invalid
  Ammodramus nelsoni J. A. Allen, 1875 -- invalid -- Nelson's Sharp-tailed Sparrow, bruant de Nelson, Nelson's Sparrow
  Ammodramus savannarum (J. F. Gmelin, 1789) -- valid -- Chingolo saltamontes, escrevedeira-dos-gafanhotos, Grasshopper Sparrow, bruant sauterelle, Gorrión chapulín
  Ammomanes Cabanis, 1851 -- valid
  Ammomanes cincturus (Gould, 1839) -- invalid
  Ammomanes deserti (Lichtenstein, 1823) -- valid -- Desert Lark
  Ammomanes grayi (Wahlberg, 1855) -- invalid -- Gray's Lark
  Ammomanes phoenicurus (Franklin, 1831) -- invalid
  Ammoperdix Gould, 1851 -- valid
  Ammoperdix griseogularis (J. F. Brandt, 1843) -- valid -- Perdrix si-si, Perdiz gorjigrís, perdiz-assobiadeira, See-see Partridge
  Ammoperdix heyi (Temminck, 1825) -- valid -- Perdrix de Hey, Perdiz desértica, perdiz-do-deserto, Sand Partridge
  Ampeliceps Blyth, 1842 -- valid
  Ampeliceps coronatus Blyth, 1842 -- valid -- Golden-crested Myna
  Ampelioides J. Verreaux, 1867 -- valid
  Ampelioides tschudii (G. R. Gray, 1846) -- valid -- Scaled Fruiteater
  Ampelion Tschudi, 1845 -- valid
  Ampelion rubrocristata (Orbigny & Lafresnaye, 1837) -- invalid
  Ampelion rufaxilla (Tschudi, 1844) -- valid -- Chestnut-crested Cotinga
  Amphilais S. A. Parker, 1984 -- valid
  Amphilais seebohmi (Sharpe, 1879) -- valid -- Grey Emutail
  Amphispiza Coues, 1874 -- valid -- Desert Sparrows
  Amphispiza belli (Cassin, 1850) -- invalid -- Sage Sparrow, Zacatonero de artemisa
  Amphispiza bilineata (Cassin, 1850) -- valid -- Bruant à gorge noire, Chingolo gorjinegro, escrevedeira-de-garganta-preta, Zacatonero garganta negra, Black-throated Sparrow
  Amytornis Stejneger, 1885 -- valid
  Amytornis barbatus Favaloro & McEvey, 1968 -- valid -- Grey Grasswren
  Amytornis dorotheae (Mathews, 1914) -- valid -- Carpentarian Grasswren
  Amytornis goyderi (Gould, 1875) -- valid -- Eyrean Grasswren
  Amytornis housei (Milligan, 1902) -- valid -- Black Grasswren
  Amytornis purnelli (Mathews, 1914) -- valid -- Dusky Grasswren
  Amytornis textilis (Dumont, 1824) -- valid -- Thick-billed Grasswren
  Amytornis woodwardi Hartert, 1905 -- valid -- White-throated Grasswren
  Anabacerthia Lafresnaye, 1841 -- valid
  Anabacerthia striaticollis Lafresnaye, 1841 -- valid -- Montane Foliage-gleaner
  Anabacerthia variegaticeps (P. L. Sclater, 1857) -- valid -- Scaly-throated Foliage-gleaner, Breñero cejudo
  Anabazenops Lafresnaye, 1841 -- valid
  Anabazenops fuscus (Vieillot, 1816) -- valid -- White-collared Foliage-gleaner
  Anairetes Reichenbach, 1850 -- valid
  Anairetes alpinus (Carriker, 1933) -- valid -- Ash-breasted Tit-Tyrant
  Anairetes fernandezianus (Philippi, 1857) -- valid -- Juan Fernandez Tit-Tyrant
  Anairetes flavirostris P. L. Sclater & Salvin, 1876 -- valid -- Yellow-billed Tit-Tyrant
  Anairetes nigrocristatus Taczanowski, 1884 -- valid -- Black-crested Tit-Tyrant
  Anairetes parulus (Kittlitz, 1830) -- valid -- Tufted Tit-Tyrant
  Anairetes reguloides (Orbigny & Lafresnaye, 1837) -- valid -- Pied-crested Tit-Tyrant
  Anaplectes Reichenbach, 1863 -- valid
  Anaplectes rubriceps (Sundevall, 1850) -- valid
  Anarhynchus Quoy & Gaimard, 1832 -- valid
  Anarhynchus frontalis Quoy & Gaimard, 1832 -- valid -- Wrybill, Pluvier anarhynque, Chorlitejo piquituerto, batuíra-de-bico-torto
  Anas Linnaeus, 1758 -- valid -- Dabbling Ducks
  Anas acuta Linnaeus, 1758 -- valid -- Pato golondrino, Northern Pintail, Canard pilet, Ánade rabudo norteño, arrabio
  Anas americana J. F. Gmelin, 1789 -- invalid -- Pato chalcuán, American Wigeon, canard d'Amérique
  Anas aucklandica (G. R. Gray, 1844) -- valid -- Brown Teal, Auckland Teal, Sarcelle des Auckland, Cerceta de las Auckland, marreca-marrom, New Zealand Teal, Auckland Islands Teal
  Anas bahamensis Linnaeus, 1758 -- valid -- White-cheeked Pintail, Canard des Bahamas, Ánade gargantillo, marreca-toicinho
  Anas bernieri (Hartlaub, 1860) -- valid -- Bernier's Teal, Sarcelle de Bernier, Cerceta malgache, marreca-malgaxe, Madagascar Teal
  Anas capensis J. F. Gmelin, 1789 -- valid -- Cape Teal, Canard du Cap, Cerceta de El Cabo, marrequinha-de-bico-vermelho
  Anas castanea (Eyton, 1838) -- valid -- Chestnut Teal, Sarcelle rousse, Cerceta castaña, marreca-castanha, Chestnut-breasted Teal
  Anas clypeata Linnaeus, 1758 -- invalid -- Pato cucharón-norteño, Northern Shoveler, canard souchet
  Anas crecca Linnaeus, 1758 -- valid -- Eurasian Teal, Cerceta ala verde, Green-winged Teal, Sarcelle d'hiver, Cerceta común, marrequinha, Common Teal
  Anas cyanoptera Vieillot, 1816 -- invalid -- Cerceta canela, Cinnamon Teal, sarcelle cannelle
  Anas discors Linnaeus, 1766 -- invalid -- Cerceta ala azul, Blue-winged Teal, sarcelle à ailes bleues
  Anas drygalskii Reichenow, 1904 -- invalid
  Anas eatoni (Sharpe, 1875) -- valid -- Eaton's Pintail, Canard d'Eaton, Ánade rabudo meridional, marreca-de-eaton, Kerguelen Pintail
  Anas erythrorhyncha J. F. Gmelin, 1789 -- valid -- Red-billed Teal, Canard à bec rouge, Ánade piquirrojo, arrábio-de-bico-vermelho, Red-billed Duck
  Anas falcata Georgi, 1775 -- invalid -- Falcated Duck, Falcated Teal
  Anas flavirostris Vieillot, 1816 -- valid -- Speckled Teal, Yellow-billed Teal, Sarcelle tachetée, Cerceta barcina, marreca-pardinha
  Anas formosa Georgi, 1775 -- invalid -- Baikal Teal
  Anas fulvigula Ridgway, 1874 -- valid -- Mottled Duck, Pato tejano, Canard brun, Ánade moteado, pato-da-flórida
  Anas georgica J. F. Gmelin, 1789 -- valid -- Yellow-billed Pintail, Canard à queue pointue, Ánade maicero, marreca-parda
  Anas gibberifrons S. Müller, 1842 -- valid -- Sunda Teal, Sarcelle grise, Cerceta de la Sonda, marreca-da-sunda, Grey Teal
  Anas gracilis Buller, 1869 -- valid -- Grey Teal, Sarcelle australasienne, Cerceta gris, marreca-cinzenta, Gray Teal
  Anas hottentota (Eyton, 1838) -- invalid -- Blue-billed Teal
  Anas laysanensis Rothschild, 1892 -- valid -- Laysan Duck, Canard de Laysan, Ánade de Laysán, pato-de-laysan
  Anas luzonica Fraser, 1839 -- valid -- Philippine Duck, Canard des Philippines, Ánade filipino, pato-filipino
  Anas melleri P. L. Sclater, 1865 -- valid -- Meller's Duck, Canard de Meller, Ánade malgache, pato-de-meller
  Anas penelope Linnaeus, 1758 -- invalid -- Pato silbón, Eurasian Wigeon, canard siffleur
  Anas platalea Vieillot, 1816 -- invalid -- Red Shoveler
  Anas platyrhynchos Linnaeus, 1758 -- valid -- Pato de collar, Mallard, Canard colvert, Ánade azulón, pato-real
  Anas poecilorhyncha J. R. Forster, 1781 -- valid -- Indian Spot-billed Duck, Spot-billed Duck, Canard à bec tacheté, Ánade picopinto indio, pato-de-bico-pintado
  Anas puna Tschudi, 1844 -- invalid -- Puna Teal
  Anas querquedula Linnaeus, 1758 -- invalid -- Cerceta ceja blanca, Garganey, sarcelle d'été
  Anas rhynchotis Latham, 1801 -- invalid -- Australasian Shoveler
  Anas rubripes Brewster, 1902 -- valid -- American Black Duck, Canard noir, Ánade sombrío, pato-escuro-americano
  Anas sibilatrix Poeppig, 1829 -- invalid -- Chiloe Wigeon
  Anas smithii (E. Hartert, 1891) -- invalid -- Cape Shoveler
  Anas sparsa Eyton, 1838 -- valid -- African Black Duck, Canard noirâtre, Ánade negro, pato-preto-africano
  Anas specularioides P. P. King, 1828 -- invalid
  Anas specularis P. P. King, 1828 -- invalid
  Anas strepera Linnaeus, 1758 -- invalid -- Pato friso, Gadwall, canard chipeau
  Anas superciliosa J. F. Gmelin, 1789 -- valid -- Pacific Black Duck, Gray Duck, Canard à sourcils, Ánade cejudo, pato-de-sobrancelhas
  Anas undulata C. F. Dubois, 1838 -- valid -- Yellow-billed Duck, Canard à bec jaune, Ánade picolimón, pato-de-bico-amarelo
  Anas versicolor Vieillot, 1816 -- invalid -- Silver Teal
  Anas wyvilliana P. L. Sclater, 1878 -- valid -- Koloa piwai, Koloa-maoli, Koloa maoli, Hawaiian Duck, Koloa, Canard des Hawaï, Ánade hawaiano, pato-havaiano
  Anastomus Bonnaterre, 1791 -- valid
  Anastomus lamelligerus Temminck, 1823 -- valid -- African Openbill
  Anastomus oscitans (Boddaert, 1783) -- valid -- Asian Openbill
  Anatidae Leach, 1820 -- valid -- Ducks, Geese, Swans, canards, cygnes, oies
  Ancistrops P. L. Sclater, 1862 -- valid
  Ancistrops strigilatus (Spix, 1825) -- valid -- Chestnut-winged Hookbill
  Andigena Gould, 1851 -- valid
  Andigena cucullata (Gould, 1846) -- valid -- Hooded Mountain Toucan
  Andigena hypoglauca (Gould, 1833) -- valid -- Grey-breasted Mountain Toucan
  Andigena laminirostris Gould, 1851 -- valid -- Plate-billed Mountain Toucan
  Andigena nigrirostris (Waterhouse, 1839) -- valid -- Black-billed Mountain Toucan
  Androdon Gould, 1863 -- valid
  Androdon aequatorialis Gould, 1863 -- valid -- Tooth-billed Hummingbird
  Andropadus Swainson, 1832 -- valid
  Andropadus ansorgei Hartert, 1907 -- invalid -- Ansorge's Greenbul
  Andropadus chlorigula (Reichenow, 1899) -- invalid -- Yellow-throated Greenbul
  Andropadus curvirostris Cassin, 1859 -- invalid -- Plain Greenbul
  Andropadus gracilirostris Strickland, 1844 -- invalid -- Slender-billed Greenbul
  Andropadus gracilis Cabanis, 1880 -- invalid -- Little Grey Greenbul
  Andropadus hallae Prigogine, 1972 -- invalid -- Hall's Greenbul
  Andropadus importunus (Vieillot, 1818) -- valid -- Sombre Greenbul
  Andropadus kakamegae (Sharpe, 1900) -- invalid -- Kakamega Greenbul
  Andropadus latirostris Strickland, 1844 -- invalid -- Yellow-whiskered Greenbul
  Andropadus masukuensis Shelley, 1897 -- invalid -- Shelley's Greenbul
  Andropadus milanjensis (Shelley, 1894) -- invalid -- Stripe-cheeked Greenbul
  Andropadus montanus Reichenow, 1892 -- invalid -- Cameroon Greenbul, Cameroon Montane Greenbul
  Andropadus nigriceps (Shelley, 1889) -- invalid -- Mountain Greenbul
  Andropadus olivaceiceps (Shelley, 1896) -- invalid -- Olive-headed Greenbul
  Andropadus tephrolaemus (G. R. Gray, 1862) -- invalid -- Western Greenbul, Grey-throated Greenbul
  Andropadus virens Cassin, 1857 -- invalid -- Little Greenbul
  Androphobus Hartert & Paludan, 1934 -- valid
  Androphobus viridis (Rothschild & Hartert, 1911) -- valid -- Papuan Whipbird
  Anhima Brisson, 1760 -- valid
  Anhima cornuta (Linnaeus, 1766) -- valid -- Horned Screamer, Kamichi cornu, Chajá añuma, anhuma
  Anhimidae -- valid -- Screamers
  Anhinga Brisson, 1760 -- valid -- Anhingas
  Anhinga anhinga (Linnaeus, 1766) -- valid -- Anhinga, Anhinga americana, Anhinga d'Amérique
  Anhinga melanogaster Pennant, 1769 -- valid -- Darter, Oriental Darter
  Anhinga novaehollandiae (Gould, 1847) -- valid -- Australasian Darter
  Anhinga rufa (Daudin, 1802) -- valid -- African Darter
  Anhingidae Reichenbach, 1849 -- valid -- Darters, Anhingas
  Anisognathus Reichenbach, 1850 -- valid
  Anisognathus igniventris (d'Orbigny & Lafresnaye, 1837) -- valid -- Scarlet-bellied Mountain Tanager, Tangara à ventre rouge, Tangara ventrinaranja, Fire-bellied Mountain-tanager
  Anisognathus lacrymosus (Du Bus de Gisignies, 1846) -- valid -- Lacrimose Mountain Tanager, Tangara larmoyant, Tangara lacrimosa, Lacrimose Mountain-tanager
  Anisognathus melanogenys (Salvin & Godman, 1880) -- valid -- Santa Marta Mountain Tanager, Tangara des Santa Marta, Tangara de Santa Marta, Santa Marta Mountain Finch, Black-cheeked Mountain Tanager, Santa Marta Mountain-tanager
  Anisognathus notabilis (P. L. Sclater, 1855) -- valid -- Black-chinned Mountain Tanager, Tangara à menton noir, Tangara barbinegra, Black-chinned Mountain-tanager
  Anisognathus somptuosus (R. Lesson, 1831) -- valid -- Blue-winged Mountain Tanager, Tangara somptueux, Tangara aliazul, Blue-winged Mountain-tanager
  Anodorhynchus von Spix, 1824 -- valid
  Anodorhynchus glaucus (Vieillot, 1816) -- valid -- Glaucous Macaw, Ara glauque, Guacamayo glauco, arara-azul-pequena
  Anodorhynchus hyacinthinus (Latham, 1790) -- valid -- Hyacinth Macaw, Ara hyacinthe, Guacamayo jacinto, arara-azul
  Anodorhynchus leari Bonaparte, 1856 -- valid -- Lear's Macaw, Indigo Macaw, Ara de Lear, Guacamayo de Lear, arara-azul-de-lear
  Anomalospiza Shelley, 1901 -- valid
  Anomalospiza imberbis (Cabanis, 1868) -- valid -- Cuckoo Weaver
  Anorrhinus Reichenbach, 1849 -- valid
  Anorrhinus galeritus (Temminck, 1831) -- valid -- Bushy-crested Hornbill, Cálao crestado, Calao largup
  Anorrhinus tickelli (Blyth, 1855) -- valid -- Brown Hornbill, Tickell's Brown Hornbill, Cálao pardo de Tickell, Calao brun, Rusty-cheeked Hornbill
  Anous Stephens, 1826 -- valid -- Noddys
  Anous minutus F. Boie, 1844 -- valid -- Black Noddy, Charrán-bobo negro, Noddi noir, Tiñosa menuda, trinta-réis-preto, tinhosa-de-barrete
  Anous stolidus (Linnaeus, 1758) -- valid -- Brown Noddy, Charrán-bobo café, Noddi brun, Tiñosa boba, trinta-réis-escuro, tinhosa
  Anous tenuirostris (Temminck, 1823) -- valid -- Lesser Noddy, Sooty Noddy, Noddi marianne, Tiñosa picofina, tinhosa-pequena
  Anser Brisson, 1760 -- valid -- Bean Geese
  Anser albifrons (Scopoli, 1769) -- valid -- Ganso careto-mayor, Greater White-fronted Goose, Oie rieuse, Ánsar careto, ganso-de-testa-branca
  Anser anser (Linnaeus, 1758) -- valid -- Greylag Goose, Oie cendrée, Ánsar común, ganso-bravo, Graylag Goose
  Anser brachyrhynchus Baillon, 1834 -- valid -- Pink-footed Goose, Oie à bec court, Ánsar piquicorto, ganso-de-bico-curto
  Anser cygnoides (Linnaeus, 1758) -- valid -- Swan Goose, Oie cygnoïde, Ánsar cisnal, ganso-cisne
  Anser erythropus (Linnaeus, 1758) -- valid -- Lesser White-fronted Goose, Oie naine, Ánsar chico, ganso-pequeno
  Anser fabalis (Latham, 1787) -- valid -- Bean Goose, Taiga Bean Goose, Oie des moissons, Ánsar campestre, ganso-campestre, Taiga Bean-Goose
  Anser indicus (Latham, 1790) -- valid -- Bar-headed Goose, Oie à tête barrée, Ánsar indio, ganso-de-cabeça-listada
  Anseranas R. Lesson, 1828 -- valid
  Anseranas semipalmata (Latham, 1798) -- valid -- Magpie-Goose, Magpie Goose, Canaroie semipalmée, Ganso urraca, ganso-alvinegro
  Anseranatidae -- valid -- Magpie Goose, Magpie-Goose
  Anseriformes -- valid -- Ducks, Geese, Screamers, Swans, Waterfowl, canards, cygnes, oies, sauvagine
  Anthocephala Cabanis & Heine, 1860 -- valid
  Anthocephala floriceps (Gould, 1853) -- valid -- Santa Marta Blossomcrown
  Anthochaera Vigors & Horsfield, 1827 -- valid
  Anthochaera carunculata (Shaw, 1790) -- valid -- Red Wattlebird, Méliphage barbe-rouge, Mielero carunculado
  Anthochaera chrysoptera (Latham, 1801) -- valid -- Little Wattlebird, Méliphage à gouttelettes, Mielero alirrufo
  Anthochaera lunulata Gould, 1838 -- valid -- Western Wattlebird, Méliphage mineur, Mielero lunulado
  Anthochaera paradoxa (Daudin, 1800) -- valid -- Yellow Wattlebird, Méliphage à pendeloques, Mielero ventriamarillo
  Anthornis G. R. Gray, 1840 -- valid
  Anthornis melanura (Sparrman, 1786) -- valid -- New Zealand Bellbird, Méliphage carillonneur, Mielero maorí, melifago-maori
  Anthoscopus Cabanis, 1850 -- valid
  Anthoscopus caroli (Sharpe, 1871) -- valid -- Grey Penduline Tit
  Anthoscopus flavifrons (Cassin, 1855) -- valid -- Forest Penduline Tit
  Anthoscopus minutus (Shaw, 1812) -- valid -- Cape Penduline Tit
  Anthoscopus musculus (Hartlaub, 1882) -- valid -- Mouse-colored Penduline Tit
  Anthoscopus parvulus (Heuglin, 1864) -- valid -- Yellow Penduline Tit
  Anthoscopus punctifrons (Sundevall, 1850) -- valid -- Sennar Penduline Tit
  Anthoscopus sylviella Reichenow, 1904 -- invalid
  Anthracoceros Reichenbach, 1849 -- valid
  Anthracoceros albirostris (Shaw, 1808) -- valid -- Oriental Pied Hornbill, calau-de-face-branca, Cálao cariblanco, Calao pie, Oriental Pied-Hornbill
  Anthracoceros coronatus (Boddaert, 1783) -- valid -- Malabar Pied Hornbill, Cálao coronado, Calao de Malabar, Malabar Pied-Hornbill
  Anthracoceros malayanus (Raffles, 1822) -- valid -- Black Hornbill, Cálao malayo, Calao charbonnier
  Anthracoceros marchei Oustalet, 1885 -- valid -- Palawan Hornbill, Cálao de Palawan, Calao de Palawan
  Anthracoceros montani (Oustalet, 1880) -- valid -- Sulu Hornbill, Cálao de las Sulu, Calao des Sulu
  Anthracothorax F. Boie, 1831 -- valid -- Mangos
  Anthracothorax dominicus (Linnaeus, 1766) -- valid -- Antillean Mango
  Anthracothorax mango (Linnaeus, 1758) -- valid -- Jamaican Mango
  Anthracothorax nigricollis (Vieillot, 1817) -- valid -- Black-throated Mango
  Anthracothorax prevostii (R. Lesson, 1832) -- valid -- Colibrí garganta negra, Green-breasted Mango
  Anthracothorax veraguensis Reichenbach, 1855 -- valid -- Veraguan Mango
  Anthracothorax viridigula (Boddaert, 1783) -- valid -- Green-throated Mango
  Anthracothorax viridis (Audebert & Vieillot, 1801) -- valid -- Green Mango
  Anthreptes Swainson, 1832 -- valid
  Anthreptes anchietae (Bocage, 1878) -- valid -- Anchieta's Sunbird
  Anthreptes aurantium J. Verreaux & E. Verreaux, 1851 -- invalid -- Violet-tailed Sunbird
  Anthreptes axillaris (Reichenow, 1893) -- invalid
  Anthreptes collaris (Vieillot, 1819) -- invalid
  Anthreptes fraseri Jardine & Selby, 1843 -- invalid
  Anthreptes gabonicus (Hartlaub, 1861) -- valid -- Mangrove Sunbird
  Anthreptes longuemarei (Lesson, 1831) -- valid -- Western Violet-backed Sunbird
  Anthreptes malacensis (Scopoli, 1786) -- valid -- Brown-throated Sunbird
  Anthreptes metallicus (Lichtenstein, 1823) -- invalid
  Anthreptes neglectus Neumann, 1922 -- valid -- Uluguru Violet-backed Sunbird
  Anthreptes orientalis Hartlaub, 1880 -- valid -- Eastern Violet-backed Sunbird
  Anthreptes pallidigaster W. L. Sclater & Moreau, 1935 -- invalid
  Anthreptes platurus (Vieillot, 1819) -- invalid
  Anthreptes rectirostris (Shaw, 1812) -- valid -- Grey-chinned Sunbird
  Anthreptes reichenowi Gunning, 1909 -- valid -- Plain-backed Sunbird
  Anthreptes rhodolaema Shelley, 1878 -- invalid
  Anthreptes rubritorques Reichenow, 1905 -- valid -- Banded Green Sunbird
  Anthreptes simplex (S. Muller, 1843) -- valid -- Plain Sunbird
  Anthreptes singalensis (Gmelin, 1789) -- invalid
  Anthropoides Vieillot, 1816 -- valid
  Anthropoides paradisea (A. A. H. Lichtenstein, 1793) -- invalid
  Anthropoides virgo (Linnaeus, 1758) -- valid -- Demoiselle Crane
  Anthus Bechstein, 1805 -- valid -- Pipits
  Anthus antarcticus Cabanis, 1884 -- valid -- South Georgia Pipit
  Anthus bannermani Bates, 1930 -- invalid
  Anthus berthelotii Bolle, 1862 -- valid -- Berthelot's Pipit
  Anthus bogotensis P. L. Sclater, 1855 -- valid -- Paramo Pipit
  Anthus brachyurus Sundevall, 1850 -- valid -- Short-tailed Pipit
  Anthus caffer Sundevall, 1850 -- valid -- Bushveld Pipit
  Anthus camaroonensis Shelley, 1900 -- invalid
  Anthus campestris (Linnaeus, 1758) -- valid -- Tawny Pipit
  Anthus cervinus (Pallas, 1811) -- valid -- Red-throated Pipit, Bisbita garganta roja
  Anthus chacoensis Zimmer, 1952 -- valid -- Campo Pipit
  Anthus chloris Lichtenstein, 1842 -- valid -- Yellow-breasted Pipit
  Anthus cinnamomeus Rüppell, 1840 -- valid -- African Pipit
  Anthus correndera Vieillot, 1818 -- valid -- Correndera Pipit
  Anthus crenatus Finsch & Hartlaub, 1870 -- valid -- African Rock Pipit
  Anthus furcatus Orbigny & Lafresnaye, 1837 -- valid -- Short-billed Pipit
  Anthus godlewskii (Taczanowski, 1876) -- valid -- Blyth's Pipit
  Anthus gustavi Swinhoe, 1863 -- valid -- Pechora Pipit
  Anthus gutturalis De Vis, 1894 -- valid -- Alpine Pipit
  Anthus hellmayri Hartert, 1909 -- valid -- Hellmayr's Pipit
  Anthus hodgsoni Richmond, 1907 -- valid -- Olive Tree-Pipit, Olive-backed Pipit
  Anthus hoeschi Stresemann, 1938 -- valid -- Mountain Pipit
  Anthus latistriatus Jackson, 1899 -- invalid -- Jackson's Pipit
  Anthus leucophrys Vieillot, 1818 -- valid -- Plain-backed Pipit
  Anthus lineiventris Sundevall, 1850 -- valid -- Striped Pipit
  Anthus longicaudatus Liversidge, 1996 -- valid -- Long-tailed Pipit
  Anthus lutescens Pucheran, 1855 -- valid -- Yellowish Pipit
  Anthus melindae Shelley, 1900 -- valid -- Malindi Pipit
  Anthus nattereri P. L. Sclater, 1878 -- valid -- Ochre-breasted Pipit
  Anthus nilghiriensis Sharpe, 1885 -- valid -- Nilgiri Pipit
  Anthus novaeseelandiae (Gmelin, 1789) -- valid -- New Zealand Pipit
  Anthus nyassae Neumann, 1906 -- valid -- Wood Pipit
  Anthus pallidiventris Sharpe, 1885 -- valid -- Long-legged Pipit
  Anthus petrosus (Montagu, 1798) -- valid -- Eurasian Rock Pipit
  Anthus pratensis (Linnaeus, 1758) -- valid -- Meadow Pipit
  Anthus richardi Vieillot, 1818 -- valid -- Richard's Pipit
  Anthus roseatus Blyth, 1847 -- valid -- Rosy Pipit
  Anthus rubescens (Tunstall, 1771) -- valid -- Bisbita de agua, Buff-bellied Pipit, American Pipit, pipit d'Amérique
  Anthus rufulus Vieillot, 1818 -- valid -- Paddyfield Pipit
  Anthus sharpei (Jackson, 1904) -- invalid
  Anthus similis (Jerdon, 1840) -- valid -- Long-billed Pipit
  Anthus sokokensis Someren, 1921 -- valid -- Sokoke Pipit
  Anthus spinoletta (Linnaeus, 1758) -- valid -- Water Pipit
  Anthus spragueii (Audubon, 1844) -- valid -- Sprague's Pipit, Bisbita llanera
  Anthus sylvanus (Blyth, 1845) -- invalid
  Anthus trivialis (Linnaeus, 1758) -- valid -- Brown Tree-Pipit, Tree Pipit
  Anthus vaalensis Shelley, 1900 -- valid -- Buffy Pipit
  Antilophia Reichenbach, 1850 -- valid
  Antilophia galeata (Lichtenstein, 1823) -- valid -- Helmeted Manakin
  Anumbius Orbigny & Lafresnaye, 1838 -- valid
  Anumbius annumbi (Vieillot, 1817) -- valid -- Firewood-gatherer
  Anurolimnas Sharpe, 1893 -- valid
  Anurolimnas castaneiceps (P. L. Sclater & Salvin, 1869) -- valid -- Chestnut-headed Crake
  Anurolimnas fasciatus (P. L. Sclater & Salvin, 1868) -- valid
  Anurolimnas viridis (Statius Muller, 1776) -- valid
  Anurophasis van Oort, 1910 -- invalid
  Anurophasis monorthonyx van Oort, 1910 -- invalid -- Caille de montagne, Codorniz papúa, codorna-grande, Snow Mountain Quail, Snow Mountains Quail
  Apalis Swainson, 1833 -- valid
  Apalis alticola (Shelley, 1899) -- valid -- Brown-headed Apalis
  Apalis argentea Moreau, 1941 -- valid -- Kungwe Apalis
  Apalis bamendae Bannerman, 1922 -- valid -- Bamenda Apalis
  Apalis binotata Reichenow, 1895 -- valid -- Lowland Masked Apalis
  Apalis chapini Friedmann, 1928 -- valid -- Chapin's Apalis
  Apalis chariessa Reichenow, 1879 -- valid -- White-winged Apalis
  Apalis chirindensis Shelley, 1906 -- valid -- Chirinda Apalis
  Apalis cinerea (Sharpe, 1891) -- valid -- Grey Apalis
  Apalis flavida (Strickland, 1853) -- valid -- Yellow-breasted Apalis
  Apalis goslingi Alexander, 1908 -- valid -- Gosling's Apalis
  Apalis jacksoni Sharpe, 1891 -- valid -- Black-throated Apalis
  Apalis kaboboensis Prigogine, 1955 -- valid -- Kabobo Apalis
  Apalis karamojae (Someren, 1921) -- valid -- Karamoja Apalis
  Apalis melanocephala (Fischer & Reichenow, 1884) -- valid -- Black-headed Apalis
  Apalis nigriceps (Shelley, 1873) -- valid -- Black-capped Apalis
  Apalis personata Sharpe, 1902 -- valid -- Mountain Masked Apalis
  Apalis porphyrolaema Reichenow & Neumann, 1895 -- valid -- Chestnut-throated Apalis
  Apalis pulchra Sharpe, 1891 -- invalid -- Black-collared Apalis
  Apalis ruddi Grant, 1908 -- valid -- Rudd's Apalis
  Apalis rufifrons (Rüppell, 1840) -- invalid
  Apalis rufogularis (Fraser, 1843) -- valid -- Buff-throated Apalis
  Apalis ruwenzorii Jackson, 1904 -- invalid -- Ruwenzori Apalis
  Apalis sharpii Shelley, 1884 -- valid
  Apalis thoracica (Shaw, 1811) -- valid -- Bar-throated Apalis
  Apalis viridiceps Hawker, 1898 -- invalid
  Apaloderma Swainson, 1833 -- valid
  Apaloderma aequatoriale Sharpe, 1901 -- valid -- Bare-cheeked Trogon, Trogón carigualdo, Trogon à joues jaunes
  Apaloderma narina (Stephens, 1815) -- valid -- Narina's Trogon, Narina Trogon, republicano, Trogón de Narina, Trogon narina
  Apaloderma vittatum Shelley, 1882 -- valid -- Bar-tailed Trogon, republicano-de-cauda-barrada, Trogón montano, Trogon à queue barrée
  Apalopteron Bonaparte, 1854 -- valid
  Apalopteron familiare (Kittlitz, 1830) -- valid -- Bonin White-eye
  Aphanotriccus Ridgway, 1905 -- valid
  Aphanotriccus audax (Nelson, 1912) -- valid -- Black-billed Flycatcher
  Aphanotriccus capitalis (Salvin, 1865) -- valid -- Tawny-chested Flycatcher
  Aphantochroa Gould, 1853 -- invalid
  Aphantochroa cirrochloris (Vieillot, 1818) -- invalid -- Sombre Hummingbird
  Aphelocephala Oberholser, 1899 -- valid
  Aphelocephala leucopsis (Gould, 1841) -- valid -- Southern Whiteface
  Aphelocephala nigricincta (North, 1895) -- valid -- Banded Whiteface
  Aphelocephala pectoralis (Gould, 1871) -- valid -- Chestnut-breasted Whiteface
  Aphelocoma Cabanis, 1851 -- valid -- Scrub Jays
  Aphelocoma californica (Vigors, 1839) -- valid -- Western Scrub-Jay, Western Scrub Jay
  Aphelocoma coerulescens (Bosc, 1795) -- valid -- Scrub Jay, Chara pecho rayado, Florida Scrub Jay, Florida Scrub-Jay
  Aphelocoma insularis Henshaw, 1886 -- valid -- Island Scrub-Jay, Island Scrub Jay
  Aphelocoma ultramarina (Bonaparte, 1825) -- valid -- Gray-breasted Jay, Chara pecho gris, Mexican Jay
  Aphelocoma unicolor (Du Bus de Gisignies, 1847) -- valid -- Chara unicolor, Unicolored Jay
  Aphrastura Oberholser, 1899 -- valid
  Aphrastura masafuerae (Philippi & Landbeck, 1866) -- valid -- Mas Afuera Rayadito
  Aphrastura spinicauda (Gmelin, 1789) -- valid -- Thorn-tailed Rayadito
  Aphriza Audubon, 1839 -- invalid -- Surfbirds
  Aphriza virgata (J. F. Gmelin, 1789) -- invalid -- Surfbird, Playero roquero, Bécasseau du ressac
  Aplonis Gould, 1836 -- valid
  Aplonis atrifusca (Peale, 1848) -- valid -- Samoan Starling
  Aplonis brunneicapilla (Danis, 1938) -- invalid
  Aplonis cantoroides (G. R. Gray, 1862) -- valid -- Singing Starling
  Aplonis cinerascens Hartlaub & Finsch, 1871 -- valid -- Rarotonga Starling
  Aplonis corvina (Kittlitz, 1833) -- valid -- Kosrae Mountain Starling, Kosrae Starling
  Aplonis crassa (P. L. Sclater, 1883) -- valid -- Tanimbar Starling
  Aplonis dichroa (Tristram, 1895) -- valid -- Makira Starling
  Aplonis feadensis (E. P. Ramsay, 1882) -- valid -- Atoll Starling
  Aplonis fusca Gould, 1836 -- valid -- Tasman Starling
  Aplonis grandis (Salvadori, 1881) -- valid -- Brown-winged Starling
  Aplonis insularis Mayr, 1931 -- valid -- Rennell Starling
  Aplonis magna (Schlegel, 1871) -- valid -- Long-tailed Starling
  Aplonis mavornata Buller, 1887 -- valid -- Mysterious Starling
  Aplonis metallica (Temminck, 1824) -- valid -- Metallic Starling
  Aplonis minor (Bonaparte, 1850) -- valid -- Short-tailed Starling
  Aplonis mysolensis (G. R. Gray, 1862) -- valid -- Moluccan Starling
  Aplonis mystacea (Ogilvie-Grant, 1911) -- valid -- Yellow-eyed Starling
  Aplonis opaca (Kittlitz, 1833) -- valid -- Micronesian Starling
  Aplonis panayensis (Scopoli, 1786) -- valid -- Asian Glossy Starling
  Aplonis pelzelni Finsch, 1876 -- valid -- Pohnpie Mountain Starling, Pohnpei Starling
  Aplonis santovestris Harrisson & A. J. Marshall, 1937 -- valid -- Vanuatu Starling
  Aplonis striata (Gmelin, 1788) -- valid -- Striated Starling
  Aplonis tabuensis (Gmelin, 1788) -- valid -- Polynesian Starling
  Aplonis zelandica (Quoy & Gaimard, 1830) -- valid -- Rusty-winged Starling
  Apodidae -- valid -- Swifts
  Apodiformes -- valid -- Swifts, Hummingbirds
  Aprosmictus Gould, 1842 -- valid
  Aprosmictus erythropterus (J. F. Gmelin, 1788) -- valid -- Red-winged Parrot, Perruche érythroptère, Papagayo alirrojo, periquito-de-encontro-vermelho
  Aprosmictus jonquillaceus (Vieillot, 1818) -- valid -- Jonquil Parrot, Olive-shouldered Parrot, Perruche jonquille, Papagayo de Timor, periquito-de-asa-vermelha-de-timor
  Aptenodytes J. F. Miller, 1778 -- valid
  Aptenodytes forsteri G. R. Gray, 1844 -- valid -- Emperor Penguin
  Aptenodytes patagonicus J. F. Miller, 1778 -- valid -- King Penguin
  Apterygidae -- valid -- Kiwis
  Apteryx Shaw, 1813 -- valid
  Apteryx australis Shaw, 1813 -- valid -- Brown Kiwi, Southern Tokoeka, Haast Tokoeka, Southern Brown Kiwi
  Apteryx haastii Potts, 1872 -- valid -- Great Spotted Kiwi, Roroa
  Apteryx owenii Gould, 1847 -- valid -- Little Spotted Kiwi
  Apus Scopoli, 1777 -- valid -- Common Swifts
  Apus acuticauda (Jerdon, 1864) -- valid -- Dark-rumped Swift
  Apus aequatorialis (J. W. Von Muller, 1851) -- invalid
  Apus affinis (J. E. Gray, 1830) -- valid -- Little Swift
  Apus alexandri Hartert, 1901 -- valid -- Cape Verde Swift
  Apus apus (Linnaeus, 1758) -- valid -- Common Swift
  Apus balstoni (Bartlett, 1880) -- valid -- Malagasy Black Swift
  Apus barbatus (P. L. Sclater, 1866) -- valid -- African Black Swift
  Apus batesi (Sharpe, 1904) -- valid -- Bates's Swift
  Apus berliozi Ripley, 1966 -- valid -- Forbes-Watson's Swift
  Apus bradfieldi (Roberts, 1926) -- valid -- Bradfield's Swift
  Apus caffer (M. H. K. Lichtenstein, 1823) -- valid -- White-rumped Swift
  Apus horus (Heuglin, 1869) -- valid -- Horus Swift
  Apus melba (Linnaeus, 1758) -- invalid
  Apus niansae (Reichenow, 1887) -- valid -- Nyanza Swift
  Apus nipalensis (Hodgson, 1837) -- valid -- House Swift
  Apus pacificus (Latham, 1801) -- valid -- Fork-tailed Swift, Pacific Swift
  Apus pallidus (Shelley, 1870) -- valid -- Pallid Swift
  Apus toulsoni (Bocage, 1877) -- invalid
  Apus unicolor (Jardine, 1830) -- valid -- Plain Swift
  Aquila Brisson, 1760 -- valid -- Golden Eagles
  Aquila adalberti C. L. Brehm, 1861 -- valid -- Spanish Imperial Eagle
  Aquila audax (Latham, 1802) -- valid -- Wedge-tailed Eagle
  Aquila chrysaetos (Linnaeus, 1758) -- valid -- Águila real, Golden Eagle, Aigle royal
  Aquila clanga Pallas, 1811 -- valid -- Greater Spotted Eagle
  Aquila gurneyi G. R. Gray, 1861 -- valid -- Gurney's Eagle
  Aquila heliaca Savigny, 1809 -- valid -- Asian Imperial Eagle, Eastern Imperial Eagle
  Aquila nipalensis Hodgson, 1833 -- valid -- Steppe Eagle
  Aquila pomarina C. L. Brehm, 1831 -- valid -- Lesser Spotted Eagle
  Aquila rapax (Temminck, 1828) -- valid -- Tawny Eagle
  Aquila verreauxii Lesson, 1831 -- valid -- Verreaux's Eagle
  Aquila vindhiana Franklin, 1831 -- invalid
  Aquila wahlbergi Sundevall, 1850 -- invalid -- Wahlberg's Eagle
  Ara Lacépède, 1799 -- valid
  Ara ambigua (Bechstein, 1811) -- invalid
  Ara ararauna (Linnaeus, 1758) -- valid -- Blue-and-yellow Macaw, Ara bleu, Guacamayo azuliamarillo, arara-canindé
  Ara auricollis Cassin, 1853 -- invalid
  Ara chloropterus G. R. Gray, 1859 -- valid -- Red-and-green Macaw, Ara chloroptère, Guacamayo aliverde, arara-vermelha
  Ara couloni P. L. Sclater, 1876 -- invalid
  Ara glaucogularis Dabbene, 1921 -- valid -- Blue-throated Macaw, Ara canindé, Guacamayo barbiazul, arara-de-garganta-azul
  Ara macao (Linnaeus, 1758) -- valid -- Scarlet Macaw, Guacamaya roja, Ara rouge, Guacamayo macao, araracanga
  Ara manilata (Boddaert, 1783) -- invalid
  Ara maracana (Vieillot, 1816) -- invalid
  Ara militaris (Linnaeus, 1766) -- valid -- Military Macaw, Guacamaya verde, Ara militaire, Guacamayo militar, arara-militar
  Ara nobilis (Linnaeus, 1758) -- invalid
  Ara rubrogenys Lafresnaye, 1847 -- valid -- Red-fronted Macaw, Ara de Lafresnaye, Guacamayo de Cochabamba, arara-de-fronte-vermelha
  Ara severa (Linnaeus, 1758) -- invalid
  Ara tricolor (Bechstein, 1811) -- valid -- Hispaniolan Macaw, Cuban Macaw, Ara tricolore, Guacamayo cubano, arara-vermelha-de-cuba
  Arachnothera Temminck, 1826 -- valid
  Arachnothera affinis (Horsfield, 1821) -- valid -- Streaky-breasted Spiderhunter
  Arachnothera chrysogenys (Temminck, 1826) -- valid -- Yellow-eared Spiderhunter
  Arachnothera clarae W. Blasius, 1890 -- valid -- Naked-faced Spiderhunter
  Arachnothera crassirostris (Reichenbach, 1853) -- valid -- Thick-billed Spiderhunter
  Arachnothera everetti (Sharpe, 1893) -- valid -- Bornean Spiderhunter
  Arachnothera flavigaster (Eyton, 1839) -- valid -- Spectacled Spiderhunter
  Arachnothera juliae Sharpe, 1887 -- valid -- Whitehead's Spiderhunter
  Arachnothera longirostra (Latham, 1790) -- valid -- Little Spiderhunter
  Arachnothera magna (Hodgson, 1836) -- valid -- Streaked Spiderhunter
  Arachnothera robusta S. Muller & Schlegel, 1845 -- valid -- Long-billed Spiderhunter
  Aramidae -- valid -- Limpkins, Limpkin
  Aramides Pucheran, 1845 -- valid
  Aramides axillaris Lawrence, 1863 -- valid -- Rascón cuello rufo, Rufous-necked Wood Rail, Rufous-necked Wood-Rail
  Aramides cajanea (Statius Muller, 1776) -- valid -- Rascón cuello gris, Grey-necked Wood Rail, Gray-necked Wood-Rail
  Aramides calopterus P. L. Sclater & Salvin, 1878 -- valid -- Red-winged Wood Rail
  Aramides mangle (Spix, 1825) -- valid -- Little Wood Rail
  Aramides saracura (Spix, 1825) -- valid -- Slaty-breasted Wood Rail
  Aramides wolfi Berlepsch & Taczanowski, 1884 -- valid -- Brown Wood Rail
  Aramides ypecaha (Vieillot, 1819) -- valid -- Giant Wood Rail
  Aramidopsis Sharpe, 1893 -- valid
  Aramidopsis plateni (W. Blasius, 1886) -- valid -- Snoring Rail
  Aramus Vieillot, 1816 -- valid -- Limpkins
  Aramus guarauna (Linnaeus, 1766) -- valid -- Limpkin, Carao
  Aratinga von Spix, 1824 -- valid -- Parakeets
  Aratinga acuticaudata (Vieillot, 1818) -- invalid -- Blue-crowned Parakeet
  Aratinga aurea (J. F. Gmelin, 1788) -- invalid -- Peach-fronted Parakeet
  Aratinga auricapilla (Kuhl, 1820) -- invalid
  Aratinga cactorum (Kuhl, 1820) -- invalid -- Caatinga Parakeet
  Aratinga canicularis (Linnaeus, 1758) -- invalid -- Orange-fronted Parakeet, Perico frente naranja
  Aratinga chloroptera (Souancé, 1856) -- invalid -- Hispaniolan Parakeet
  Aratinga erythrogenys (R. Lesson, 1844) -- invalid -- Red-masked Parakeet
  Aratinga euops (Wagler, 1832) -- invalid -- Cuban Parakeet
  Aratinga finschi (Salvin, 1871) -- invalid -- Finsch's Parakeet, Crimson-fronted Parakeet
  Aratinga guarouba (J. F. Gmelin, 1788) -- invalid -- Golden Parakeet
  Aratinga holochlora (P. L. Sclater, 1859) -- invalid -- Green Parakeet, Perico mexicano
  Aratinga jandaya (J. F. Gmelin, 1788) -- valid -- Jandaya Parakeet, Conure jandaya, Aratinga jandaya, jandaia
  Aratinga leucophthalmus (P. L. S. Müller, 1776) -- invalid
  Aratinga mitrata (Tschudi, 1844) -- invalid -- Mitred Parakeet
  Aratinga nana (Vigors, 1830) -- invalid -- Jamaican Parakeet, Olive-throated Parakeet, Perico pecho sucio
  Aratinga pertinax (Linnaeus, 1758) -- invalid -- Brown-throated Parakeet
  Aratinga solstitialis (Linnaeus, 1758) -- valid -- Sun Parakeet, Conure soleil, Aratinga sol, jandaia-amarela
  Aratinga strenua (Ridgway, 1915) -- invalid -- Pacific Parakeet, Perico centroamericano
  Aratinga wagleri (G. R. Gray, 1845) -- invalid -- Scarlet-fronted Parakeet
  Aratinga weddellii (Deville, 1851) -- valid -- Dusky-headed Parakeet, Conure de Weddell, Aratinga cabecifusca, periquito-de-cabeça-suja
  Arborophila Hodgson, 1837 -- valid
  Arborophila ardens (Styan, 1892) -- valid -- Torquéole de Hainan, Arborófila de Hainán, perdiz-montesa-cara-preta, Hainan Hill Partridge, Hainan Partridge
  Arborophila atrogularis (Blyth, 1849) -- valid -- Torquéole à joues blanches, Arborófila cariblanca, perdiz-montesa-de-bochechas-brancas, White-cheeked Hill Partridge, White-cheeked Partridge
  Arborophila brunneopectus (Blyth, 1855) -- valid -- Torquéole à poitrine brune, Arborófila pechiparda, perdiz-montesa-de-peito-marrom, Bar-backed Hill Partridge, Bar-backed Partridge
  Arborophila cambodiana Delacour & Jabouille, 1928 -- valid -- Torquéole du Cambodge, Arborófila de Camboya, perdiz-montesa-de-cabeça-castanha, Chestnut-headed Hill Partridge, Chestnut-headed Partridge
  Arborophila charltonii (Eyton, 1845) -- invalid -- Chestnut-necklaced Hill Partridge, Scaly-breasted Partridge
  Arborophila chloropus (Blyth, 1859) -- invalid -- Green-legged Hill Partridge, Green-legged Partridge
  Arborophila crudigularis (Swinhoe, 1864) -- valid -- Torquéole de Formose, Arborófila de Formosa, perdiz-montesa-de-papo-branco, Taiwan Hill Partridge, Taiwan Partridge
  Arborophila davidi Delacour, 1927 -- valid -- Torquéole de David, Arborófila de David, perdiz-montesa-de-pescoço-laranja, Orange-necked Hill Partridge, Orange-necked Partridge
  Arborophila gingica (J. F. Gmelin, 1789) -- valid -- Torquéole de Sonnerat, Arborófila de Fujián, perdiz-montesa-de-colar, Collared Partridge, Collared Hill Partridge, White-necklaced Partridge
  Arborophila hyperythra (Sharpe, 1879) -- valid -- Torquéole de Bornéo, Arborófila de Borneo, perdiz-montesa-de-bornéo, Bornean Partridge, Red-breasted Hill Partridge, Red-breasted Partridge
  Arborophila javanica (J. F. Gmelin, 1789) -- valid -- Torquéole de Java, Arborófila de Java, perdiz-montesa-de-barriga-castanha, Chestnut-bellied Hill Partridge, Chestnut-bellied Partridge
  Arborophila mandellii Hume, 1874 -- valid -- Torquéole de Mandelli, Arborófila pechirroja, perdiz-montesa-de-peito-castanho, Chestnut-breasted Hill Partridge, Chestnut-breasted Partridge
  Arborophila merlini (Delacour & Jabouille, 1924) -- invalid
  Arborophila orientalis (Horsfield, 1821) -- valid -- Torquéole de Horsfield, Arborófila oriental, perdiz-montesa-de-peito-cinzento, Gray-breasted Partridge, White-faced Partridge, Horsfield's Hill Partridge, Grey-breasted Partridge
  Arborophila rubrirostris (Salvadori, 1879) -- valid -- Torquéole à bec rouge, Arborófila piquirroja, perdiz-montesa-de-bico-vermelho, Red-bellied Hill Partridge, Red-billed Partridge
  Arborophila rufipectus Boulton, 1932 -- valid -- Torquéole de Boulton, Arborófila de Sichuán, perdiz-montesa-de-peito-ruivo, Sichuan Hill Partridge, Sichuan Partridge
  Arborophila rufogularis (Blyth, 1849) -- valid -- Torquéole à gorge rousse, Arborófila golirrufa, perdiz-montesa-de-papo-ruivo, Rufous-throated Hill Partridge, Rufous-throated Partridge
  Arborophila torqueola (Valenciennes, 1825) -- valid -- Torquéole à collier, Arborófila común, perdiz-montesa-mascarada, Common Hill Partridge, Hill Partridge
  Arcanator Irwin & Clancey, 1986 -- valid
  Arcanator orostruthus (Vincent, 1933) -- valid -- dappled mountain robin
  Archboldia Rand, 1940 -- valid
  Archboldia papuensis Rand, 1940 -- valid -- Archbold's Bowerbird
  Archboldia sanfordi Mayr & Gilliard, 1950 -- invalid
  Archilochus Reichenbach, 1854 -- valid -- Ruby-throated Hummingbirds
  Archilochus alexandri (Bourcier & Mulsant, 1846) -- valid -- Black-chinned Hummingbird, Colibrí barba negra
  Archilochus colubris (Linnaeus, 1758) -- valid -- Colibrí garganta rubí, Ruby-throated Hummingbird, colibri à gorge rubis
  Ardea Linnaeus, 1758 -- valid -- Great Herons
  Ardea alba Linnaeus, 1758 -- valid -- Great Egret, Grande Aigrette
  Ardea cinerea Linnaeus, 1758 -- valid -- Gray Heron, Grey Heron, Héron cendré
  Ardea cocoi Linnaeus, 1766 -- valid -- Cocoi Heron, Héron cocoi
  Ardea goliath Cretzschmar, 1829 -- valid -- Goliath Heron
  Ardea herodias Linnaeus, 1758 -- valid -- Garza morena, Great Blue Heron, Grand Héron
  Ardea humbloti Milne-Edwards & A. Grandidier, 1885 -- valid -- Humblot's Heron
  Ardea insignis Hume, 1878 -- valid -- White-bellied Heron
  Ardea melanocephala Children & Vigors, 1826 -- valid -- Black-headed Heron
  Ardea pacifica Latham, 1802 -- valid -- White-necked Heron
  Ardea picata Gould, 1845 -- invalid
  Ardea purpurea Linnaeus, 1766 -- valid -- Purple Heron, Héron pourpré
  Ardea sumatrana Raffles, 1822 -- valid -- Great-billed Heron
  Ardeidae Leach, 1820 -- valid -- Bitterns, Egrets, Herons
  Ardeola F. Boie, 1822 -- valid
  Ardeola bacchus (Bonaparte, 1855) -- valid -- Chinese Pond Heron, Chinese Pond-Heron, Crabier chinois
  Ardeola grayii (Sykes, 1832) -- valid -- Indian Pond Heron
  Ardeola idae (Hartlaub, 1860) -- valid -- Malagasy Pond Heron
  Ardeola ralloides (Scopoli, 1769) -- valid -- Squacco Heron
  Ardeola rufiventris (Sundevall, 1850) -- valid -- Rufous-bellied Heron
  Ardeola speciosa (Horsfield, 1821) -- valid -- Javan Pond Heron
  Ardeotis Le Maout, 1853 -- valid
  Ardeotis arabs (Linnaeus, 1758) -- valid -- Arabian Bustard
  Ardeotis australis (J. E. Gray, 1829) -- valid -- Australian Bustard
  Ardeotis kori (Burchell, 1822) -- valid -- Kori Bustard
  Ardeotis nigriceps (Vigors, 1831) -- valid -- Great Indian Bustard
  Arenaria Brisson, 1760 -- valid -- Turnstones
  Arenaria interpres (Linnaeus, 1758) -- valid -- Vuelvepiedras rojizo, Ruddy Turnstone, Tournepierre à collier, Vuelvepiedras común, vira-pedras, rola-do-mar
  Arenaria melanocephala (Vigors, 1829) -- valid -- Black Turnstone, Vuelvepiedras negro, Tournepierre noir, Vuelvepiedras oscuro, vira-pedras-preto
  Argusianus Rafinesque, 1815 -- invalid
  Argusianus argus (Linnaeus, 1766) -- valid -- Argus géant, Argos real, argos-real, Great Argus
  Arremon Vieillot, 1816 -- valid
  Arremon abeillei R. Lesson, 1844 -- valid -- Black-capped Sparrow, Tohi d'Abeillé, Cerquero coroninegro
  Arremon aurantiirostris Lafresnaye, 1847 -- valid -- Rascador pico naranja, Orange-billed Sparrow, Tohi à bec orange, Cerquero piquinaranja
  Arremon flavirostris Swainson, 1838 -- valid -- Saffron-billed Sparrow, Tohi à bec jaune, Cerquero piquiamarillo, tico-tico-de-bico-amarelo
  Arremon schlegeli Bonaparte, 1850 -- valid -- Golden-winged Sparrow, Tohi de Schlegel, Cerquero alidorado
  Arremon taciturnus (Hermann, 1783) -- valid -- Pectoral Sparrow, Tohi silencieux, Cerquero pectoral, tico-tico-de-bico-preto
  Arremonops Ridgway, 1896 -- valid -- Olive Sparrows
  Arremonops chloronotus (Salvin, 1861) -- valid -- Rascador dorso verde, Green-backed Sparrow, Tohi à dos vert, Cerquero dorsiverde
  Arremonops conirostris (Bonaparte, 1850) -- valid -- Black-striped Sparrow, Tohi ligné, Cerquero negrilistado, tico-tico-cantor
  Arremonops rufivirgatus (Lawrence, 1851) -- valid -- Tohi olive, Cerquero oliváceo, Olive Sparrow, Rascador oliváceo
  Arremonops tocuyensis Todd, 1912 -- valid -- Tocuyo Sparrow, Tohi de Tocuyo, Cerquero de El Tocuyo
  Arses Lesson, 1831 -- valid
  Arses insularis (A. B. Meyer, 1874) -- valid -- Rufous-collared Monarch
  Arses kaupi Gould, 1851 -- valid -- Pied Monarch
  Arses telescophthalmus (Garnot, 1827) -- invalid
  Artamella W. L. Sclater, 1924 -- valid
  Artamella viridis (Statius Muller, 1776) -- valid -- White-headed Vanga
  Artamus Vieillot, 1816 -- valid -- Wood-Swallows
  Artamus cinereus Vieillot, 1817 -- valid -- Black-faced Woodswallow
  Artamus cyanopterus (Latham, 1802) -- valid -- Dusky Woodswallow
  Artamus fuscus Vieillot, 1817 -- valid -- Ashy Woodswallow
  Artamus insignis P. L. Sclater, 1877 -- valid -- White-backed Woodswallow
  Artamus leucorynchus (Linnaeus, 1771) -- invalid -- White-breasted Wood-Swallow, White-breasted Woodswallow
  Artamus maximus A. B. Meyer, 1874 -- valid -- Great Woodswallow
  Artamus mentalis Jardine, 1845 -- valid -- Fiji Woodswallow
  Artamus minor Vieillot, 1817 -- valid -- Little Woodswallow
  Artamus monachus Bonaparte, 1850 -- valid -- Ivory-backed Woodswallow
  Artamus personatus (Gould, 1841) -- valid -- Masked Woodswallow
  Artamus superciliosus (Gould, 1837) -- valid -- White-browed Woodswallow
  Arundinicola Orbigny, 1840 -- valid
  Arundinicola leucocephala (Linnaeus, 1764) -- valid -- White-headed Marsh Tyrant
  Ashbyia North, 1911 -- valid
  Ashbyia lovensis (Ashby, 1911) -- valid -- Gibberbird, Epthianure d'Ashby, Eptianuro de Ashby, Gibber Chat
  Asio Brisson, 1760 -- valid -- Eared Owls
  Asio abyssinicus (Guérin-Méneville, 1843) -- valid -- Abyssinian Owl
  Asio capensis (A. Smith, 1834) -- valid -- Marsh Owl
  Asio flammeus (Pontoppidan, 1763) -- valid -- Búho cuerno corto, Short-eared Owl, hibou des marais
  Asio madagascariensis (A. Smith, 1834) -- valid -- Madagascar Owl
  Asio otus (Linnaeus, 1758) -- valid -- Búho cara café, Long-eared Owl, hibou moyen-duc
  Asio stygius (Wagler, 1832) -- valid -- Búho cara oscura, Stygian Owl
  Aspatha Sharpe, 1892 -- valid
  Aspatha gularis (Lafresnaye, 1840) -- valid -- Momoto garganta azul, Blue-throated Motmot, Momoto gorjiazul, Motmot à gorge bleue
  Asthenes Reichenbach, 1853 -- valid
  Asthenes anthoides (King, 1831) -- valid -- Austral Canastero
  Asthenes baeri (Berlepsch, 1906) -- valid -- Short-billed Canastero
  Asthenes berlepschi (Hellmayr, 1917) -- valid -- Berlepsch's Canastero
  Asthenes cactorum Koepcke, 1959 -- valid -- Cactus Canastero
  Asthenes dorbignyi (Reichenbach, 1853) -- valid -- Rusty-vented Canastero
  Asthenes flammulata (Jardine, 1850) -- valid -- Many-striped Canastero
  Asthenes heterura (Berlepsch, 1901) -- valid -- Maquis Canastero
  Asthenes hudsoni (P. L. Sclater, 1874) -- valid -- Hudson's Canastero
  Asthenes humicola (Kittlitz, 1830) -- valid -- Dusky-tailed Canastero
  Asthenes humilis (Cabanis, 1873) -- valid -- Streak-throated Canastero
  Asthenes luizae Vielliard, 1990 -- valid -- Cipo Canastero
  Asthenes maculicauda (Berlepsch, 1901) -- valid -- Scribble-tailed Canastero
  Asthenes modesta (Eyton, 1851) -- valid -- Cordilleran Canastero
  Asthenes ottonis (Berlepsch, 1901) -- valid -- Rusty-fronted Canastero
  Asthenes patagonica (Orbigny, 1839) -- valid -- Patagonian Canastero
  Asthenes pudibunda (P. L. Sclater, 1874) -- valid -- Canyon Canastero
  Asthenes pyrrholeuca (Vieillot, 1817) -- valid -- Sharp-billed Canastero
  Asthenes sclateri (Cabanis, 1878) -- valid -- Puna Canastero
  Asthenes steinbachi (Hartert, 1909) -- valid -- Steinbach's Canastero
  Asthenes urubambensis (Chapman, 1919) -- valid -- Line-fronted Canastero
  Asthenes virgata (P. L. Sclater, 1874) -- valid -- Junin Canastero
  Asthenes wyatti (P. L. Sclater & Salvin, 1871) -- valid -- Streak-backed Canastero
  Astrapia Vieillot, 1816 -- valid
  Astrapia mayeri Stonor, 1939 -- valid -- Ribbon-tailed Astrapia
  Astrapia nigra (Gmelin, 1788) -- valid -- Arfak Astrapia
  Astrapia rothschildi Foerster, 1906 -- valid -- Huon Astrapia
  Astrapia splendidissima Rothschild, 1895 -- valid -- Splendid Astrapia
  Astrapia stephaniae (Finsch & A. B. Meyer, 1885) -- valid -- Princess Stephanie's Astrapia
  Asturina Vieillot, 1816 -- invalid
  Asturina nitida (Latham, 1790) -- invalid -- Gray Hawk
  Atalotriccus Ridgway, 1905 -- valid
  Atalotriccus pilaris (Cabanis, 1847) -- valid -- Pale-eyed Pygmy-Tyrant
  Atelornis Pucheran, 1846 -- valid
  Atelornis crossleyi Sharpe, 1875 -- valid -- Rufous-headed Ground Roller, Rufous-headed Ground-roller, Carraca terrestre cabecirrufa, Brachyptérolle de Crossley
  Atelornis pittoides (Lafresnaye, 1834) -- valid -- Pitta-like Ground Roller, Pitta-like Ground-roller, Carraca terrestre cabeciazul, Brachyptérolle pittoïde
  Athene F. Boie, 1822 -- valid -- Burrowing Owls
  Athene blewitti (Hume, 1873) -- invalid
  Athene brama (Temminck, 1821) -- valid -- Spotted Owlet
  Athene cunicularia (Molina, 1782) -- valid -- Tecolote llanero, Burrowing Owl, chevêche des terriers
  Athene noctua (Scopoli, 1769) -- valid -- Little Owl
  Atlantisia Lowe, 1923 -- valid
  Atlantisia rogersi Lowe, 1923 -- valid -- Inaccessible Island Rail
  Atlapetes Wagler, 1831 -- valid
  Atlapetes albiceps (Taczanowski, 1884) -- valid -- White-headed Brush Finch, White-headed Brushfinch, Tohi à tête blanche, Atlapetes cabeciblanco, White-headed Brush-finch
  Atlapetes albinucha (d'Orbigny & Lafresnaye, 1838) -- valid -- Atlapetes nuca blanca, White-naped Brush Finch, White-naped Brush-Finch, White-naped Brushfinch, Tohi à calotte blanche, Atlapetes nuquiblanco, White-naped Brush-finch
  Atlapetes albofrenatus (Boissonneau, 1840) -- valid -- Moustached Brush Finch, Moustached Brushfinch, Tohi moustachu, Atlapetes bigotudo, Moustached Brush-finch
  Atlapetes citrinellus (Cabanis, 1883) -- valid -- Yellow-striped Brush Finch, Yellow-striped Brushfinch, Tohi citrin, Atlapetes amarillo, Yellow-striped Brush-finch
  Atlapetes flaviceps Chapman, 1912 -- valid -- Yellow-headed Brush Finch, Yellow-headed Brushfinch, Tohi à tête olive, Atlapetes cabecigualdo, Yellow-headed Brush-finch
  Atlapetes fulviceps (d'Orbigny & Lafresnaye, 1837) -- valid -- Fulvous-headed Brush Finch, Fulvous-headed Brushfinch, Tohi à tête rousse, Atlapetes cabecirrufo, Fulvous-headed Brush-finch
  Atlapetes fuscoolivaceus Chapman, 1914 -- valid -- Dusky-headed Brush Finch, Dusky-headed Brushfinch, Tohi sombre, Atlapetes sombrío, Dusky-headed Brush-finch
  Atlapetes leucopis (P. L. Sclater & Salvin, 1878) -- valid -- White-rimmed Brush Finch, White-rimmed Brushfinch, Tohi bridé, Atlapetes embridado, White-rimmed Brush-finch
  Atlapetes leucopterus (Jardine, 1856) -- valid -- White-winged Brush Finch, White-winged Brushfinch, Tohi leucoptère, Atlapetes aliblanco, White-winged Brush-finch
  Atlapetes melanocephalus (Salvin & Godman, 1880) -- valid -- Santa Marta Brush Finch, Santa Marta Brushfinch, Tohi des Santa Marta, Atlapetes de Santa Marta, Santa Marta Brush-finch
  Atlapetes nationi (P. L. Sclater, 1881) -- valid -- Rusty-bellied Brush Finch, Rusty-bellied Brushfinch, Tohi à ventre roux, Atlapetes ventrirrufo, Rusty-bellied Brush-finch
  Atlapetes pallidiceps (Sharpe, 1900) -- valid -- Pale-headed Brush Finch, Pale-headed Brushfinch, Tohi grisonnant, Atlapetes cabecipálido, Pale-headed Brush-finch
  Atlapetes pallidinucha (Boissonneau, 1840) -- valid -- Pale-naped Brush Finch, Pale-naped Brushfinch, Tohi à nuque claire, Atlapetes nuquipálido, Pale-naped Brush-finch
  Atlapetes personatus (Cabanis, 1849) -- valid -- Tepui Brush Finch, Tepui Brushfinch, Tohi des tépuis, Atlapetes de tepuí, tico-tico-do-tepui, Tepui Brush-finch
  Atlapetes pileatus Wagler, 1831 -- valid -- Atlapetes gorra rufa, Rufous-capped Brush-Finch, Rufous-capped Brush Finch, Rufous-capped Brushfinch, Tohi à calotte rousse, Atlapetes coronirrufo, Rufous-capped Brush-finch
  Atlapetes rufigenis (Salvin, 1895) -- valid -- Rufous-eared Brush Finch, Rufous-eared Brushfinch, Tohi rougeaud, Atlapetes orejirrufo, Rufous-eared Brush-finch
  Atlapetes rufinucha (d'Orbigny & Lafresnaye, 1837) -- valid -- Bolivian Brush Finch, Bolivian Brushfinch, Tohi à nuque rousse, Atlapetes nuquirrufo, Bolivian Brush-finch
  Atlapetes schistaceus (Boissonneau, 1840) -- valid -- Slaty Brush Finch, Slaty Brushfinch, Tohi ardoisé, Atlapetes pizarroso, Slaty Brush-finch
  Atlapetes seebohmi (Taczanowski, 1883) -- valid -- Bay-crowned Brush Finch, Bay-crowned Brushfinch, Tohi de Seebohm, Atlapetes de Seebohm, Bay-crowned Brush-finch
  Atlapetes semirufus (Boissonneau, 1840) -- valid -- Ochre-breasted Brush Finch, Ochre-breasted Brushfinch, Tohi demi-roux, Atlapetes semirrufo, Ochre-breasted Brush-finch
  Atlapetes tricolor (Taczanowski, 1875) -- valid -- Tricolored Brush Finch, Tricolored Brushfinch, Tohi tricolore, Atlapetes tricolor, Tricolored Brush-finch
  Atrichornis Stejneger, 1885 -- valid
  Atrichornis clamosus (Gould, 1844) -- valid -- Noisy Scrubbird
  Atrichornis rufescens (E. P. Ramsay, 1867) -- valid -- Rufous Scrubbird
  Attagis I. Geoffroy Saint-Hilaire & R. Lesson, 1831 -- valid
  Attagis gayi I. Geoffroy Saint-Hilaire & R. Lesson, 1831 -- valid -- Rufous-bellied Seedsnipe, Attagis de Gay, Agachona grande, puco-puco-de-barriga-ruiva
  Attagis malouinus (Boddaert, 1783) -- valid -- White-bellied Seedsnipe, Attagis de Magellan, Agachona patagona, puco-puco-de-barriga-branca
  Atthis Reichenbach, 1854 -- invalid -- Bumblebee Hummingbirds
  Atthis ellioti Ridgway, 1878 -- invalid -- Zumbador magenta, Wine-throated Hummingbird
  Atthis heloisa (R. Lesson & Delattre, 1839) -- invalid -- Bumblebee Hummingbird, Zumbador mexicano
  Atticora F. Boie, 1844 -- valid
  Atticora fasciata (Gmelin, 1789) -- valid -- White-banded Swallow
  Atticora melanoleuca (Wied-Neuwied, 1820) -- valid -- Black-collared Swallow
  Attila Lesson, 1831 -- valid
  Attila bolivianus Lafresnaye, 1848 -- valid -- White-eyed Attila
  Attila cinnamomeus (Gmelin, 1789) -- valid -- Cinnamon Attila
  Attila citriniventris P. L. Sclater, 1859 -- valid -- Citron-bellied Attila
  Attila phoenicurus Pelzeln, 1868 -- valid -- Rufous-tailed Attila
  Attila rufus (Vieillot, 1819) -- valid -- Grey-hooded Attila
  Attila spadiceus (Gmelin, 1789) -- valid -- Bright-rumped Attila, Atila
  Attila torridus P. L. Sclater, 1860 -- valid -- Ochraceous Attila
  Augastes Gould, 1849 -- valid
  Augastes lumachellus (R. Lesson, 1839) -- invalid
  Augastes scutatus (Temminck, 1824) -- valid -- Hyacinth Visorbearer
  Aulacorhynchus Gould, 1835 -- valid
  Aulacorhynchus coeruleicinctis d'Orbigny, 1840 -- valid -- Blue-banded Toucanet
  Aulacorhynchus derbianus Gould, 1835 -- valid -- Chestnut-tipped Toucanet
  Aulacorhynchus haematopygus (Gould, 1835) -- valid -- Crimson-rumped Toucanet
  Aulacorhynchus huallagae Carriker, 1933 -- valid -- Yellow-browed Toucanet
  Aulacorhynchus prasinus (Gould, 1833) -- valid -- Tucaneta verde, Emerald Toucanet
  Aulacorhynchus sulcatus (Swainson, 1820) -- valid -- Groove-billed Toucanet
  Auriparus S. F. Baird, 1864 -- valid
  Auriparus flaviceps (Sundevall, 1850) -- valid -- Verdin, Baloncillo
  Automolus Reichenbach, 1853 -- valid
  Automolus dorsalis P. L. Sclater & Salvin, 1880 -- invalid
  Automolus infuscatus (P. L. Sclater, 1856) -- valid -- Olive-backed Foliage-gleaner
  Automolus leucophthalmus (Wied-Neuwied, 1821) -- valid -- White-eyed Foliage-gleaner
  Automolus melanopezus (P. L. Sclater, 1858) -- valid -- Brown-rumped Foliage-gleaner
  Automolus ochrolaemus (Tschudi, 1844) -- valid -- Buff-throated Foliage-gleaner, Breñero garganta pálida
  Automolus roraimae Hellmayr, 1917 -- valid -- Tepui Foliage-gleaner
  Automolus rubiginosus (P. L. Sclater, 1857) -- valid -- Ruddy Foliage-gleaner, Breñero rojizo
  Automolus rufipileatus (Pelzeln, 1859) -- valid -- Chestnut-crowned Foliage-gleaner
  Aves -- valid -- Birds, oiseaux
  Aviceda Swainson, 1836 -- valid
  Aviceda cuculoides Swainson, 1837 -- valid -- African Cuckoo-Hawk
  Aviceda jerdoni (Blyth, 1842) -- valid -- Jerdon's Baza
  Aviceda leuphotes (Dumont, 1820) -- valid -- Black Baza
  Aviceda madagascariensis (A. Smith, 1834) -- valid -- Madagascar Cuckoo-Hawk
  Aviceda subcristata (Gould, 1838) -- valid -- Pacific Baza
  Avocettula Reichenbach, 1849 -- valid
  Avocettula recurvirostris (Swainson, 1822) -- valid -- Fiery-tailed Awlbill
  Aythya F. Boie, 1822 -- valid -- Diving Ducks
  Aythya affinis (Eyton, 1838) -- valid -- Pato boludo-menor, Lesser Scaup, Petit Fuligule, Porrón bola, negrelho-americano
  Aythya americana (Eyton, 1838) -- valid -- Pato cabeza roja, Redhead, Fuligule à tête rouge, Porrón americano, zarro-americano
  Aythya australis (Eyton, 1838) -- valid -- Hardhead, Fuligule austral, Porrón australiano, zarro-australiano
  Aythya baeri (Radde, 1863) -- valid -- Baer's Pochard, Fuligule de Baer, Porrón de Baer, zarro-de-baer
  Aythya collaris (Donovan, 1809) -- valid -- Pato pico anillado, Ring-necked Duck, Fuligule à collier, Porrón acollarado, caturro
  Aythya ferina (Linnaeus, 1758) -- valid -- Common Pochard, Fuligule milouin, Porrón europeo, zarro
  Aythya fuligula (Linnaeus, 1758) -- valid -- Tufted Duck, Fuligule morillon, Porrón moñudo, negrinha
  Aythya innotata (Salvadori, 1894) -- valid -- Madagascar Pochard, Fuligule de Madagascar, Porrón malgache, zarro-malgaxe
  Aythya marila (Linnaeus, 1761) -- valid -- Pato boludo-mayor, Greater Scaup, Fuligule milouinan, Porrón bastardo, negrelho
  Aythya novaeseelandiae (J. F. Gmelin, 1789) -- valid -- New Zealand Scaup, Fuligule de Nouvelle-Zélande, Porrón maorí, zarro-maori
  Aythya nyroca (Güldenstädt, 1770) -- valid -- Ferruginous Duck, Fuligule nyroca, Porrón pardo, pêrra
  Aythya valisineria (A. Wilson, 1814) -- valid -- Pato coacoxtle, Canvasback, Fuligule à dos blanc, Porrón coacoxtle, zarro-grande
  Babax David, 1875 -- valid
  Babax koslowi (Bianchi, 1905) -- valid -- Tibetan Babax
  Babax lanceolatus (J. Verreaux, 1870) -- valid -- Chinese Babax
  Babax waddelli Dresser, 1905 -- valid -- Giant Babax
  Baeolophus Cabanis, 1850 -- valid -- Titmice
  Baeolophus atricristatus (Cassin, 1850) -- valid -- Black-crested Titmouse
  Baeolophus bicolor (Linnaeus, 1766) -- valid -- Tufted Titmouse, Carbonero cresta negra
  Baeolophus griseus (Ridgway, 1882) -- invalid
  Baeolophus inornatus (Gambel, 1845) -- valid -- Plain Titmouse, Carbonero sencillo, Oak Titmouse
  Baeolophus ridgwayi (Richmond, 1902) -- valid -- Juniper Titmouse
  Baeolophus wollweberi (Bonaparte, 1850) -- valid -- Bridled Titmouse, Carbonero embridado
  Baeopogon Heine, 1860 -- valid
  Baeopogon clamans (Sjöstedt, 1893) -- valid -- Sjostedt's Greenbul
  Baeopogon indicator (J. Verreaux & E. Verreaux, 1855) -- valid -- Honeyguide Greenbul
  Baillonius Cassin, 1868 -- invalid
  Baillonius bailloni (Vieillot, 1819) -- invalid
  Balaeniceps Gould, 1850 -- valid
  Balaeniceps rex Gould, 1850 -- valid -- Shoebill
  Balearica Brisson, 1760 -- valid
  Balearica pavonina (Linnaeus, 1758) -- valid -- Black Crowned Crane
  Balearica regulorum (E. T. Bennett, 1834) -- valid -- Grey Crowned Crane
  Bambusicola Gould, 1863 -- valid -- Bamboo Partridges
  Bambusicola fytchii Anderson, 1871 -- valid -- Bambusicole de Fytch, Bambusícola montana, perdiz-do-bambuzal-montesa, Mountain Bamboo-partridge, Mountain Bamboo Partridge
  Bambusicola thoracica (Temminck, 1815) -- invalid
  Bangsia T. E. Penard, 1919 -- valid
  Bangsia arcaei (P. L. Sclater & Salvin, 1869) -- valid -- Blue-and-gold Tanager, Tangara jaune et bleu, Tangara de Arcé
  Bangsia aureocincta (Hellmayr, 1910) -- valid -- Gold-ringed Tanager, Tangara à boucles d'or, Tangara del Tatamá
  Bangsia edwardsi (D. G. Elliot, 1865) -- valid -- Moss-backed Tanager, Tangara d'Edwards, Tangara de Edwards
  Bangsia melanochlamys (Hellmayr, 1910) -- valid -- Black-and-gold Tanager, Tangara à cape noire, Tangara negrigualda
  Bangsia rothschildi (Berlepsch, 1897) -- valid -- Golden-chested Tanager, Tangara de Rothschild, Tangara de Rothschild
  Bartramia R. Lesson, 1831 -- valid -- Upland Sandpipers
  Bartramia longicauda (Bechstein, 1812) -- valid -- Zarapito ganga, Upland Sandpiper, Maubèche des champs, Correlimos batitú, maçarico-do-campo
  Baryphthengus Cabanis & Heine, 1860 -- valid
  Baryphthengus martii (Spix, 1824) -- valid -- Rufous Motmot, juruva-ruiva, Momoto yeruvá occidental, Motmot roux
  Baryphthengus ruficapillus (Vieillot, 1818) -- valid -- Rufous-capped Motmot, juruva, Momoto yeruvá oriental, Motmot oranroux
  Basileuterus Cabanis, 1849 -- valid -- Basileuterine Warblers
  Basileuterus basilicus (Todd, 1913) -- valid -- Santa Marta Warbler
  Basileuterus belli (Giraud Jr, 1841) -- valid -- Chipe ceja dorada, Golden-browed Warbler, Paruline à sourcils dorés
  Basileuterus bivittatus (d'Orbigny & Lafresnaye, 1837) -- invalid -- Two-banded Warbler
  Basileuterus chrysogaster (Tschudi, 1844) -- invalid -- Cuzco Warbler
  Basileuterus cinereicollis P. L. Sclater, 1864 -- invalid -- Grey-throated Warbler
  Basileuterus conspicillatus Salvin & Godman, 1880 -- invalid -- White-lored Warbler
  Basileuterus coronatus (Tschudi, 1844) -- invalid -- Russet-crowned Warbler
  Basileuterus culicivorus (Deppe, 1830) -- valid -- Chipe corona dorada, Stripe-crowned Warbler, Paruline à couronne dorée, Golden-crowned Warbler
  Basileuterus flaveolus (S. F. Baird, 1865) -- invalid -- Flavescent Warbler
  Basileuterus fraseri P. L. Sclater, 1884 -- invalid -- Grey-and-gold Warbler
  Basileuterus fulvicauda (von Spix, 1825) -- invalid
  Basileuterus griseiceps P. L. Sclater & Salvin, 1868 -- invalid -- Grey-headed Warbler
  Basileuterus hypoleucus Bonaparte, 1850 -- invalid -- White-bellied Warbler
  Basileuterus ignotus Nelson, 1912 -- valid -- Pirre Warbler, Paruline du Pirré
  Basileuterus leucoblepharus (Vieillot, 1817) -- invalid -- White-rimmed Warbler
  Basileuterus leucophrys Pelzeln, 1868 -- invalid -- White-striped Warbler
  Basileuterus luteoviridis (Bonaparte, 1845) -- invalid -- Citrine Warbler
  Basileuterus melanogenys S. F. Baird, 1865 -- valid -- Black-cheeked Warbler, Paruline sombre
  Basileuterus nigrocristatus (Lafresnaye, 1840) -- invalid -- Black-crested Warbler
  Basileuterus rivularis (zu Wied-Neuwied, 1821) -- invalid
  Basileuterus rufifrons (Swainson, 1838) -- valid -- Chipe gorra rufa, Rufous-capped Warbler, Paruline à calotte rousse
  Basileuterus signatus von Berlepsch & Stolzmann, 1906 -- invalid -- Pale-legged Warbler
  Basileuterus trifasciatus Taczanowski, 1880 -- valid -- Three-banded Warbler
  Basileuterus tristriatus (Tschudi, 1844) -- valid -- Three-striped Warbler, Paruline triligne
  Basilornis Bonaparte, 1850 -- valid
  Basilornis celebensis G. R. Gray, 1861 -- valid -- Sulawesi Myna
  Basilornis corythaix (Wagler, 1827) -- valid -- Long-crested Myna
  Basilornis galeatus A. B. Meyer, 1894 -- valid -- Helmeted Myna
  Basilornis miranda (Hartert, 1903) -- invalid
  Batara Lesson, 1831 -- valid
  Batara cinerea (Vieillot, 1819) -- valid -- Giant Antshrike
  Bathmocercus Reichenow, 1895 -- valid
  Bathmocercus cerviniventris (Sharpe, 1877) -- valid -- Black-headed Rufous Warbler
  Bathmocercus rufus Reichenow, 1895 -- valid -- Black-faced Rufous Warbler
  Batis F. Boie, 1833 -- valid
  Batis capensis (Linnaeus, 1766) -- valid -- Cape Batis
  Batis dimorpha (Shelley, 1893) -- invalid
  Batis diops Jackson, 1905 -- valid -- Ruwenzori Batis
  Batis fratrum (Shelley, 1900) -- valid -- Woodward's Batis
  Batis ituriensis Chapin, 1921 -- valid -- Ituri Batis
  Batis margaritae Boulton, 1934 -- valid -- Margaret's Batis
  Batis minima (J. Verreaux & E. Verreaux, 1855) -- valid -- Gabon Batis
  Batis minor Erlanger, 1901 -- valid -- Black-headed Batis
  Batis minulla (Bocage, 1874) -- valid -- Angola Batis
  Batis mixta (Shelley, 1889) -- valid -- Forest Batis
  Batis molitor (Kuster, 1836) -- valid -- Chinspot Batis
  Batis occulta Lawson, 1984 -- invalid
  Batis orientalis (Heuglin, 1870) -- valid -- Grey-headed Batis
  Batis perkeo Neumann, 1907 -- valid -- Pygmy Batis
  Batis poensis Alexander, 1903 -- valid -- Fernando Po Batis
  Batis pririt (Vieillot, 1818) -- valid -- Pririt Batis
  Batis reichenowi Grote, 1911 -- valid
  Batis senegalensis (Linnaeus, 1766) -- valid -- Senegal Batis
  Batis soror Reichenow, 1903 -- valid -- Pale Batis
  Batrachostomidae -- invalid
  Batrachostomus Gould, 1838 -- valid -- frogmouths
  Batrachostomus affinis Blyth, 1847 -- valid -- Blyth's Frogmouth
  Batrachostomus auritus (J. E. Gray, 1829) -- valid -- Large Frogmouth
  Batrachostomus cornutus (Temminck, 1822) -- valid -- Sunda Frogmouth
  Batrachostomus harterti Sharpe, 1892 -- valid -- Dulit Frogmouth
  Batrachostomus hodgsoni (G. R. Gray, 1859) -- valid -- Hodgson's Frogmouth
  Batrachostomus javensis (Horsfield, 1821) -- valid -- Javan Frogmouth
  Batrachostomus mixtus Sharpe, 1892 -- valid -- Bornean Frogmouth
  Batrachostomus moniliger Blyth, 1849 -- valid -- Sri Lanka Frogmouth
  Batrachostomus poliolophus Hartert, 1892 -- valid -- Short-tailed Frogmouth
  Batrachostomus septimus Tweeddale, 1877 -- valid -- Philippine Frogmouth
  Batrachostomus stellatus (Gould, 1837) -- valid -- Gould's Frogmouth
  Bebrornis Sharpe, 1883 -- invalid
  Bebrornis rodericanus (A. Newton, 1865) -- invalid -- Rodrigues Warbler
  Bebrornis sechellensis (Oustalet, 1877) -- invalid -- Seychelles Warbler
  Berlepschia Ridgway, 1887 -- valid
  Berlepschia rikeri (Ridgway, 1887) -- valid -- Point-tailed Palmcreeper
  Bias Lesson, 1831 -- valid
  Bias flammulatus (J. Verreaux & E. Verreaux, 1855) -- invalid
  Bias musicus (Vieillot, 1818) -- valid -- Black-and-white Flycatcher
  Biatas Cabanis & Heine, 1859 -- valid
  Biatas nigropectus (Lafresnaye, 1850) -- valid -- White-bearded Antshrike
  Biziura Stephens, 1824 -- valid
  Biziura lobata (Shaw, 1796) -- valid -- Musk Duck, Érismature à barbillons, Malvasía papuda, pato-de-papada
  Bleda Bonaparte, 1857 -- valid
  Bleda canicapilla (Hartlaub, 1854) -- invalid
  Bleda eximia (Hartlaub, 1855) -- invalid
  Bleda syndactyla (Swainson, 1837) -- invalid
  Blythipicus Bonaparte, 1854 -- valid
  Blythipicus pyrrhotis (Hodgson, 1837) -- valid -- Bay Woodpecker
  Blythipicus rubiginosus (Swainson, 1837) -- valid -- Maroon Woodpecker
  Boissonneaua Reichenbach, 1854 -- valid
  Boissonneaua flavescens (Loddiges, 1832) -- valid -- Buff-tailed Coronet
  Boissonneaua jardini (Bourcier, 1851) -- valid -- Velvet-purple Coronet
  Boissonneaua matthewsii (Bourcier, 1847) -- valid -- Chestnut-breasted Coronet
  Bolbopsittacus Salvadori, 1891 -- valid
  Bolbopsittacus lunulatus (Scopoli, 1786) -- valid -- Guaiabero, Guaiabero lunulé, Lorito guayabero, guaiabero
  Bolborhynchus Bonaparte, 1857 -- valid
  Bolborhynchus aurifrons (R. Lesson, 1830) -- invalid
  Bolborhynchus aymara (d'Orbigny, 1841) -- invalid
  Bolborhynchus ferrugineifrons (Lawrence, 1880) -- valid -- Rufous-fronted Parakeet, Toui à front roux, Catita frentirrufa, periquito-tolima
  Bolborhynchus lineola (Cassin, 1853) -- valid -- Barred Parakeet, Perico barrado, Toui catherine, Catita barrada, periquito-catarina
  Bolborhynchus orbygnesius (Souancé, 1856) -- valid -- Andean Parakeet, Toui de d'Orbigny, Catita andina, periquito-andino
  Bombycilla Vieillot, 1808 -- valid -- Waxwings
  Bombycilla cedrorum Vieillot, 1808 -- valid -- Ampelis chinito, Cedar Waxwing, jaseur d'Amérique
  Bombycilla garrulus (Linnaeus, 1758) -- valid -- Bohemian Waxwing, jaseur boréal
  Bombycilla japonica (Siebold, 1824) -- valid -- Japanese Waxwing
  Bombycillidae Swainson, 1831 -- valid -- Waxwings
  Bonasa Stephens, 1819 -- valid -- Ruffed Grouse
  Bonasa bonasia (Linnaeus, 1758) -- invalid -- Hazel Grouse
  Bonasa sewerzowi (Przewalski, 1876) -- invalid -- Chinese Grouse
  Bonasa umbellus (Linnaeus, 1766) -- valid -- Grévol engolado, tetraz-de-colar, Ruffed Grouse, gélinotte huppée
  Bostrychia G. R. Gray, 1847 -- valid
  Bostrychia carunculata (Ruppell, 1837) -- valid -- Wattled Ibis
  Bostrychia hagedash (Latham, 1790) -- valid -- Hadada Ibis
  Bostrychia olivacea (Du Bus de Gisignies, 1838) -- valid -- Olive Ibis
  Bostrychia rara (Rothschild, Hartert & O. Kleinschmidt, 1897) -- valid -- Spot-breasted Ibis
  Botaurus Stephens, 1819 -- valid -- Brown Bitterns
  Botaurus lentiginosus (Rackett, 1813) -- valid -- Avetoro norteño, American Bittern, Butor d'Amérique
  Botaurus pinnatus (Wagler, 1829) -- valid -- Avetoro neotropical, Pinnated Bittern, Butor mirasol
  Botaurus poiciloptilus (Wagler, 1827) -- valid -- Australasian Bittern
  Botaurus stellaris (Linnaeus, 1758) -- valid -- Eurasian Bittern
  Brachycope Reichenow, 1900 -- valid
  Brachycope anomala (Reichenow, 1887) -- valid -- Bob-tailed Weaver
  Brachygalba Bonaparte, 1854 -- valid
  Brachygalba albogularis (von Spix, 1824) -- valid -- White-throated Jacamar
  Brachygalba goeringi P. L. Sclater & Salvin, 1869 -- valid -- Pale-headed Jacamar
  Brachygalba lugubris (Swainson, 1838) -- valid -- Brown Jacamar
  Brachygalba salmoni P. L. Sclater & Salvin, 1879 -- valid -- Dusky-backed Jacamar
  Brachypteracias Lafresnaye, 1834 -- valid
  Brachypteracias leptosomus (R. Lesson, 1833) -- valid -- Short-legged Ground Roller, Short-legged Ground-roller, Carraca terrestre paticorta, Brachyptérolle leptosome
  Brachypteracias squamigera Lafresnaye, 1838 -- invalid
  Brachypteraciidae -- valid -- Ground Rollers, Ground-rollers
  Brachypteryx Horsfield, 1821 -- valid
  Brachypteryx hyperythra Blyth, 1861 -- valid -- Rusty-bellied Shortwing
  Brachypteryx leucophrys (Temminck, 1828) -- invalid -- Lesser Shortwing
  Brachypteryx major (Jerdon, 1844) -- invalid -- White-bellied Shortwing
  Brachypteryx montana Horsfield, 1821 -- valid -- White-browed Shortwing
  Brachypteryx stellata Gould, 1868 -- invalid -- Gould's Shortwing
  Brachyramphus J. F. Brandt, 1837 -- valid -- Marbled Murrelets
  Brachyramphus brevirostris (Vigors, 1829) -- valid -- Kittlitz's Murrelet, Guillemot de Kittlitz, Mérgulo piquicorto, mérgulo-de-bico-curto
  Brachyramphus marmoratus (J. F. Gmelin, 1789) -- valid -- Marbled Murrelet, Guillemot marbré, Mérgulo jaspeado americano, mérgulo-marmorizado
  Brachyramphus perdix (Pallas, 1811) -- valid -- Long-billed Murrelet, Guillemot à long bec, Mérgulo jaspeado asiático
  Bradornis A. Smith, 1847 -- valid
  Bradornis infuscatus (A. Smith, 1839) -- valid -- Chat Flycatcher
  Bradornis mariquensis A. Smith, 1847 -- valid -- Marico Flycatcher
  Bradornis microrhynchus Reichenow, 1887 -- valid -- African Grey Flycatcher
  Bradornis pallidus (J. W. von Müller, 1851) -- valid -- Pale Flycatcher
  Bradornis pumilus Sharpe, 1895 -- invalid -- Ethiopian Grey Flycatcher
  Bradypterus Swainson, 1837 -- valid
  Bradypterus accentor (Sharpe, 1888) -- invalid -- Friendly Bush Warbler
  Bradypterus alfredi Hartlaub, 1890 -- valid -- Bamboo Warbler
  Bradypterus baboecala (Vieillot, 1817) -- valid -- Little Rush Warbler
  Bradypterus barratti Sharpe, 1876 -- valid -- Barratt's Warbler
  Bradypterus carpalis Chapin, 1916 -- valid -- White-winged Swamp Warbler
  Bradypterus castaneus (Büttikofer, 1893) -- invalid -- Chestnut-backed Bush Warbler
  Bradypterus caudatus (Ogilvie-Grant, 1895) -- invalid -- Long-tailed Bush Warbler
  Bradypterus cinnamomeus (Rüppell, 1840) -- valid -- Cinnamon Bracken Warbler
  Bradypterus grandis Ogilvie-Grant, 1917 -- valid -- Ja River Scrub Warbler
  Bradypterus graueri Neumann, 1908 -- valid -- Grauer's Swamp Warbler
  Bradypterus lopezi (Alexander, 1903) -- valid -- Evergreen Forest Warbler
  Bradypterus luteoventris (Hodgson, 1845) -- invalid -- Brown Bush Warbler
  Bradypterus major (W. E. Brooks, 1871) -- invalid -- Long-billed Bush Warbler
  Bradypterus mariae Madarász, 1905 -- invalid
  Bradypterus palliseri (Blyth, 1851) -- invalid
  Bradypterus seebohmi (Ogilvie-Grant, 1895) -- invalid -- Benguet Bush Warbler
  Bradypterus sylvaticus Sundevall, 1860 -- valid -- Knysna Warbler
  Bradypterus tacsanowskius (Swinhoe, 1871) -- invalid -- Chinese Bush Warbler
  Bradypterus thoracicus (Blyth, 1845) -- invalid -- Spotted Bush Warbler
  Bradypterus victorini Sundevall, 1860 -- invalid
  Branta Scopoli, 1769 -- valid -- Brent Geese
  Branta bernicla (Linnaeus, 1758) -- valid -- Brant Goose, Brent Goose, Ganso de collar, Brant, Bernache cravant, Barnacla carinegra, ganso-de-faces-pretas
  Branta canadensis (Linnaeus, 1758) -- valid -- Ganso canadiense, Canada Goose, Bernache du Canada, Barnacla canadiense grande, ganso-do-canadá
  Branta leucopsis (Bechstein, 1803) -- valid -- Barnacle Goose, Bernache nonnette, Barnacla cariblanca, ganso-marisco
  Branta ruficollis (Pallas, 1769) -- valid -- Red-breasted Goose, Bernache à cou roux, Barnacla cuelliroja, ganso-de-peito-ruivo
  Branta sandvicensis (Vigors, 1834) -- valid -- Hawaiian Goose, Nene, Bernache néné, Barnacla nené, ganso-havaiano
  Brotogeris Vigors, 1825 -- valid -- Canary-winged Parakeets
  Brotogeris chiriri (Vieillot, 1818) -- valid -- Yellow-chevroned Parakeet, Toui à ailes jaunes, Catita chirirí, periquito-de-encontro-amarelo
  Brotogeris chrysopterus (Linnaeus, 1766) -- invalid
  Brotogeris cyanoptera (Pelzeln, 1870) -- valid -- Cobalt-winged Parakeet, Toui de Deville, Catita aliazul, periquito-de-asa-azul
  Brotogeris jugularis (P. L. S. Müller, 1776) -- valid -- Orange-chinned Parakeet, Perico ala amarilla, Toui à menton d'or, Catita churica, periquito-de-queixo-laranja
  Brotogeris pyrrhopterus (Latham, 1802) -- invalid
  Brotogeris sanctithomae (P. L. S. Müller, 1776) -- valid -- Tui Parakeet, Toui à front d'or, Catita frentigualda, periquito-testinha
  Brotogeris tirica (J. F. Gmelin, 1788) -- valid -- Plain Parakeet, Toui tirica, Catita tirica, periquito-verde
  Brotogeris versicolurus (P. L. S. Müller, 1776) -- valid -- White-winged Parakeet, Canary-winged Parakeet, Toui à ailes variées, Catita versicolor, periquito-da-campina
  Buarremon Bonaparte, 1850 -- invalid
  Buarremon brunneinuchus (Lafresnaye, 1839) -- invalid
  Buarremon torquatus (d'Orbigny & Lafresnaye, 1837) -- invalid -- Stripe-headed Brush Finch, Stripe-headed Brush-Finch
  Buarremon virenticeps Bonaparte, 1855 -- invalid -- Green-striped Brush-Finch, Green-striped Brush Finch
  Bubalornis A. Smith, 1836 -- valid
  Bubalornis albirostris (Vieillot, 1817) -- valid -- White-billed Buffalo Weaver
  Bubalornis niger A. Smith, 1836 -- valid -- Red-billed Buffalo Weaver
  Bubo Duméril, 1805 -- valid -- Horned Owls
  Bubo africanus (Temminck, 1821) -- valid -- Spotted Eagle-Owl
  Bubo ascalaphus Savigny, 1809 -- valid -- Pharaoh Eagle-Owl
  Bubo bengalensis (Franklin, 1831) -- valid -- Indian Eagle-Owl
  Bubo bubo (Linnaeus, 1758) -- valid -- Eurasian Eagle-Owl
  Bubo capensis A. Smith, 1834 -- valid -- Cape Eagle-Owl
  Bubo coromandus (Latham, 1790) -- valid -- Dusky Eagle-Owl
  Bubo lacteus (Temminck, 1820) -- valid -- Verreaux's Eagle-Owl
  Bubo leucostictus Hartlaub, 1855 -- valid -- Akun Eagle-Owl
  Bubo nipalensis Hodgson, 1836 -- valid -- Spot-bellied Eagle-Owl
  Bubo philippensis Kaup, 1851 -- valid -- Philippine Eagle-Owl
  Bubo poensis Fraser, 1854 -- valid -- Fraser's Eagle-Owl
  Bubo shelleyi (Sharpe & Ussher, 1872) -- valid -- Shelley's Eagle-Owl
  Bubo sumatranus (Raffles, 1822) -- valid -- Barred Eagle-Owl
  Bubo virginianus (J. F. Gmelin, 1788) -- valid -- Búho cornudo, Great Horned Owl, grand-duc d'Amérique
  Bubo virginianus algistus (Oberholser, 1904) -- valid
  Bubo vosseleri Reichenow, 1908 -- valid -- Usambara Eagle-Owl
  Bubulcus Bonaparte, 1855 -- valid -- Cattle Egrets
  Bubulcus ibis (Linnaeus, 1758) -- valid -- Garza ganadera, Cattle Egret, Héron garde-boeufs, Western Cattle Egret
  Buccanodon Hartlaub, 1857 -- invalid
  Buccanodon duchaillui (Cassin, 1855) -- valid -- Yellow-spotted Barbet
  Bucco Brisson, 1760 -- valid
  Bucco capensis Linnaeus, 1766 -- valid -- Collared Puffbird
  Bucco macrodactylus (von Spix, 1824) -- valid -- Chestnut-capped Puffbird
  Bucco noanamae Hellmayr, 1909 -- valid -- Sooty-capped Puffbird
  Bucco tamatia J. F. Gmelin, 1788 -- valid -- Spotted Puffbird
  Bucconidae -- valid -- Puffbirds
  Bucephala S. F. Baird, 1858 -- valid -- Goldeneyes
  Bucephala albeola (Linnaeus, 1758) -- valid -- Pato monja, Bufflehead, Petit Garrot, Porrón albeola, olho-dourado-de-touca
  Bucephala clangula (Linnaeus, 1758) -- valid -- Pato chillón, Common Goldeneye, Garrot à oeil d'or, Porrón osculado, olho-dourado
  Bucephala islandica (J. F. Gmelin, 1789) -- valid -- Barrow's Goldeneye, Garrot d'Islande, Porrón islándico, olho-dourado-da-islândia
  Buceros Linnaeus, 1758 -- valid
  Buceros bicornis Linnaeus, 1758 -- valid -- Great Hornbill, calau-bicórnio, Cálao bicorne, Calao bicorne
  Buceros hydrocorax Linnaeus, 1766 -- valid -- Rufous Hornbill, calau-rufo, Cálao rojizo norteño, Calao à casque plat, Northern Rufous Hornbill
  Buceros rhinoceros Linnaeus, 1758 -- valid -- Rhinoceros Hornbill, calau-rinoceronte, Cálao rinoceronte, Calao rhinocéros
  Buceros vigil Pennant in J. R. Forster, 1781 -- invalid -- Helmeted Hornbill
  Bucerotidae -- valid -- Hornbills
  Bucerotiformes -- valid -- Hoopoes, Hornbills
  Bucorvidae -- valid -- Ground Hornbills
  Bucorvus R. Lesson, 1830 -- valid
  Bucorvus abyssinicus (Boddaert, 1783) -- valid -- Northern Ground Hornbill, Abyssinian Ground Hornbill, calau-da-abissínia, Cálao terrestre norteño, Bucorve d'Abyssinie, Abyssinian Ground-Hornbill, Northern Ground-hornbill
  Bucorvus leadbeateri (Vigors, 1825) -- valid -- Southern Ground Hornbill, calau-gigante, Cálao terrestre sureño, Bucorve du Sud, Southern Ground-hornbill
  Buettikoferella Stresemann, 1928 -- valid
  Buettikoferella bivittata (Bonaparte, 1850) -- valid -- Buff-banded Thicketbird
  Bulweria Bonaparte, 1843 -- valid -- Bulwer's Petrels
  Bulweria bulwerii (Jardine & Selby, 1828) -- valid -- Pétrel de Bulwer, Bulwer's Petrel
  Bulweria fallax Jouanin, 1955 -- valid -- Jouanin's Petrel, Pétrel de Jouanin
  Buphagus Brisson, 1760 -- valid
  Buphagus africanus Linnaeus, 1766 -- valid -- Yellow-billed Oxpecker
  Buphagus erythrorhynchus (Stanley, 1814) -- valid -- Red-billed Oxpecker
  Burgeranus Gloger, 1842 -- invalid
  Burgeranus carunculatus (Gmelin, 1789) -- invalid
  Burhinidae Mathews, 1912 -- valid -- Thick-knees, Stone-curlews
  Burhinus Illiger, 1811 -- valid -- Thick-knees
  Burhinus bistriatus (Wagler, 1829) -- valid -- Double-striped Thick-knee, Alcaraván americano, Oedicnème bistrié, Alcaraván venezolano, téu-téu-da-savana
  Burhinus capensis (M. H. K. Lichtenstein, 1823) -- valid -- Spotted Thick-knee, Oedicnème tachard, Alcaraván de El Cabo, alcaravão-do-cabo, Spotted Dikkop
  Burhinus giganteus (Wagler, 1829) -- invalid
  Burhinus grallarius (Latham, 1801) -- valid -- Bush Stone-curlew, Oedicnème bridé, Alcaraván colilargo, téu-téu-da-mata, Bush Thick-knee
  Burhinus oedicnemus (Linnaeus, 1758) -- valid -- Eurasian Stone-curlew, Oedicnème criard, Alcaraván común, alcaravão, Eurasian Thick-knee
  Burhinus recurvirostris (Cuvier, 1829) -- invalid
  Burhinus senegalensis (Swainson, 1837) -- valid -- Senegal Thick-knee, Oedicnème du Sénégal, Alcaraván senegalés, alcaravão-do-senegal
  Burhinus superciliaris (Tschudi, 1843) -- valid -- Peruvian Thick-knee, Oedicnème du Pérou, Alcaraván peruano, téu-téu-de-pescoço-pardo
  Burhinus vermiculatus (Cabanis, 1868) -- valid -- Water Thick-knee, Oedicnème vermiculé, Alcaraván acuático, alcaravão-d'água, Water Dikkop
  Busarellus Lesson, 1843 -- valid
  Busarellus nigricollis (Latham, 1790) -- valid -- Aguililla canela, Black-collared Hawk, Busarelle à tête blanche
  Butastur Hodgson, 1843 -- valid
  Butastur indicus (Gmelin, 1788) -- valid -- Grey-faced Buzzard
  Butastur liventer (Temminck, 1827) -- valid -- Rufous-winged Buzzard
  Butastur rufipennis (Sundevall, 1850) -- valid -- Grasshopper Buzzard
  Butastur teesa (Franklin, 1831) -- valid -- White-eyed Buzzard
  Buteo Lacepede, 1799 -- valid -- Buteonine Hawks
  Buteo albicaudatus Vieillot, 1816 -- valid -- White-tailed Hawk, Aguililla cola blanca, Buse à queue blanche
  Buteo albigula Philippi, 1899 -- valid -- White-throated Hawk
  Buteo albonotatus Kaup, 1847 -- valid -- Zone-tailed Hawk, Aguililla aura, Buse à queue barrée
  Buteo archeri W. L. Sclater, 1918 -- valid -- Archer's Buzzard
  Buteo augur (Ruppell, 1836) -- valid -- Augur Buzzard
  Buteo auguralis Salvadori, 1865 -- valid -- Red-necked Buzzard
  Buteo brachypterus Hartlaub, 1860 -- valid -- Madagascar Buzzard
  Buteo brachyurus Vieillot, 1816 -- valid -- Short-tailed Hawk, Aguililla cola corta, Buse à queue courte
  Buteo buteo (Linnaeus, 1758) -- valid -- Common Buzzard
  Buteo galapagoensis (Gould, 1837) -- valid -- Galapagos Hawk
  Buteo hemilasius Temminck & Schlegel, 1844 -- valid -- Upland Buzzard
  Buteo jamaicensis (Gmelin, 1788) -- valid -- Aguililla cola roja, Red-tailed Hawk, Buse à queue rousse
  Buteo lagopus (Pontoppidan, 1763) -- valid -- Aguililla ártica, Rough-legged Hawk, Roughleg, Buse pattue, Rough-legged Buzzard
  Buteo leucorrhous (Quoy & Gaimard, 1824) -- invalid -- White-rumped Hawk
  Buteo lineatus (Gmelin, 1788) -- valid -- Aguililla pecho rojo, Red-shouldered Hawk, Buse à épaulettes
  Buteo magnirostris (Gmelin, 1788) -- invalid -- Roadside Hawk, Buse à gros bec
  Buteo oreophilus Hartert & Neumann, 1914 -- valid -- Mountain Buzzard
  Buteo platypterus (Vieillot, 1823) -- valid -- Aguililla ala ancha, Broad-winged Hawk, Petite Buse
  Buteo polyosoma (Quoy & Gaimard, 1824) -- valid -- Variable Hawk
  Buteo regalis (G. R. Gray, 1844) -- valid -- Ferruginous Hawk, Aguililla real, Buse rouilleuse
  Buteo ridgwayi (Cory, 1883) -- valid -- Ridgway's Hawk, Buse de Ridgway
  Buteo rufinus (Cretzschmar, 1829) -- valid -- Long-legged Buzzard
  Buteo rufofuscus (J. R. Forster, 1798) -- valid -- Jackal Buzzard
  Buteo solitarius Peale, 1848 -- valid -- Hawaiian Hawk, Buse d'Hawaï, 'Io
  Buteo swainsoni Bonaparte, 1838 -- valid -- Aguililla de Swainson, Swainson's Hawk, Buse de Swainson
  Buteo ventralis Gould, 1837 -- valid -- Rufous-tailed Hawk
  Buteogallus Lesson, 1830 -- valid -- Black-Hawks
  Buteogallus aequinoctialis (Gmelin, 1788) -- valid -- Rufous Crab Hawk
  Buteogallus anthracinus (Deppe, 1830) -- valid -- Common Black-Hawk, Aguililla-negra menor, Common Black Hawk, Buse noire
  Buteogallus meridionalis (Latham, 1790) -- valid -- Savanna Hawk, Buse roussâtre
  Buteogallus subtilis (Thayer & Bangs, 1905) -- invalid -- Mangrove Black-Hawk
  Buteogallus urubitinga (Gmelin, 1788) -- valid -- Aguililla-negra mayor, Great Black-Hawk, Great Black Hawk, Buse urubu
  Buthraupis Cabanis, 1851 -- valid
  Buthraupis aureodorsalis Blake & Hocking, 1974 -- invalid -- Golden-backed Mountain Tanager
  Buthraupis eximia (Boissonneau, 1840) -- invalid -- Black-chested Mountain Tanager
  Buthraupis montana (d'Orbigny & Lafresnaye, 1837) -- valid -- Hooded Mountain Tanager, Tangara montagnard, Tangara montana, Hooded Mountain-tanager
  Buthraupis wetmorei (R. T. Moore, 1934) -- invalid -- Masked Mountain Tanager
  Butorides Blyth, 1852 -- valid -- Green-backed Herons
  Butorides striatus (Linnaeus, 1758) -- invalid -- Green-backed Heron
  Butorides sundevalli (Reichenow, 1877) -- valid -- Lava Heron
  Butorides virescens (Linnaeus, 1758) -- valid -- Green Heron, Garceta verde, Héron vert
  Cacatua Vieillot, 1817 -- valid -- Cockatoos
  Cacatua alba (P. L. S. Müller, 1776) -- valid -- White Cockatoo, Cacatoès blanc, Cacatúa blanca, catatua-branca
  Cacatua ducorpsii Pucheran, 1853 -- valid -- Broad-crested Corella, Solomons Cockatoo, Solomon Islands Corella, Solomons Corella, Ducorps's Cockatoo, Cacatoès de Ducorps, Cacatúa de las Salomón, cacatua-ducorps
  Cacatua galerita (Latham, 1790) -- valid -- Sulphur-crested Cockatoo, Cacatoès à huppe jaune, Cacatúa galerita, cacatua-de-crista-amarela
  Cacatua goffini (Finsch, 1863) -- invalid
  Cacatua haematuropygia (P. L. S. Müller, 1776) -- valid -- Red-vented Cockatoo, Philippine Cockatoo, Cacatoès des Philippines, Cacatúa filipina, catatua-filipina
  Cacatua leadbeateri (Vigors, 1831) -- valid -- Major Mitchell's Cockatoo, Pink Cockatoo
  Cacatua moluccensis (J. F. Gmelin, 1788) -- valid -- Salmon-crested Cockatoo, Cacatoès à huppe rouge, Cacatúa moluqueña, cacatua-das-molucas
  Cacatua ophthalmica P. L. Sclater, 1864 -- valid -- Blue-eyed Cockatoo, Cacatoès aux yeux bleus, Cacatúa oftálmica, cacatua-de-olhos-azuis
  Cacatua pastinator (Gould, 1841) -- valid -- Western Corella, Cacatoès laboureur, Cacatúa cavadora, cacatua-pastinator
  Cacatua sanguinea Gould, 1843 -- valid -- Little Corella, Cacatoès corella, Cacatúa sanguínea, cacatua-corella-pequena
  Cacatua sulphurea (J. F. Gmelin, 1788) -- valid -- Yellow-crested Cockatoo, Cacatoès soufré, Cacatúa sulfúrea, cacatua-de-crista-amarela
  Cacatua tenuirostris (Kuhl, 1820) -- valid -- Long-billed Corella, Cacatoès nasique, Cacatúa picofina, cacatua-corella-de-bico-longo
  Cacicus Lacepede, 1799 -- valid
  Cacicus cela (Linnaeus, 1758) -- valid -- Yellow-rumped Cacique
  Cacicus chrysonotus (Lafresnaye & Orbigny, 1838) -- valid -- Southern Mountain Cacique
  Cacicus chrysopterus (Vigors, 1825) -- valid -- Golden-winged Cacique
  Cacicus haemorrhous (Linnaeus, 1766) -- valid -- Red-rumped Cacique
  Cacicus koepckeae Lowery & O'Neill, 1965 -- valid -- Selva Cacique
  Cacicus melanicterus (Bonaparte, 1825) -- valid -- Cacique mexicano, Yellow-winged Cacique, Mexican Cacique
  Cacicus sclateri (Dubois, 1887) -- valid -- Ecuadorian Cacique
  Cacicus solitarius (Vieillot, 1816) -- valid -- Solitary Cacique
  Cacicus uropygialis Lafresnaye, 1843 -- valid -- Subtropical Cacique, Scarlet-rumped Cacique
  Cacomantis S. Muller, 1843 -- valid
  Cacomantis castaneiventris (Gould, 1867) -- valid -- Chestnut-breasted Cuckoo
  Cacomantis flabelliformis (Latham, 1802) -- valid -- Fan-tailed Cuckoo
  Cacomantis heinrichi Stresemann, 1931 -- invalid
  Cacomantis merulinus (Scopoli, 1786) -- valid -- Plaintive Cuckoo
  Cacomantis passerinus (Vahl, 1797) -- valid -- Grey-bellied Cuckoo
  Cacomantis sepulcralis (S. Muller, 1843) -- invalid
  Cacomantis sonneratii (Latham, 1790) -- valid -- Banded Bay Cuckoo
  Cacomantis variolosus (Vigors & Horsfield, 1827) -- valid -- Brush Cuckoo
  Cairina J. Fleming, 1822 -- valid
  Cairina moschata (Linnaeus, 1758) -- valid -- Muscovy Duck, Pato real, Canard musqué, Pato criollo, pato-do-mato
  Cairina scutulata (S. Müller, 1842) -- invalid -- White-winged Wood Duck
  Calamanthus Gould, 1838 -- valid
  Calamanthus campestris (Gould, 1841) -- valid -- Rufous Fieldwren
  Calamanthus fuliginosus (Vigors & Horsfield, 1827) -- valid -- Striated Fieldwren
  Calamonastes Sharpe, 1883 -- valid
  Calamonastes fasciolatus (A. Smith, 1847) -- valid -- Barred Wren-Warbler
  Calamonastes simplex (Cabanis, 1878) -- valid -- Grey Wren-Warbler
  Calamonastes stierlingi Reichenow, 1901 -- valid -- Stierling's Wren-Warbler
  Calamospiza Bonaparte, 1838 -- valid -- Lark Buntings
  Calamospiza melanocorys Stejneger, 1885 -- valid -- Chingolo albinegro, Lark Bunting, bruant noir et blanc, Gorrión ala blanca
  Calandrella Kaup, 1829 -- valid
  Calandrella acutirostris Hume, 1873 -- valid -- Hume's Short-toed Lark
  Calandrella athensis (Sharpe, 1900) -- valid -- Athi Short-toed Lark
  Calandrella blanfordi (Shelley, 1902) -- valid -- Blanford's Short-toed Lark
  Calandrella brachydactyla (Leisler, 1814) -- valid -- Greater Short-toed Lark
  Calandrella cheleensis (Swinhoe, 1871) -- valid -- Asian Short-toed Lark
  Calandrella cinerea (Gmelin, 1789) -- valid -- Red-capped Lark
  Calandrella erlangeri (Neumann, 1906) -- valid -- Erlanger's Lark
  Calandrella raytal (Blyth, 1845) -- valid -- Sand Lark
  Calandrella rufescens (Vieillot, 1819) -- valid -- Lesser Short-toed Lark
  Calandrella somalica (Sharpe, 1895) -- valid -- Somali Short-toed Lark
  Calcarius Bechstein, 1802 -- valid -- Longspurs
  Calcarius lapponicus (Linnaeus, 1758) -- valid -- Escribano ártico, Lapland Longspur, bruant lapon
  Calcarius mccownii (Lawrence, 1851) -- invalid
  Calcarius ornatus (J. K. Townsend, 1837) -- valid -- Chestnut-collared Longspur, Escribano collar castaño
  Calcarius pictus (Swainson, 1832) -- valid -- Smith's Longspur, bruant de Smith
  Calicalicus Bonaparte, 1854 -- valid
  Calicalicus madagascariensis (Linnaeus, 1766) -- valid -- Red-tailed Vanga
  Calicalicus rufocarpalis Goodman, Hawkins & Domergue, 1997 -- valid -- Red-shouldered Vanga
  Calidris Merrem, 1804 -- valid -- Stints
  Calidris acuminata (Horsfield, 1821) -- valid -- Sharp-tailed Sandpiper, Bécasseau à queue pointue, Correlimos acuminado, pilrito-acuminado
  Calidris alba (Pallas, 1764) -- valid -- Playero blanco, Sanderling, Bécasseau sanderling, Correlimos tridáctilo, maçarico-branco, pilrito-das-praias
  Calidris alpina (Linnaeus, 1758) -- valid -- Playero dorso rojo, Dunlin, Bécasseau variable, Correlimos común, pilrito-de-peito-preto
  Calidris bairdii (Coues, 1861) -- valid -- Playero de Baird, Baird's Sandpiper, Bécasseau de Baird, Correlimos de Baird, maçarico-de-bico-fino, pilrito-de-bico-fino
  Calidris canutus (Linnaeus, 1758) -- valid -- Playero canuto, Red Knot, Bécasseau maubèche, Correlimos gordo, maçarico-de-papo-vermelho, seixoeira
  Calidris ferruginea (Pontoppidan, 1763) -- valid -- Curlew Sandpiper, Bécasseau cocorli, Correlimos zarapitín, pilrito-de-bico-comprido
  Calidris fuscicollis (Vieillot, 1819) -- valid -- Playero rabadilla blanca, White-rumped Sandpiper, Bécasseau à croupion blanc, Correlimos culiblanco, maçarico-de-sobre-branco, pilrito-de-sobre-branco
  Calidris himantopus (Bonaparte, 1826) -- valid -- Playero zancón, Stilt Sandpiper, Bécasseau à échasses, Correlimos zancolín, maçarico-pernilongo, pilrito-pernilongo
  Calidris maritima (Brünnich, 1764) -- valid -- Purple Sandpiper, Bécasseau violet, Correlimos oscuro, pilrito-escuro
  Calidris mauri (Cabanis, 1857) -- valid -- Playero occidental, Western Sandpiper, Bécasseau d'Alaska, Correlimos de Alaska, pilrito-miúdo
  Calidris melanotos (Vieillot, 1819) -- valid -- Playero pectoral, Pectoral Sandpiper, Bécasseau à poitrine cendrée, Correlimos pectoral, maçarico-de-colete, pilrito-de-colete
  Calidris minuta (Leisler, 1812) -- valid -- Little Stint, Bécasseau minute, Correlimos menudo, pilrito-pequeno
  Calidris minutilla (Vieillot, 1819) -- valid -- Playero chichicuilote, Least Sandpiper, Bécasseau minuscule, Correlimos menudillo, maçariquinho, pilrito-anão
  Calidris ptilocnemis (Coues, 1873) -- valid -- Rock Sandpiper, Bécasseau des Aléoutiennes, Correlimos roquero, maçarico-das-rochas
  Calidris pusilla (Linnaeus, 1766) -- valid -- Playero semipalmeado, Semipalmated Sandpiper, Bécasseau semipalmé, Correlimos semipalmeado, maçarico-rasteirinho, pilrito-rasteirinho
  Calidris ruficollis (Pallas, 1776) -- valid -- Red-necked Stint, Bécasseau à col roux, Correlimos cuellirrojo, pilrito-de-pescoço-ruivo
  Calidris subminuta (Middendorff, 1853) -- valid -- Long-toed Stint, Bécasseau à longs doigts, Correlimos dedilargo, pilrito-de-dedos-compridos
  Calidris temminckii (Leisler, 1812) -- valid -- Temminck's Stint, Bécasseau de Temminck, Correlimos de Temminck, pilrito-de-temminck
  Calidris tenuirostris (Horsfield, 1821) -- valid -- Great Knot, Bécasseau de l'Anadyr, Correlimos grande, seixoeira-grande
  Caliechthrus Cabanis & Heine, 1863 -- valid
  Caliechthrus leucolophus (S. Muller, 1840) -- valid
  Callacanthis Reichenbach, 1850 -- valid
  Callacanthis burtoni (Gould, 1838) -- valid -- Spectacled Finch
  Callaeas J. R. Forster, 1788 -- valid
  Callaeas cinerea (Gmelin, 1788) -- invalid -- Kokako
  Callaeatidae Sundevall, 1836 -- valid -- Wattled Crows
  Callipepla Wagler, 1832 -- valid -- Crested Quails
  Callipepla californica (Shaw, 1798) -- valid -- Colin de Californie, Colín de California, codorniz-da-califórnia, Codorniz californiana, Californian Quail, California Quail
  Callipepla douglasii (Vigors, 1829) -- valid -- Colin élégant, Colín elegante, colim-elegante, Codorniz cresta dorada, Elegant Quail
  Callipepla gambelii (Gambel, 1843) -- valid -- Colin de Gambel, Colín de Gambel, colim-de-elmo, Gambel's Quail, Codorniz chiquiri
  Callipepla squamata (Vigors, 1830) -- valid -- Colin écaillé, Colín escamado, colim-escamoso, Scaled Quail, Codorniz escamosa
  Calliphlox F. Boie, 1831 -- valid -- Woodstars
  Calliphlox amethystina (Boddaert, 1783) -- valid -- Amethyst Woodstar
  Calliphlox evelynae (Bourcier, 1847) -- invalid -- Bahaman Woodstar, Bahama Woodstar
  Callocephalon R. Lesson, 1837 -- valid
  Callocephalon fimbriatum (J. Grant, 1803) -- valid -- Gang-gang Cockatoo, Cacatoès à tête rouge, Cacatúa gangang, cacatua-gang-gang
  Callonetta Delacour, 1936 -- valid
  Callonetta leucophrys (Vieillot, 1816) -- valid -- Ringed Teal, Canard à collier noir, Pato acollarado, marreca-de-coleira
  Calochaetes P. L. Sclater, 1879 -- valid
  Calochaetes coccineus (P. L. Sclater, 1858) -- valid -- Vermilion Tanager, Tangara carmin, Tangara bermellón
  Calocitta G. R. Gray, 1841 -- valid
  Calocitta colliei (Vigors, 1829) -- valid -- Urraca-hermosa cara negra, Black-throated Magpie-Jay
  Calocitta formosa (Swainson, 1827) -- valid -- Urraca-hermosa cara blanca, White-throated Magpie-Jay
  Caloenas G. R. Gray, 1840 -- valid -- Nicobar Pigeons
  Caloenas nicobarica (Linnaeus, 1758) -- valid -- Nicobar Pigeon
  Calonectris Mathews & Iredale, 1915 -- valid
  Calonectris diomedea (Scopoli, 1769) -- valid -- Puffin cendré, Pardela de Cory, Cory's Shearwater, puffin cendrée
  Calonectris leucomelas (Temminck, 1836) -- valid -- Puffin leucomèle, Streaked Shearwater
  Caloperdix Blyth, 1861 -- valid -- Ferruginous Partridge
  Caloperdix oculea (Temminck, 1815) -- invalid
  Caloramphus R. Lesson, 1839 -- valid
  Caloramphus fuliginosus (Temminck, 1830) -- valid -- Brown Barbet
  Calothorax G. R. Gray, 1840 -- valid -- Lucifer Hummingbirds
  Calothorax lucifer (Swainson, 1827) -- valid -- Lucifer Hummingbird, Colibrí lucifer, Lucifer Sheartail
  Calothorax pulcher Gould, 1859 -- valid -- Colibrí oaxaqueño, Beautiful Sheartail, Beautiful Hummingbird
  Calypte Gould, 1856 -- valid -- Capped Hummingbirds
  Calypte anna (R. Lesson, 1829) -- valid -- Anna's Hummingbird, Colibrí cabeza roja
  Calypte costae (Bourcier, 1839) -- valid -- Costa's Hummingbird, Colibrí cabeza violeta
  Calyptocichla Oberholser, 1905 -- valid
  Calyptocichla serina (J. Verreaux & E. Verreaux, 1855) -- invalid -- Golden Greenbul
  Calyptomena Raffles, 1822 -- valid
  Calyptomena hosii Sharpe, 1892 -- valid -- Hose's Broadbill
  Calyptomena viridis Raffles, 1822 -- valid -- Green Broadbill
  Calyptomena whiteheadi Sharpe, 1887 -- valid -- Whitehead's Broadbill
  Calyptophilus Cory, 1884 -- valid
  Calyptophilus frugivorus (Cory, 1883) -- valid -- Eastern Chat-Tanager, Konichon dominicain, Tangara dominicana, saíra-de-hispaniola, Eastern Chat-tanager
  Calyptophilus tertius Wetmore, 1929 -- valid -- Western Chat-Tanager, Konichon d'Haïti, Tangara haitiana, Western Chat-tanager
  Calyptorhynchus Desmarest, 1826 -- valid
  Calyptorhynchus banksii (Latham, 1790) -- valid -- Red-tailed Black Cockatoo, Red-tailed Black-cockatoo, Cacatoès banksien, Cacatúa colirroja, cacatua-negra-de-cauda-vermelha
  Calyptorhynchus baudinii Lear, 1832 -- invalid -- Long-billed Black Cockatoo, Baudin's Black Cockatoo, Baudin's Black-Cockatoo
  Calyptorhynchus funereus (Shaw, 1794) -- invalid -- Yellow-tailed Black Cockatoo, Yellow-tailed Black-Cockatoo
  Calyptorhynchus lathami (Temminck, 1807) -- valid -- Glossy Black Cockatoo, Glossy Black-cockatoo, Cacatoès de Latham, Cacatúa lustrosa, cacatua-preto-brilhante
  Calyptorhynchus latirostris Carnaby, 1948 -- invalid -- Short-billed Black Cockatoo, Carnaby's Black Cockatoo, Carnaby's Black-Cockatoo
  Calyptura Swainson, 1832 -- valid
  Calyptura cristata (Vieillot, 1818) -- valid -- Kinglet Calyptura
  Camarhynchus Gould, 1837 -- valid
  Camarhynchus crassirostris Gould, 1837 -- invalid -- Vegetarian Finch
  Camarhynchus heliobates (Snodgrass & Heller, 1901) -- valid -- Mangrove Finch, Géospize des mangroves, Pinzón de Darwin manglero, tentilhão-dos-mangues
  Camarhynchus pallidus (P. L. Sclater & Salvin, 1870) -- valid -- Woodpecker Finch, Géospize pique-bois, Pinzón de Darwin carpintero, tentilhão-carpinteiro
  Camarhynchus parvulus (Gould, 1837) -- valid -- Small Tree Finch, Géospize minuscule, Pinzón de Darwin chico, tentilhão-das-árvores-de-bico-pequeno, Small Tree-Finch
  Camarhynchus pauper Ridgway, 1890 -- valid -- Medium Tree Finch, Géospize modeste, Pinzón de Darwin modesto, tentilhão-das-árvores-de-bico-médio, Medium Tree-Finch
  Camarhynchus psittacula Gould, 1837 -- valid -- Large Tree Finch, Géospize psittacin, Pinzón de Darwin lorito, tentilhão-das-árvores-de-bico-grande, Large Tree-Finch
  Camaroptera Sundevall, 1850 -- valid
  Camaroptera brachyura (Vieillot, 1821) -- valid -- Green-backed Camaroptera
  Camaroptera brevicaudata (Cretzschmar, 1830) -- valid -- Grey-backed Camaroptera
  Camaroptera chloronota Reichenow, 1895 -- valid -- Olive-green Camaroptera
  Camaroptera harterti Zedlitz, 1911 -- valid -- Hartert's Camaroptera
  Camaroptera superciliaris (Fraser, 1843) -- valid -- Yellow-browed Camaroptera
  Campephaga Vieillot, 1816 -- valid
  Campephaga flava Vieillot, 1817 -- valid -- Black Cuckooshrike
  Campephaga lobata (Temminck, 1824) -- invalid
  Campephaga oriolina (Bates, 1909) -- invalid
  Campephaga petiti Oustalet, 1884 -- valid -- Petit's Cuckooshrike
  Campephaga phoenicea (Latham, 1790) -- valid -- Red-shouldered Cuckooshrike
  Campephaga quiscalina Finsch, 1869 -- valid -- Purple-throated Cuckooshrike
  Campephilus G. R. Gray, 1840 -- valid
  Campephilus gayaquilensis (R. Lesson, 1845) -- valid -- Guayaquil Woodpecker
  Campephilus guatemalensis (Hartlaub, 1844) -- valid -- Carpintero pico plata, Pale-billed Woodpecker
  Campephilus haematogaster (Tschudi, 1844) -- valid -- Crimson-bellied Woodpecker
  Campephilus imperialis (Gould, 1832) -- valid -- Imperial Woodpecker, Carpintero imperial
  Campephilus leucopogon (Valenciennes, 1826) -- valid -- Cream-backed Woodpecker
  Campephilus magellanicus (P. P. King, 1827) -- valid -- Magellanic Woodpecker
  Campephilus melanoleucos (J. F. Gmelin, 1788) -- valid -- Crimson-crested Woodpecker
  Campephilus pollens (Bonaparte, 1845) -- valid -- Powerful Woodpecker
  Campephilus principalis (Linnaeus, 1758) -- valid -- Ivory-billed Woodpecker
  Campephilus robustus (M. H. K. Lichtenstein, 1818) -- valid -- Robust Woodpecker
  Campephilus rubricollis (Boddaert, 1783) -- valid -- Red-necked Woodpecker
  Campethera G. R. Gray, 1841 -- valid
  Campethera abingoni (A. Smith, 1836) -- valid -- Golden-tailed Woodpecker
  Campethera bennettii (A. Smith, 1836) -- valid -- Bennett's Woodpecker
  Campethera cailliautii (Malherbe, 1849) -- valid -- Green-backed Woodpecker
  Campethera caroli (Malherbe, 1852) -- invalid -- Brown-eared Woodpecker
  Campethera maculosa (Valenciennes, 1826) -- valid -- Little Green Woodpecker
  Campethera mombassica (G. A. Fischer & Reichenow, 1884) -- valid -- Mombasa Woodpecker
  Campethera nivosa (Swainson, 1837) -- invalid -- Buff-spotted Woodpecker
  Campethera notata (M. H. K. Lichtenstein, 1823) -- valid -- Knysna Woodpecker
  Campethera nubica (Boddaert, 1783) -- valid -- Nubian Woodpecker
  Campethera punctuligera (Wagler, 1827) -- valid -- Fine-spotted Woodpecker
  Campethera scriptoricauda (Reichenow, 1896) -- valid -- Speckle-throated Woodpecker
  Campethera tullbergi Sjöstedt, 1892 -- valid -- Tullberg's Woodpecker
  Campochaera Sharpe, 1878 -- valid
  Campochaera sloetii (Schlegel, 1866) -- valid -- Golden Cuckooshrike
  Camptorhynchus Bonaparte, 1838 -- valid -- Labrador Ducks
  Camptorhynchus labradorius (J. F. Gmelin, 1789) -- valid -- Labrador Duck, Eider du Labrador, Pato del Labrador, pato-do-labrador
  Camptostoma P. L. Sclater, 1857 -- valid -- Beardless-Tyrannulets
  Camptostoma imberbe P. L. Sclater, 1857 -- valid -- Northern Beardless-Tyrannulet, Mosquero lampiño, Northern Beardless Tyrannulet
  Camptostoma obsoletum (Temminck, 1824) -- valid -- Southern Beardless-Tyrannulet, Southern Beardless Tyrannulet
  Campylopterus Swainson, 1827 -- valid
  Campylopterus curvipennis (Deppe, 1830) -- invalid -- Fandanguero cola cuña, Wedge-tailed Sabrewing, Curve-winged Sabrewing
  Campylopterus cuvierii (Delattre & Bourcier, 1846) -- invalid -- Scaly-breasted Hummingbird
  Campylopterus cuvierii berlepschi (Hellmayr, 1915) -- invalid
  Campylopterus duidae Chapman, 1929 -- valid -- Buff-breasted Sabrewing
  Campylopterus ensipennis (Swainson, 1822) -- valid -- White-tailed Sabrewing
  Campylopterus excellens (Wetmore, 1941) -- invalid -- Fandanguero cola larga, Long-tailed Sabrewing
  Campylopterus falcatus (Swainson, 1821) -- valid -- Lazuline Sabrewing
  Campylopterus hemileucurus (Deppe, 1830) -- valid -- Violet Sabrewing
  Campylopterus hyperythrus Cabanis, 1849 -- valid -- Rufous-breasted Sabrewing
  Campylopterus largipennis (Boddaert, 1783) -- valid -- Grey-breasted Sabrewing, Gray-breasted Sabrewing
  Campylopterus phainopeplus Salvin & Godman, 1879 -- valid -- Santa Marta Sabrewing
  Campylopterus rufus R. Lesson, 1840 -- invalid -- Fandanguero rojizo, Rufous Sabrewing
  Campylopterus villaviscensio (Bourcier, 1851) -- valid -- Napo Sabrewing
  Campylorhamphus W. Bertoni, 1901 -- valid
  Campylorhamphus falcularius (Vieillot, 1822) -- valid -- Black-billed Scythebill
  Campylorhamphus procurvoides (Lafresnaye, 1850) -- valid -- Curve-billed Scythebill
  Campylorhamphus pucherani (DesMurs, 1849) -- invalid
  Campylorhamphus pusillus (P. L. Sclater, 1860) -- valid -- Brown-billed Scythebill
  Campylorhamphus trochilirostris (Lichtenstein, 1820) -- valid -- Red-billed Scythebill
  Campylorhynchus Spix, 1824 -- valid -- Cactus Wrens
  Campylorhynchus albobrunneus (Lawrence, 1862) -- valid -- White-headed Wren
  Campylorhynchus brunneicapillus (Lafresnaye, 1835) -- valid -- Cactus Wren
  Campylorhynchus chiapensis Salvin & Godman, 1891 -- valid -- Giant Wren
  Campylorhynchus fasciatus (Swainson, 1838) -- valid -- Fasciated Wren
  Campylorhynchus griseus (Swainson, 1838) -- valid -- Bicolored Wren
  Campylorhynchus gularis P. L. Sclater, 1861 -- valid -- Matraca serrana, Spotted Wren
  Campylorhynchus jocosus P. L. Sclater, 1860 -- valid -- Matraca del Balsas, Boucard's Wren
  Campylorhynchus megalopterus Lafresnaye, 1845 -- valid -- Gray-barred Wren, Grey-barred Wren
  Campylorhynchus nuchalis Cabanis, 1847 -- valid -- Stripe-backed Wren
  Campylorhynchus rufinucha (Lesson, 1838) -- valid -- Matraca nuca rufa, Rufous-naped Wren
  Campylorhynchus turdinus (Wied-Neuwied, 1821) -- valid -- Thrush-like Wren
  Campylorhynchus yucatanicus (Hellmayr, 1934) -- valid -- Yucatan Wren
  Campylorhynchus zonatus (Lesson, 1832) -- valid -- Matraca tropical, Band-backed Wren
  Canirallus Bonaparte, 1856 -- valid
  Canirallus kioloides (Pucheran, 1845) -- valid -- Madagascar Wood Rail
  Canirallus oculeus (Hartlaub, 1855) -- valid -- Grey-throated Rail
  Capito Vieillot, 1816 -- valid
  Capito aurovirens (Cuvier, 1829) -- valid -- Scarlet-crowned Barbet
  Capito brunneipectus Chapman, 1921 -- valid -- Brown-chested Barbet
  Capito dayi Cherrie, 1916 -- valid -- Black-girdled Barbet
  Capito hypoleucus Salvin, 1897 -- valid -- White-mantled Barbet
  Capito maculicoronatus Lawrence, 1861 -- valid -- Spot-crowned Barbet
  Capito niger (P. L. S. Müller, 1776) -- valid -- Black-spotted Barbet
  Capito quinticolor D. G. Elliot, 1865 -- valid -- Five-colored Barbet
  Capito squamatus Salvin, 1876 -- valid -- Orange-fronted Barbet
  Caprimulgidae -- valid -- Nightjars
  Caprimulgus Linnaeus, 1758 -- valid -- Nightjars
  Caprimulgus aegyptius M. H. K. Lichtenstein, 1823 -- valid -- Egyptian Nightjar
  Caprimulgus affinis Horsfield, 1821 -- valid -- Savanna Nightjar
  Caprimulgus anthonyi (Chapman, 1923) -- invalid -- Anthony's Nightjar
  Caprimulgus asiaticus Latham, 1790 -- valid -- Indian Nightjar
  Caprimulgus atripennis Jerdon, 1845 -- valid -- Jerdon's Nightjar
  Caprimulgus badius (Bangs & Peck, 1908) -- invalid -- Tapacamino huil, Yucatan Nightjar
  Caprimulgus batesi Sharpe, 1906 -- valid -- Bates's Nightjar
  Caprimulgus binotatus Bonaparte, 1850 -- invalid
  Caprimulgus candicans (Pelzeln, 1867) -- invalid -- White-winged Nightjar
  Caprimulgus carolinensis J. F. Gmelin, 1789 -- invalid -- Tapacamino de Carolina, Chuck-will's-widow, engoulevent de Caroline
  Caprimulgus cayennensis J. F. Gmelin, 1789 -- invalid -- White-tailed Nightjar
  Caprimulgus celebensis Ogilvie-Grant, 1894 -- valid -- Sulawesi Nightjar
  Caprimulgus centralasicus Vaurie, 1960 -- valid -- Vaurie's Nightjar
  Caprimulgus clarus Reichenow, 1892 -- valid -- Slender-tailed Nightjar
  Caprimulgus climacurus Vieillot, 1824 -- valid -- Long-tailed Nightjar
  Caprimulgus concretus Bonaparte, 1850 -- valid -- Bonaparte's Nightjar
  Caprimulgus cubanensis (Lawrence, 1861) -- invalid -- Greater Antillean Nightjar
  Caprimulgus donaldsoni Sharpe, 1895 -- valid -- Donaldson-Smith's Nightjar
  Caprimulgus enarratus G. R. Gray, 1871 -- invalid -- Collared Nightjar
  Caprimulgus europaeus Linnaeus, 1758 -- valid -- European Nightjar
  Caprimulgus eximius Temminck, 1826 -- valid -- Golden Nightjar
  Caprimulgus fossii Hartlaub, 1857 -- valid -- Square-tailed Nightjar
  Caprimulgus fraenatus Salvadori, 1884 -- valid -- Sombre Nightjar
  Caprimulgus hirundinaceus von Spix, 1825 -- invalid -- Pygmy Nightjar
  Caprimulgus indicus Latham, 1790 -- valid -- Jungle Nightjar, Grey Nightjar
  Caprimulgus inornatus Heuglin, 1869 -- valid -- Plain Nightjar
  Caprimulgus longirostris Bonaparte, 1825 -- invalid -- Band-winged Nightjar
  Caprimulgus macrurus Horsfield, 1821 -- valid -- Large-tailed Nightjar
  Caprimulgus maculicaudus (Lawrence, 1862) -- invalid -- Tapacamino cola pinta, Spot-tailed Nightjar
  Caprimulgus maculosus (Todd, 1920) -- invalid -- Cayenne Nightjar
  Caprimulgus madagascariensis Sganzin, 1840 -- valid -- Madagascar Nightjar, Madagascan Nightjar
  Caprimulgus mahrattensis Sykes, 1832 -- valid -- Sykes's Nightjar
  Caprimulgus manillensis Walden, 1875 -- valid -- Philippine Nightjar
  Caprimulgus natalensis A. Smith, 1845 -- valid -- Swamp Nightjar
  Caprimulgus nigrescens Cabanis, 1849 -- invalid -- Blackish Nightjar
  Caprimulgus nigriscapularis Reichenow, 1893 -- valid -- Black-shouldered Nightjar
  Caprimulgus noctitherus (Wetmore, 1919) -- invalid -- Puerto Rican Nightjar, Puerto Rican Whip-poor-will
  Caprimulgus nubicus M. H. K. Lichtenstein, 1823 -- valid -- Nubian Nightjar
  Caprimulgus parvulus Gould, 1837 -- invalid -- Little Nightjar
  Caprimulgus pectoralis Cuvier, 1816 -- valid -- Fiery-necked Nightjar
  Caprimulgus poliocephalus Rüppell, 1840 -- valid -- Montane Nightjar
  Caprimulgus prigoginei Louette, 1990 -- valid -- Prigogine's Nightjar
  Caprimulgus pulchellus Salvadori, 1879 -- valid -- Salvadori's Nightjar
  Caprimulgus ridgwayi (Nelson, 1897) -- invalid -- Buff-collared Nightjar, Tapacamino tu-cuchillo
  Caprimulgus ruficollis Temminck, 1820 -- valid -- Red-necked Nightjar
  Caprimulgus rufigena A. Smith, 1845 -- valid -- Rufous-cheeked Nightjar
  Caprimulgus rufus Boddaert, 1783 -- invalid -- Rufous Nightjar
  Caprimulgus ruwenzorii Ogilvie-Grant, 1909 -- invalid -- Ruwenzori Nightjar
  Caprimulgus salvini Hartert, 1892 -- invalid -- Tapacamino ticuer, Tawny-collared Nightjar
  Caprimulgus saturatus (Salvin, 1870) -- invalid -- Dusky Nightjar
  Caprimulgus sericocaudatus (Cassin, 1849) -- invalid -- Silky-tailed Nightjar
  Caprimulgus stellatus Blundell & Lovat, 1899 -- valid -- Star-spotted Nightjar
  Caprimulgus tristigma Rüppell, 1840 -- valid -- Freckled Nightjar
  Caprimulgus vociferus A. Wilson, 1812 -- invalid -- Tapacamino cuerporruín-norteño, Whip-poor-will, engoulevent bois-pourri
  Caprimulgus whitelyi (Salvin, 1885) -- invalid -- Roraiman Nightjar
  Capsiempis Cabanis & Heine, 1859 -- valid
  Capsiempis flaveola (Lichtenstein, 1823) -- valid -- Yellow Tyrannulet
  Caracara Merrem, 1826 -- valid -- Caracaras, Crested Caracaras
  Caracara plancus (J. F. Miller, 1777) -- valid -- Crested Caracara, Southern Caracara, Caracara quebrantahuesos, Southern Crested Caracara, Caracara huppé, Carancho meridional, carcará
  Cardellina Bonaparte, 1850 -- valid -- Red-faced Warblers
  Cardellina rubrifrons (Giraud Jr, 1841) -- valid -- Chipe cara roja, Paruline à face rouge, Red-faced Warbler
  Cardinalis Bonaparte, 1838 -- valid -- Cardinals
  Cardinalis cardinalis (Linnaeus, 1758) -- valid -- Cardenal rojo, Northern Cardinal, cardinal rouge
  Cardinalis phoeniceus Bonaparte, 1838 -- valid -- Vermilion Cardinal
  Cardinalis sinuatus Bonaparte, 1838 -- valid -- Pyrrhuloxia, Cardenal pardo
  Carduelis Brisson, 1760 -- valid -- Goldfinches
  Carduelis ambigua (Oustalet, 1896) -- invalid -- Black-headed Greenfinch
  Carduelis atrata d'Orbigny & Lafresnaye, 1837 -- invalid -- Black Siskin
  Carduelis atriceps (Salvin, 1863) -- invalid -- Jilguero corona negra, Black-capped Siskin
  Carduelis barbata (Molina, 1782) -- invalid -- Black-chinned Siskin
  Carduelis cannabina (Linnaeus, 1758) -- invalid -- Common Linnet
  Carduelis carduelis (Linnaeus, 1758) -- valid -- Eurasian Goldfinch, European Goldfinch, chardonneret élégant
  Carduelis chloris (Linnaeus, 1758) -- invalid -- European Greenfinch
  Carduelis crassirostris (Landbeck, 1877) -- invalid -- Thick-billed Siskin
  Carduelis cucullata Swainson, 1820 -- invalid -- Red Siskin
  Carduelis dominicensis (H. Bryant, 1867) -- invalid -- Antillean Siskin
  Carduelis flammea (Linnaeus, 1758) -- invalid -- Common Redpoll, sizerin flammé
  Carduelis flavirostris (Linnaeus, 1758) -- invalid -- Twite
  Carduelis hornemanni (Holböll, 1843) -- invalid -- Hoary Redpoll, sizerin blanchâtre, Arctic Redpoll
  Carduelis johannis (S. Clarke, 1919) -- invalid -- Warsangli Linnet
  Carduelis lawrencei Cassin, 1850 -- invalid -- Lawrence's Goldfinch, Jilguero gris
  Carduelis magellanica (Vieillot, 1805) -- invalid -- Hooded Siskin
  Carduelis monguilloti (Delacour, 1926) -- invalid -- Vietnamese Greenfinch
  Carduelis notata Du Bus de Gisignies, 1847 -- invalid -- Jilguero encapuchado, Black-headed Siskin
  Carduelis olivacea (von Berlepsch & Stolzmann, 1894) -- invalid -- Olivaceous Siskin
  Carduelis pinus (A. Wilson, 1810) -- invalid -- Jilguero pinero, Pine Siskin, tarin des pins
  Carduelis psaltria (Say, 1822) -- invalid -- Lesser Goldfinch, Jilguero dominico
  Carduelis siemiradzkii (von Berlepsch & Taczanowski, 1884) -- invalid -- Saffron Siskin
  Carduelis sinica (Linnaeus, 1766) -- invalid -- Oriental Goldfinch, Grey-capped Greenfinch, Oriental Greenfinch
  Carduelis spinescens (Bonaparte, 1850) -- invalid -- Andean Siskin
  Carduelis spinoides Vigors, 1831 -- invalid -- Yellow-breasted Greenfinch
  Carduelis spinus (Linnaeus, 1758) -- invalid -- Eurasian Siskin
  Carduelis tristis (Linnaeus, 1758) -- invalid -- Jilguero canario, American Goldfinch, chardonneret jaune
  Carduelis uropygialis (P. L. Sclater, 1862) -- invalid -- Yellow-rumped Siskin
  Carduelis xanthogastra (Du Bus de Gisignies, 1855) -- invalid -- Yellow-bellied Siskin
  Carduelis yarrellii Audubon, 1839 -- invalid -- Yellow-faced Siskin
  Carduelis yemenensis (Ogilvie-Grant, 1913) -- invalid -- Yemen Linnet
  Cariama Brisson, 1760 -- valid
  Cariama cristata (Linnaeus, 1766) -- valid -- Red-legged Seriema
  Cariamidae -- valid -- Seriemas
  Caridonax Cabanis & Heine, 1860 -- valid
  Caridonax fulgidus (Gould, 1857) -- valid -- Glittering Kingfisher, White-rumped Kingfisher, Alción culiblanco, Martin-chasseur étincelant
  Carpococcyx G. R. Gray, 1840 -- valid
  Carpococcyx radiceus (Temminck, 1832) -- valid -- Bornean Ground Cuckoo
  Carpococcyx renauldi Oustalet, 1896 -- valid -- Coral-billed Ground Cuckoo
  Carpodacus Kaup, 1829 -- valid -- Purple Finches
  Carpodacus cassinii S. F. Baird, 1854 -- invalid -- Cassin's Finch, Pinzón de Cassin
  Carpodacus edwardsii J. Verreaux, 1871 -- valid -- Dark-rumped Rosefinch
  Carpodacus eos (Stresemann, 1930) -- invalid -- Stresemann's Rosefinch
  Carpodacus erythrinus (Pallas, 1770) -- valid -- Common Rosefinch
  Carpodacus mexicanus (P. L. Statius Müller, 1776) -- invalid -- Pinzón mexicano, House Finch, roselin familier
  Carpodacus nipalensis (Hodgson, 1836) -- invalid -- Dark-breasted Rosefinch
  Carpodacus pulcherrimus (F. Moore, 1856) -- valid -- Beautiful Rosefinch, Himalayan Beautiful Rosefinch
  Carpodacus puniceus (Blyth, 1845) -- valid -- Red-fronted Rosefinch
  Carpodacus purpureus (J. F. Gmelin, 1789) -- invalid -- Pinzón purpúreo, Purple Finch, roselin pourpré
  Carpodacus rhodochlamys (von J. F. Brandt, 1843) -- valid -- Red-mantled Rosefinch
  Carpodacus roborowskii (Przewalski, 1887) -- valid -- Tibetan Rosefinch
  Carpodacus rodochrous (Vigors, 1831) -- invalid
  Carpodacus rodopeplus (Vigors, 1831) -- valid -- Spot-winged Rosefinch
  Carpodacus roseus (Pallas, 1776) -- valid -- Pallas's Rosefinch
  Carpodacus rubescens (Blanford, 1872) -- invalid -- Blanford's Rosefinch
  Carpodacus rubicilla (Güldenstädt, 1775) -- valid -- Great Rosefinch
  Carpodacus rubicilloides Przewalski, 1876 -- valid -- Streaked Rosefinch
  Carpodacus synoicus (Temminck, 1825) -- valid -- Sinai Rosefinch
  Carpodacus thura Bonaparte & Schlegel, 1850 -- valid -- White-browed Rosefinch, Himalayan White-browed Rosefinch
  Carpodacus trifasciatus J. Verreaux, 1871 -- valid -- Three-banded Rosefinch
  Carpodacus vinaceus J. Verreaux, 1871 -- valid -- Vinaceous Rosefinch
  Carpodectes Salvin, 1865 -- valid
  Carpodectes antoniae Ridgway, 1884 -- valid -- Yellow-billed Cotinga
  Carpodectes hopkei Berlepsch, 1897 -- valid -- Black-tipped Cotinga
  Carpodectes nitidus Salvin, 1865 -- valid -- Snowy Cotinga
  Carpornis G. R. Gray, 1846 -- valid
  Carpornis cucullatus (Swainson, 1821) -- invalid
  Carpornis melanocephalus (Wied-Neuwied, 1820) -- invalid
  Carpospiza Von J. W. Muller, 1854 -- valid
  Carpospiza brachydactyla (Bonaparte, 1850) -- valid -- Pale Rockfinch
  Caryothraustes Reichenbach, 1850 -- valid
  Caryothraustes canadensis (Linnaeus, 1766) -- valid -- Yellow-green Grosbeak
  Caryothraustes poliogaster (Du Bus de Gisignies, 1847) -- valid -- Picogordo cara negra, Black-faced Grosbeak
  Casiornis Des Murs, 1856 -- valid
  Casiornis fusca P. L. Sclater & Salvin, 1873 -- invalid
  Casiornis rufa (Vieillot, 1816) -- invalid
  Casuariidae -- valid -- Cassowaries
  Casuarius Brisson, 1760 -- valid
  Casuarius bennetti Gould, 1857 -- valid -- Dwarf Cassowary
  Casuarius casuarius (Linnaeus, 1758) -- valid -- Southern Cassowary
  Casuarius unappendiculatus Blyth, 1860 -- valid -- Northern Cassowary
  Catamblyrhynchus Lafresnaye, 1842 -- valid
  Catamblyrhynchus diadema Lafresnaye, 1842 -- valid -- Plushcap, Tête-de-peluche couronné, Tangara peluda
  Catamenia Bonaparte, 1850 -- valid
  Catamenia analis (d'Orbigny & Lafresnaye, 1837) -- valid -- Band-tailed Seedeater, Cataménie maculée, Semillero colifajado
  Catamenia homochroa P. L. Sclater, 1859 -- valid -- Paramo Seedeater, Cataménie du paramo, Semillero paramero, patativa-da-amazônia
  Catamenia inornata (Lafresnaye, 1847) -- valid -- Plain-colored Seedeater, Cataménie terne, Semillero sencillo, Plain Seedeater
  Cataponera Hartert, 1896 -- valid
  Cataponera turdoides Hartert, 1896 -- valid -- Sulawesi Thrush
  Catharacta Brünnich, 1764 -- invalid -- Skuas
  Catharacta antarctica (R. Lesson, 1831) -- invalid
  Catharacta chilensis (Bonaparte, 1857) -- invalid
  Catharacta lonnbergi Mathews, 1912 -- invalid
  Catharacta maccormicki (H. Saunders, 1893) -- invalid -- Págalo sureño, South Polar Skua, labbe de Mccormick
  Catharacta skua Brünnich, 1764 -- invalid -- Great Skua, grand labbe
  Catharopeza P. L. Sclater, 1880 -- valid
  Catharopeza bishopi (Lawrence, 1878) -- valid -- Whistling Warbler, Paruline de Saint-Vincent
  Cathartes Illiger, 1811 -- valid -- Turkey Vultures
  Cathartes aura (Linnaeus, 1758) -- valid -- Zopilote aura, Turkey Vulture, Urubu à tête rouge
  Cathartes burrovianus Cassin, 1845 -- valid -- Zopilote sabanero, Lesser Yellow-headed Vulture, Urubu à tête jaune
  Cathartes melambrotus Wetmore, 1964 -- valid -- Greater Yellow-headed Vulture
  Catharus Bonaparte, 1850 -- valid
  Catharus aurantiirostris (Hartlaub, 1850) -- valid -- Zorzal pico naranja, Orange-billed Nightingale-Thrush
  Catharus bicknelli (Ridgway, 1882) -- valid -- Bicknell's Thrush
  Catharus dryas (Gould, 1855) -- valid -- Zorzal pecho amarillo, Spotted Nightingale-Thrush
  Catharus frantzii Cabanis, 1861 -- valid -- Zorzal de Frantzius, Ruddy-capped Nightingale-Thrush
  Catharus fuscater (Lafresnaye, 1845) -- valid -- Slaty-backed Nightingale-Thrush
  Catharus fuscescens (Stephens, 1817) -- valid -- Zorzal rojizo, Veery, grive fauve
  Catharus gracilirostris Salvin, 1865 -- valid -- Black-billed Nightingale-Thrush
  Catharus guttatus (Pallas, 1811) -- valid -- Zorzal cola rufa, Hermit Thrush, grive solitaire
  Catharus mexicanus (Bonaparte, 1856) -- valid -- Zorzal corona negra, Black-headed Nightingale-Thrush
  Catharus minimus (Lafresnaye, 1848) -- valid -- Zorzal cara gris, Gray-cheeked Thrush, grive à joues grises, Grey-cheeked Thrush
  Catharus occidentalis P. L. Sclater, 1859 -- valid -- Zorzal mexicano, Russet Nightingale-Thrush
  Catharus ustulatus (Nuttall, 1840) -- valid -- Zorzal de Swainson, Swainson's Thrush, grive à dos olive
  Catherpes S. F. Baird, 1858 -- valid -- Canyon Wren
  Catherpes mexicanus (Swainson, 1829) -- valid -- Canyon Wren, Chivirín barranqueño
  Catoptrophorus Bonaparte, 1827 -- invalid -- Willets
  Catoptrophorus semipalmatus (J. F. Gmelin, 1789) -- invalid -- Willet, Willet, chevalier semipalmé
  Catreus Cabanis, 1851 -- valid
  Catreus wallichii (Hardwicke, 1827) -- valid -- Faisan de Wallich, Faisán chir, faisão-de-penacho, Cheer Pheasant
  Celeus F. Boie, 1831 -- valid
  Celeus brachyurus (Vieillot, 1818) -- invalid -- Rufous Woodpecker
  Celeus castaneus (Wagler, 1829) -- valid -- Carpintero castaño, Chestnut-colored Woodpecker
  Celeus elegans (P. L. S. Müller, 1776) -- valid -- Chestnut Woodpecker
  Celeus flavescens (J. F. Gmelin, 1788) -- valid -- Blond-crested Woodpecker
  Celeus flavus (P. L. S. Müller, 1776) -- valid -- Cream-colored Woodpecker
  Celeus grammicus (Natterer & Malherbe, 1845) -- valid -- Scaly-breasted Woodpecker
  Celeus loricatus (Reichenbach, 1854) -- valid -- Cinnamon Woodpecker
  Celeus lugubris (Malherbe, 1851) -- valid -- Pale-crested Woodpecker
  Celeus spectabilis P. L. Sclater & Salvin, 1880 -- valid -- Rufous-headed Woodpecker
  Celeus torquatus (Boddaert, 1783) -- valid -- Ringed Woodpecker
  Celeus undatus (Linnaeus, 1766) -- valid -- Waved Woodpecker
  Centrocercus Swainson, 1832 -- valid -- Sage Grouse
  Centrocercus urophasianus (Bonaparte, 1827) -- valid -- Tétras des armoises, Gallo de las artemisas grande, tetraz-das-artemísias, Greater Sage Grouse, Sage Grouse, Greater Sage-Grouse
  Centropodidae -- invalid
  Centropus Illiger, 1811 -- valid
  Centropus andamanensis Beavan, 1867 -- valid -- Andaman Coucal
  Centropus anselli Sharpe, 1874 -- valid -- Gabon Coucal
  Centropus ateralbus Lesson, 1826 -- valid -- Pied Coucal
  Centropus bengalensis (Gmelin, 1788) -- valid -- Lesser Coucal
  Centropus bernsteini Schlegel, 1866 -- valid -- Black-billed Coucal
  Centropus burchelli Swainson, 1838 -- invalid
  Centropus celebensis Quoy & Gaimard, 1830 -- valid -- Bay Coucal
  Centropus chalybeus (Salvadori, 1876) -- valid -- Biak Coucal
  Centropus chlororhynchus Blyth, 1849 -- invalid
  Centropus cupreicaudus Reichenow, 1896 -- valid -- Coppery-tailed Coucal
  Centropus goliath Bonaparte, 1850 -- valid -- Goliath Coucal
  Centropus grillii Hartlaub, 1861 -- valid -- Black Coucal
  Centropus leucogaster (Leach, 1814) -- valid -- Black-throated Coucal
  Centropus melanops Lesson, 1830 -- valid -- Black-faced Coucal
  Centropus menbeki Lesson & Garnot, 1828 -- valid -- Ivory-billed Coucal
  Centropus milo Gould, 1856 -- valid -- Buff-headed Coucal
  Centropus monachus Ruppell, 1837 -- valid -- Blue-headed Coucal
  Centropus neumanni Alexander, 1908 -- invalid
  Centropus nigrorufus (Cuvier, 1816) -- valid -- Sunda Coucal
  Centropus phasianinus (Latham, 1802) -- valid -- Pheasant Coucal
  Centropus rectunguis Strickland, 1847 -- valid -- Short-toed Coucal
  Centropus senegalensis (Linnaeus, 1766) -- valid -- Senegal Coucal
  Centropus sinensis (Stephens, 1815) -- valid -- Greater Coucal
  Centropus spilopterus G. R. Gray, 1858 -- valid -- Kai Coucal
  Centropus steerii Bourns & Worcester, 1894 -- valid -- Black-hooded Coucal
  Centropus superciliosus Hemprich & Ehrenberg, 1829 -- valid -- White-browed Coucal
  Centropus toulou (Statius Muller, 1776) -- valid -- Malagasy Coucal
  Centropus unirufus (Cabanis & Heine, 1863) -- valid -- Rufous Coucal
  Centropus violaceus Quoy & Gaimard, 1830 -- valid -- Violet Coucal
  Centropus viridis (Scopoli, 1786) -- valid -- Philippine Coucal
  Cephalopterus E. Geoffroy Saint-Hilaire, 1809 -- valid
  Cephalopterus glabricollis Gould, 1851 -- valid -- Bare-necked Umbrellabird
  Cephalopterus ornatus E. Geoffroy Saint-Hilaire, 1809 -- valid -- Amazonian Umbrellabird
  Cephalopterus penduliger P. L. Sclater, 1859 -- valid -- Long-wattled Umbrellabird
  Cephalopyrus Bonaparte, 1854 -- valid
  Cephalopyrus flammiceps (Burton, 1836) -- valid -- Fire-capped Tit
  Cepphus Pallas, 1769 -- valid -- Guillemots
  Cepphus carbo Pallas, 1811 -- valid -- Spectacled Guillemot, Guillemot à lunettes, Arao de anteojos, airo-de-óculos
  Cepphus columba Pallas, 1811 -- valid -- Arao pichón, Pigeon Guillemot, Guillemot colombin, Arao colombino, airo-columbino
  Cepphus grylle (Linnaeus, 1758) -- valid -- Black Guillemot, Guillemot à miroir, Arao aliblanco, airo-d'asa-branca
  Ceratogymna Bonaparte, 1854 -- valid
  Ceratogymna albotibialis (Cabanis & Reichenow, 1877) -- invalid
  Ceratogymna atrata (Temminck, 1835) -- valid -- Black-casqued Hornbill, Black-casqued Wattled Hornbill, calau-grande, Cálao casquinegro, Calao à casque noir
  Ceratogymna brevis (Friedmann, 1929) -- invalid
  Ceratogymna bucinator (Temminck, 1824) -- invalid
  Ceratogymna cylindricus (Temminck, 1831) -- invalid
  Ceratogymna elata (Temminck, 1831) -- valid -- Yellow-casqued Hornbill, Yellow-casqued Wattled Hornbill, calau-de-casquete-amarelo, calau-grande, Cálao casquigualdo, Calao à casque jaune
  Ceratogymna fistulator (Cassin, 1850) -- invalid
  Ceratogymna subcylindricus (P. L. Sclater, 1871) -- invalid
  Cercibis Wagler, 1832 -- valid
  Cercibis oxycerca (Spix, 1825) -- valid -- Sharp-tailed Ibis
  Cercococcyx Cabanis, 1882 -- valid
  Cercococcyx mechowi Cabanis, 1882 -- valid -- Dusky Long-tailed Cuckoo
  Cercococcyx montanus Chapin, 1928 -- valid -- Barred Long-tailed Cuckoo
  Cercococcyx olivinus Sassi, 1912 -- valid -- Olive Long-tailed Cuckoo
  Cercomacra P. L. Sclater, 1858 -- valid
  Cercomacra brasiliana Hellmayr, 1905 -- valid -- Rio de Janeiro Antbird
  Cercomacra carbonaria P. L. Sclater & Salvin, 1873 -- valid -- Rio Branco Antbird
  Cercomacra cinerascens (P. L. Sclater, 1857) -- valid -- Grey Antbird
  Cercomacra ferdinandi E. Snethlage, 1928 -- valid -- Bananal Antbird
  Cercomacra laeta Todd, 1920 -- valid -- Willis's Antbird
  Cercomacra manu Fitzpatrick & Willard, 1990 -- valid -- Manu Antbird
  Cercomacra melanaria (Ménétriés, 1835) -- valid -- Mato Grosso Antbird
  Cercomacra nigrescens (Cabanis & Heine, 1859) -- valid -- Blackish Antbird
  Cercomacra nigricans P. L. Sclater, 1858 -- valid -- Jet Antbird
  Cercomacra parkeri G. R. Graves, 1997 -- valid -- Parker's Antbird
  Cercomacra serva (P. L. Sclater, 1858) -- valid -- Black Antbird
  Cercomacra tyrannina (P. L. Sclater, 1855) -- valid -- Hormiguero tirano, Dusky Antbird
  Cercomela Bonaparte, 1856 -- invalid
  Cercomela dubia (Blundell & Lovat, 1899) -- invalid -- Sombre Rock Chat
  Cercomela familiaris (Stephens, 1826) -- invalid
  Cercomela fusca (Blyth, 1851) -- invalid -- Brown Rock Chat
  Cercomela melanura (Temminck, 1824) -- invalid -- Blackstart
  Cercomela schlegelii (Wahlberg, 1855) -- invalid -- Karoo Chat
  Cercomela scotocerca (Heuglin, 1869) -- invalid -- Brown-tailed Rock Chat
  Cercomela sinuata (Sundevall, 1858) -- invalid -- Sickle-winged Chat
  Cercomela sordida (Rüppell, 1837) -- invalid -- Moorland Chat
  Cercomela tractrac (Wilkes, 1817) -- invalid -- Tractrac Chat
  Cercotrichas F. Boie, 1831 -- valid
  Cercotrichas barbata (Hartlaub & Finsch, 1870) -- invalid -- Miombo Scrub Robin
  Cercotrichas coryphaeus (Lesson, 1831) -- invalid
  Cercotrichas galactotes (Temminck, 1820) -- invalid -- Rufous-tailed Scrub Robin
  Cercotrichas hartlaubi (Reichenow, 1891) -- invalid -- Brown-backed Scrub Robin
  Cercotrichas leucophrys (Vieillot, 1817) -- invalid -- White-browed Scrub Robin
  Cercotrichas leucosticta (Sharpe, 1883) -- invalid -- Forest Scrub Robin
  Cercotrichas paena (A. Smith, 1836) -- invalid -- Kalahari Scrub Robin
  Cercotrichas podobe (Statius Muller, 1776) -- valid -- Black Scrub Robin
  Cercotrichas quadrivirgata (Reichenow, 1879) -- invalid -- Bearded Scrub Robin
  Cercotrichas signata (Sundevall, 1850) -- invalid -- Brown Scrub Robin
  Cereopsis Latham, 1801 -- valid
  Cereopsis novaehollandiae Latham, 1801 -- valid -- Cape Barren Goose, Céréopse cendré, Ganso cenizo, ganso-cinzento
  Cerorhinca Bonaparte, 1828 -- valid -- Rhinoceros Auklets
  Cerorhinca monocerata (Pallas, 1811) -- valid -- Rhinoceros Auklet, Alca rinoceronte, Macareux rhinocéros, Alca unicórnea, mérgulo-unicórnio
  Certhia Linnaeus, 1758 -- valid -- Creepers
  Certhia americana Bonaparte, 1838 -- valid -- Trepador americano, Brown Creeper, grimpereau brun
  Certhia brachydactyla C. L. Brehm, 1820 -- valid -- Short-toed Treecreeper
  Certhia discolor Blyth, 1845 -- valid -- Brown-throated Treecreeper
  Certhia familiaris Linnaeus, 1758 -- valid -- Eurasian Treecreeper
  Certhia himalayana Vigors, 1832 -- valid -- Bar-tailed Treecreeper
  Certhia nipalensis Blyth, 1845 -- valid -- Rusty-flanked Treecreeper
  Certhiaxis Lesson, 1844 -- valid
  Certhiaxis cinnamomea (Gmelin, 1788) -- invalid
  Certhiaxis mustelina (P. L. Sclater, 1874) -- invalid
  Certhidea Gould, 1837 -- valid
  Certhidea olivacea Gould, 1837 -- valid -- Warbler Finch, Green Warbler-Finch, Géospize olive, Pinzón de Darwin oliváceo, tentilhão-cantor, Green Warbler-finch
  Certhiidae Leach, 1820 -- valid -- Creepers, grimpereaux
  Certhilauda Swainson, 1827 -- valid
  Certhilauda albescens (Lafresnaye, 1839) -- invalid -- Karoo Lark
  Certhilauda burra (Bangs, 1930) -- invalid -- Red Lark
  Certhilauda chuana (A. Smith, 1836) -- valid -- Short-clawed Lark
  Certhilauda curvirostris (Hermann, 1783) -- valid -- Cape Long-billed Lark
  Certhilauda erythrochlamys (Strickland, 1853) -- invalid -- Dune Lark
  Certhionyx R. Lesson, 1830 -- valid
  Certhionyx niger (Gould, 1838) -- invalid -- Black Honeyeater
  Certhionyx pectoralis (Gould, 1841) -- invalid -- Banded Honeyeater
  Certhionyx variegatus R. Lesson, 1830 -- valid -- Pied Honeyeater, Méliphage varié, Mielero pío
  Ceryle F. Boie, 1828 -- valid
  Ceryle alcyon (Linnaeus, 1758) -- invalid -- Martín-pescador norteño, Belted Kingfisher, martin-pêcheur d'Amérique
  Ceryle rudis (Linnaeus, 1758) -- valid -- Pied Kingfisher, guarda-rios-malhado, Martín pescador pío, Martin-pêcheur pie
  Ceryle torquata (Linnaeus, 1766) -- invalid -- Ringed Kingfisher, Martín-pescador de collar
  Cerylidae -- invalid
  Cettia Bonaparte, 1834 -- valid -- Bush-Warblers
  Cettia acanthizoides (J. Verreaux, 1870) -- invalid -- Yellow-bellied Bush Warbler
  Cettia annae (Hartlaub & Finsch, 1868) -- invalid -- Palau Bush Warbler
  Cettia brunnifrons (Hodgson, 1845) -- valid -- Grey-sided Bush Warbler
  Cettia canturians (Swinhoe, 1860) -- invalid
  Cettia carolinae Rozendaal, 1987 -- invalid -- Tanimbar Bush Warbler
  Cettia cetti (Temminck, 1820) -- valid -- Cetti's Warbler
  Cettia diphone (Kittlitz, 1830) -- invalid -- Japanese Bush-Warbler, Japanese Bush Warbler
  Cettia flavolivacea (Blyth, 1845) -- invalid -- Aberrant Bush Warbler
  Cettia fortipes (Hodgson, 1845) -- invalid -- Brown-flanked Bush Warbler
  Cettia major (Moore, 1854) -- valid -- Chestnut-crowned Bush Warbler
  Cettia pallidipes (Blanford, 1872) -- invalid -- Pale-footed Bush Warbler
  Cettia parens (Mayr, 1935) -- invalid -- Shade Bush Warbler
  Cettia ruficapilla (E. P. Ramsay, 1875) -- invalid -- Fiji Bush Warbler
  Cettia seebohmi Ogilvie-Grant, 1894 -- invalid -- Philippine Bush Warbler
  Cettia vulcania (Blyth, 1870) -- invalid -- Sunda Bush Warbler
  Ceuthmochares Cabanis & Heine, 1863 -- valid
  Ceuthmochares aereus (Vieillot, 1817) -- valid -- Green Malkoha
  Ceyx Lacépède, 1799 -- valid
  Ceyx erithacus (Linnaeus, 1758) -- invalid
  Ceyx fallax (Schlegel, 1866) -- valid -- Sulawesi Dwarf Kingfisher, Martín pigmeo de Célebes, Martin-pêcheur multicolore, Sulawesi Dwarf-kingfisher
  Ceyx lepidus Temminck, 1836 -- valid -- Chameleon Dwarf Kingfisher, Moluccan Dwarf Kingfisher, Variable Dwarf Kingfisher, Martín pigmeo de las Molucas, Martin-pêcheur gracieux, Seram Dwarf-Kingfisher, Moluccan Dwarf-kingfisher
  Ceyx melanurus (Kaup, 1848) -- valid -- Philippine Dwarf Kingfisher, Martín pigmeo de Luzón, Martin-pêcheur flamboyant, Philippine Dwarf-Kingfisher, North Philippine Dwarf-kingfisher
  Ceyx rufidorsa Strickland, 1847 -- invalid -- Rufous-backed Dwarf-Kingfisher
  Chaetocercus G. R. Gray, 1855 -- valid
  Chaetocercus jourdanii (Bourcier, 1839) -- valid -- Rufous-shafted Woodstar
  Chaetops Swainson, 1832 -- valid
  Chaetops aurantius E. L. Layard, 1867 -- valid -- Drakensburg Rockjumper
  Chaetops frenatus (Temminck, 1826) -- valid -- Cape Rockjumper
  Chaetoptila G. R. Gray, 1869 -- valid -- Kioeas, Kioeas
  Chaetoptila angustipluma (Peale, 1848) -- valid -- Kioea, Kioea
  Chaetorhynchus A. B. Meyer, 1874 -- valid
  Chaetorhynchus papuensis A. B. Meyer, 1874 -- valid -- Pygmy Drongo
  Chaetornis G. R. Gray, 1848 -- valid
  Chaetornis striatus (Jerdon, 1841) -- invalid
  Chaetura Stephens, 1826 -- valid -- Stiff-tailed Swifts
  Chaetura andrei von Berlepsch & Hartert, 1902 -- valid -- Ashy-tailed Swift
  Chaetura brachyura (Jardine, 1846) -- valid -- Short-tailed Swift
  Chaetura chapmani Hellmayr, 1907 -- valid -- Chapman's Swift
  Chaetura cinereiventris P. L. Sclater, 1862 -- valid -- Grey-rumped Swift, Gray-rumped Swift
  Chaetura egregia Todd, 1916 -- valid -- Pale-rumped Swift
  Chaetura martinica (Hermann, 1783) -- valid -- Lesser Antillean Swift
  Chaetura pelagica (Linnaeus, 1758) -- valid -- Vencejo de chimenea, Chimney Swift, martinet ramoneur
  Chaetura spinicauda (Temminck, 1839) -- invalid
  Chaetura vauxi (J. K. Townsend, 1839) -- valid -- Vaux's Swift, Vencejo de Vaux
  Chaimarrornis Hodgson, 1844 -- valid
  Chaimarrornis leucocephalus (Vigors, 1831) -- valid -- White-capped Redstart
  Chalcophaps Gould, 1843 -- valid
  Chalcophaps indica (Linnaeus, 1758) -- valid -- Common Emerald Dove
  Chalcophaps stephani Pucheran, 1853 -- invalid -- Stephan's Emerald Dove
  Chalcopsitta Bonaparte, 1850 -- valid
  Chalcopsitta atra (Scopoli, 1786) -- valid -- Black Lory, Lori noir, Lori negro, lóris-negro
  Chalcopsitta cardinalis (G. R. Gray, 1849) -- invalid -- Cardinal Lory
  Chalcopsitta duivenbodei A. J. C. Dubois, 1884 -- valid -- Brown Lory, Lori de Duyvenbode, Lori pardo, lóris-castanho
  Chalcopsitta sintillata (Temminck, 1835) -- invalid -- Streaked Lory
  Chalcostigma Reichenbach, 1854 -- valid
  Chalcostigma herrani (Delattre & Bourcier, 1846) -- valid -- Rainbow-bearded Thornbill
  Chalcostigma heteropogon (Boissonneau, 1840) -- valid -- Bronze-tailed Thornbill
  Chalcostigma olivaceum (Lawrence, 1864) -- valid -- Olivaceous Thornbill
  Chalcostigma ruficeps (Gould, 1846) -- valid -- Rufous-capped Thornbill
  Chalcostigma stanleyi (Bourcier, 1851) -- valid -- Blue-mantled Thornbill
  Chalybura Reichenbach, 1854 -- valid
  Chalybura buffonii (R. Lesson, 1832) -- valid -- White-vented Plumeleteer
  Chalybura urochrysia (Gould, 1861) -- valid -- Bronze-tailed Plumeleteer
  Chamaea Gambel, 1847 -- valid -- Wrentits
  Chamaea fasciata (Gambel, 1845) -- valid -- Wrentit, Camea
  Chamaepetes Wagler, 1832 -- valid
  Chamaepetes goudotii (R. Lesson, 1828) -- valid -- Pénélope de Goudot, Pava falcialar, jacu-asa-de-foice, Sickle-winged Guan
  Chamaepetes unicolor Salvin, 1867 -- valid -- Pénélope unicolore, Pava negra, jacu-preto, Black Guan
  Chamaeza Vigors, 1825 -- valid
  Chamaeza campanisona (Lichtenstein, 1823) -- valid -- Short-tailed Antthrush
  Chamaeza meruloides Vigors, 1825 -- valid -- Cryptic Antthrush
  Chamaeza mollissima P. L. Sclater, 1855 -- valid -- Barred Antthrush
  Chamaeza nobilis Gould, 1855 -- valid -- Striated Antthrush
  Chamaeza ruficauda Cabanis & Heine, 1859 -- valid -- Rufous-tailed Antthrush
  Chamaeza turdina Cabanis & Heine, 1859 -- valid -- Schwartz's Antthrush
  Charadriidae Leach, 1820 -- valid -- Plovers
  Charadrius Linnaeus, 1758 -- valid -- Ringed Plovers
  Charadrius alexandrinus Linnaeus, 1758 -- valid -- Kentish Plover, Pluvier à collier interrompu, Chorlitejo patinegro, borrelho-de-coleira-interrompida
  Charadrius alticola (Berlepsch & Stolzmann, 1902) -- valid -- Puna Plover, Pluvier de la puna, Chorlitejo andino, batuíra-do-puna
  Charadrius asiaticus Pallas, 1773 -- valid -- Caspian Plover, Pluvier asiatique, Chorlitejo asiático chico, borrelho-do-cáspio
  Charadrius bicinctus Jardine & Selby, 1827 -- valid -- Double-banded Plover, Pluvier à double collier, Chorlitejo bicinchado, batuíra-de-duas-cintas
  Charadrius collaris Vieillot, 1818 -- valid -- Chorlo de collar, Collared Plover, Pluvier d'Azara, Pluvier de d'Azara, Chorlitejo de Azara, batuíra-de-coleira
  Charadrius dubius Scopoli, 1786 -- valid -- Little Ringed Plover, Pluvier petit-gravelot, Chorlitejo chico, borrelho-pequeno-de-coleira
  Charadrius falklandicus Latham, 1790 -- valid -- Two-banded Plover, Pluvier des Falkland, Chorlitejo malvinero, batuíra-de-coleira-dupla
  Charadrius forbesi (Shelley, 1883) -- valid -- Forbes's Plover, Pluvier de Forbes, Chorlitejo de Forbes, borrelho-de-forbes
  Charadrius hiaticula Linnaeus, 1758 -- valid -- Common Ringed Plover, Pluvier grand-gravelot, Chorlitejo grande, borrelho-grande-de-coleira
  Charadrius javanicus Chasen, 1938 -- valid -- Javan Plover, Pluvier de Java, Chorlitejo javanés, batuíra-javanesa
  Charadrius leschenaultii R. Lesson, 1826 -- valid -- Greater Sand Plover, Greater Sand-Plover, Pluvier de Leschenault, Chorlitejo mongol grande, borrelho-grande-de-colar-ruivo
  Charadrius marginatus Vieillot, 1818 -- valid -- White-fronted Plover, Pluvier à front blanc, Chorlitejo frentiblanco, borrelho-de-testa-branca
  Charadrius melodus Ord, 1824 -- valid -- Chorlo chiflador, Piping Plover, Pluvier siffleur, Chorlitejo silbador, batuíra-melodiosa
  Charadrius modestus M. H. K. Lichtenstein, 1823 -- valid -- Rufous-chested Plover, Pluvier de d'Urville, Chorlito chileno, batuíra-de-peito-tijolo, Rufous-chested Dotterel
  Charadrius mongolus Pallas, 1776 -- valid -- Mongolian Plover, Lesser Sand-Plover, Lesser Sand Plover, Pluvier de Mongolie, Chorlitejo mongol chico, borrelho-pequeno-de-colar-ruivo, Siberian Sand Plover
  Charadrius montanus J. K. Townsend, 1837 -- valid -- Mountain Plover, Chorlo llanero, Pluvier montagnard, Chorlito llanero, batuíra-montesa
  Charadrius obscurus J. F. Gmelin, 1789 -- valid -- New Zealand Plover, Pluvier roux, Chorlito maorí de Isla Sur, batuíra-de-peito-vermelho, Red-breasted Plover, Red-breasted Dotterel
  Charadrius pallidus Strickland, 1853 -- valid -- Chestnut-banded Plover, Pluvier élégant, Chorlitejo pálido, borrelho-de-colar-arruivado
  Charadrius pecuarius Temminck, 1823 -- valid -- Kittlitz's Plover, Pluvier pâtre, Chorlitejo pecuario, borrelho-do-gado
  Charadrius peronii Schlegel, 1865 -- valid -- Malaysian Plover, Pluvier de Péron, Chorlitejo malayo, batuíra-malaia
  Charadrius placidus J. E. Gray & G. R. Gray, 1863 -- valid -- Long-billed Plover, Pluvier à long bec, Chorlitejo piquilargo, batuíra-de-bico-longo
  Charadrius rubricollis J. F. Gmelin, 1789 -- invalid
  Charadrius ruficapillus Temminck, 1821 -- valid -- Red-capped Plover, Pluvier à tête rousse, Chorlitejo capirrojo, batuíra-de-capuz-vermelho
  Charadrius sanctaehelenae (Harting, 1873) -- valid -- St. Helena Plover, Pluvier de Sainte-Hélène, Chorlitejo de Santa Elena, batuíra-de-santa-helena
  Charadrius semipalmatus Bonaparte, 1825 -- valid -- Chorlo semipalmeado, Semipalmated Plover, pluvier à semipalmé, Pluvier semipalmé, Chorlitejo semipalmeado, batuíra-de-bando
  Charadrius thoracicus (Richmond, 1896) -- valid -- Madagascar Plover, Pluvier à bandeau noir, Chorlitejo torácico, batuíra-de-bandas-pretas, Black-banded Plover
  Charadrius tricollaris Vieillot, 1818 -- valid -- Three-banded Plover, Pluvier à triple collier, Chorlitejo tricollar, borrelho-de-três-golas
  Charadrius veredus Gould, 1848 -- valid -- Oriental Plover, Pluvier oriental, Chorlito asiático grande, batuíra-oriental
  Charadrius vociferus Linnaeus, 1758 -- valid -- Chorlo tildío, Killdeer, Pluvier kildir, Chorlitejo culirrojo, borrelho-de-coleira-dupla
  Charadrius wilsonia Ord, 1814 -- valid -- Chorlo pico grueso, Wilson's Plover, Pluvier de Wilson, Chorlitejo piquigrueso, batuíra-bicuda
  Charitospiza Oberholser, 1905 -- valid
  Charitospiza eucosma Oberholser, 1905 -- valid -- Coal-crested Finch, Charitospize charbonnier, Monterita crestada, mineirinho, Coalcrest
  Charmosyna Wagler, 1832 -- valid
  Charmosyna amabilis (E. P. Ramsay, 1875) -- invalid -- Red-throated Lorikeet, Lori à gorge rouge, Lori gorjirrojo
  Charmosyna diadema (J. Verreaux & Des Murs, 1860) -- invalid -- New Caledonian Lorikeet, Lori à diadème, Lori diadema
  Charmosyna josefinae (Finsch, 1873) -- valid -- Josephine's Lorikeet, Lori de Josephine, Lori de Josefina
  Charmosyna margarethae Tristram, 1879 -- invalid -- Duchess Lorikeet, Lori de Margaret, Lori de Margarita
  Charmosyna meeki (Rothschild & Hartert, 1901) -- invalid -- Meek's Lorikeet, Lori de Meek, Lori de Meek
  Charmosyna multistriata (Rothschild, 1911) -- invalid -- Striated Lorikeet, Lori strié, Lori estriado
  Charmosyna palmarum (J. F. Gmelin, 1788) -- invalid -- Palm Lorikeet, Lori des palmiers, Lori palmero
  Charmosyna papou (Scopoli, 1786) -- valid -- West Papuan Lorikeet, Lori papou, Lori papú, Papuan Lorikeet
  Charmosyna placentis (Temminck, 1835) -- invalid -- Red-flanked Lorikeet, Lori coquet, Lori flanquirrojo
  Charmosyna pulchella G. R. Gray, 1859 -- invalid -- Fairy Lorikeet, Lori féérique, Lori lindo
  Charmosyna rubrigularis (P. L. Sclater, 1881) -- invalid -- Red-chinned Lorikeet, Lori à menton rouge, Lori barbirrojo
  Charmosyna rubronotata (Wallace, 1862) -- invalid -- Red-fronted Lorikeet, Lori à front rouge, Lori frentirrojo
  Charmosyna toxopei (Siebers, 1930) -- invalid -- Blue-fronted Lorikeet, Lori de Buru, Lori de Buru
  Charmosyna wilhelminae (A. B. Meyer, 1874) -- invalid -- Pygmy Lorikeet, Lori de Wilhelmina, Lori pigmeo
  Chasiempis Cabanis, 1847 -- valid -- 'Elepaios
  Chasiempis sandwichensis (Gmelin, 1789) -- valid -- 'Elepaio, Elepaio
  Chauna Illiger, 1811 -- valid
  Chauna chavaria (Linnaeus, 1766) -- valid -- Northern Screamer, Kamichi chavaria, Chajá chicagüire, tachã-do-norte
  Chauna torquata (Oken, 1816) -- valid -- Southern Screamer, Kamichi à collier, Chajá común, tachã
  Chaunoproctus Bonaparte, 1850 -- invalid
  Chaunoproctus ferreorostris (Vigors, 1829) -- invalid
  Chelictinia Lesson, 1843 -- valid
  Chelictinia riocourii (Vieillot, 1822) -- valid -- Scissor-tailed Kite
  Chelidoptera Gould, 1837 -- valid
  Chelidoptera tenebrosa (Pallas, 1782) -- valid -- Swallow-wing Puffbird, Swallow-winged Puffbird
  Chen Boie, 1822 -- invalid -- Snow Geese
  Chen caerulescens (Linnaeus, 1758) -- invalid -- Blue Goose, Ganso blanco, Snow Goose, oie des neiges
  Chen canagica (Sevastianov, 1802) -- invalid -- Emperor Goose
  Chen rossii (Cassin, 1861) -- invalid -- Ross' Goose, Ganso de Ross, Ross's Goose, oie de Ross
  Chenonetta J. F. Brandt, 1836 -- valid
  Chenonetta jubata (Latham, 1801) -- valid -- Maned Duck, Canard à crinière, Pato de crin, pato-de-crina
  Cheramoeca Cabanis, 1850 -- valid
  Cheramoeca leucosternus (Gould, 1841) -- invalid
  Chersomanes Cabanis, 1851 -- valid
  Chersomanes albofasciata (Lafresnaye, 1836) -- valid -- Spike-heeled Lark
  Chersophilus Sharpe, 1890 -- valid
  Chersophilus duponti (Vieillot, 1824) -- valid -- Dupont's Lark
  Chilia Salvadori, 1908 -- valid
  Chilia melanura (G. R. Gray, 1846) -- valid -- Crag Chilia
  Chionididae R. Lesson, 1828 -- invalid
  Chionis J. R. Forster, 1788 -- valid
  Chionis alba (J. F. Gmelin, 1789) -- invalid
  Chionis minor Hartlaub, 1841 -- valid -- Black-faced Sheathbill, Petit Chionis, Picovaina de las Kerguelen, pomba-antártica-de-cara-preta
  Chiroxiphia Cabanis, 1847 -- valid
  Chiroxiphia boliviana Allen, 1889 -- valid -- Yungas Manakin
  Chiroxiphia caudata (Shaw, 1793) -- valid -- Blue Manakin
  Chiroxiphia lanceolata (Wagler, 1830) -- valid -- Lance-tailed Manakin
  Chiroxiphia linearis (Bonaparte, 1838) -- valid -- Long-tailed Manakin, Manaquín cola larga
  Chiroxiphia pareola (Linnaeus, 1766) -- valid -- Blue-backed Manakin
  Chlamydera Gould, 1837 -- valid
  Chlamydera cerviniventris Gould, 1850 -- valid -- Fawn-breasted Bowerbird
  Chlamydera guttata Gould, 1862 -- valid -- Western Bowerbird
  Chlamydera lauterbachi Reichenow, 1897 -- valid -- Yellow-breasted Bowerbird
  Chlamydera maculata (Gould, 1837) -- valid -- Spotted Bowerbird
  Chlamydera nuchalis (Jardine & Selby, 1830) -- valid -- Great Bowerbird
  Chlamydochaera Sharpe, 1887 -- valid
  Chlamydochaera jefferyi Sharpe, 1887 -- valid -- Fruithunter
  Chlamydotis Lesson, 1839 -- valid
  Chlamydotis undulata (Jacquin, 1784) -- valid -- Houbara Bustard
  Chlidonias Rafinesque, 1822 -- valid -- Black Terns
  Chlidonias albostriatus (G. R. Gray, 1845) -- valid -- Black-fronted Tern, Guifette des galets, Fumarel maorí, trinta-réis-de-fronte-preta
  Chlidonias hybridus (Pallas, 1811) -- invalid
  Chlidonias leucopterus (Temminck, 1815) -- valid -- White-winged Tern, Guifette leucoptère, Fumarel aliblanco, trinta-réis-negro-de-asa-branca, gaivina-d'asa-branca
  Chlidonias niger (Linnaeus, 1758) -- valid -- Charrán negro, Black Tern, Guifette noire, Fumarel común, trinta-réis-negro, gaivina-preta
  Chloebia Reichenbach, 1862 -- invalid
  Chloebia gouldiae (Gould, 1844) -- invalid
  Chloephaga Eyton, 1838 -- valid
  Chloephaga hybrida (Molina, 1782) -- valid -- Kelp Goose, Ouette marine, Cauquén caranca, ganso-papa-alga
  Chloephaga melanoptera (Eyton, 1838) -- valid -- Andean Goose, Ouette des Andes, Cauquén guayata, ganso-andino
  Chloephaga picta (J. F. Gmelin, 1789) -- valid -- Upland Goose, Ouette de Magellan, Cauquén común, ganso-de-magalhães
  Chloephaga poliocephala P. L. Sclater, 1857 -- valid -- Ashy-headed Goose, Ouette à tête grise, Cauquén cabecigrís, ganso-de-cabeça-cinzenta
  Chloephaga rubidiceps P. L. Sclater, 1861 -- valid -- Ruddy-headed Goose, Ouette à tête rousse, Cauquén colorado, ganso-de-cabeça-ruiva
  Chlorestes Reichenbach, 1854 -- valid
  Chlorestes notatus (G. C. Reich, 1793) -- invalid
  Chloridops S. B. Wilson, 1888 -- valid -- Kona Finches
  Chloridops kona S. B. Wilson, 1888 -- valid -- Kona Grosbeak
  Chloroceryle Kaup, 1848 -- valid -- Green Kingfishers
  Chloroceryle aenea (Pallas, 1764) -- valid -- Martín-pescador enano, American Pygmy Kingfisher, martim-pescador-miúdo, Martín pescador enano, Martin-pêcheur nain, American Pygmy-kingfisher
  Chloroceryle amazona (Latham, 1790) -- valid -- Martín-pescador amazónico, Amazon Kingfisher, martim-pescador-verde, Martín pescador amazónico, Martin-pêcheur d'Amazonie
  Chloroceryle americana (J. F. Gmelin, 1788) -- valid -- martim-pescador-pequeno, Martín pescador verde, Martin-pêcheur vert, Green Kingfisher, Martín-pescador verde
  Chloroceryle inda (Linnaeus, 1766) -- valid -- Green-and-rufous Kingfisher, martim-pescador-da-mata, Martín pescador verdirrufo, Martin-pêcheur bicolore
  Chlorocharis Sharpe, 1888 -- valid
  Chlorocharis emiliae Sharpe, 1888 -- valid -- Mountain Blackeye
  Chlorochrysa Bonaparte, 1851 -- valid
  Chlorochrysa calliparaea (Tschudi, 1844) -- valid -- Orange-eared Tanager, Tangara de Tschudi, Tangara orejinaranja
  Chlorochrysa nitidissima P. L. Sclater, 1874 -- valid -- Multicolored Tanager, Tangara multicolore, Tangara multicolor
  Chlorochrysa phoenicotis (Bonaparte, 1851) -- valid -- Glistening-green Tanager, Tangara étincelant, Tangara verde
  Chlorocichla Sharpe, 1882 -- valid
  Chlorocichla falkensteini (Reichenow, 1874) -- valid -- Falkenstein's Greenbul
  Chlorocichla flavicollis (Swainson, 1837) -- invalid -- Yellow-throated Leaflove
  Chlorocichla flaviventris (A. Smith, 1834) -- valid -- Yellow-bellied Greenbul
  Chlorocichla laetissima (Sharpe, 1899) -- valid -- Joyful Greenbul
  Chlorocichla prigoginei De Roo, 1967 -- valid -- Prigogine's Greenbul
  Chlorocichla simplex (Hartlaub, 1855) -- valid -- Simple Greenbul
  Chloropeta A. Smith, 1847 -- invalid
  Chloropeta gracilirostris Ogilvie-Grant, 1906 -- invalid -- Papyrus Yellow Warbler
  Chloropeta natalensis A. Smith, 1847 -- invalid -- Dark-capped Yellow Warbler
  Chloropeta similis Richmond, 1897 -- invalid -- Mountain Yellow Warbler
  Chlorophanes Reichenbach, 1853 -- valid
  Chlorophanes spiza (Linnaeus, 1758) -- valid -- Mielero verde, Green Honeycreeper, Tangara émeraude, Mielerito verde, saí-verde
  Chlorophonia Bonaparte, 1851 -- valid
  Chlorophonia callophrys (Cabanis, 1861) -- valid -- Golden-browed Chlorophonia
  Chlorophonia cyanea (Thunberg, 1822) -- valid -- Blue-naped Chlorophonia
  Chlorophonia flavirostris P. L. Sclater, 1861 -- valid -- Yellow-collared Chlorophonia
  Chlorophonia occipitalis (Du Bus de Gisignies, 1847) -- valid -- Clorofonia corona azul, Blue-crowned Chlorophonia
  Chlorophonia pyrrhophrys (P. L. Sclater, 1851) -- valid -- Chestnut-breasted Chlorophonia
  Chloropipo Cabanis & Heine, 1859 -- invalid
  Chloropipo flavicapilla (P. L. Sclater, 1852) -- invalid
  Chloropipo holochlora P. L. Sclater, 1888 -- invalid
  Chloropipo unicolor Taczanowski, 1884 -- invalid
  Chloropipo uniformis Salvin & Godman, 1884 -- invalid
  Chloropsis Jardine & Selby, 1827 -- valid
  Chloropsis aurifrons (Temminck, 1829) -- valid -- Golden-fronted Leafbird
  Chloropsis cochinchinensis (Gmelin, 1789) -- valid -- Blue-winged Leafbird
  Chloropsis cyanopogon (Temminck, 1830) -- valid -- Lesser Green Leafbird
  Chloropsis flavipennis (Tweeddale, 1878) -- valid -- Philippine Leafbird
  Chloropsis hardwickii Jardine & Selby, 1830 -- valid -- Orange-bellied Leafbird
  Chloropsis palawanensis (Sharpe, 1877) -- valid -- Yellow-throated Leafbird
  Chloropsis sonnerati Jardine & Selby, 1827 -- valid -- Greater Green Leafbird
  Chloropsis venusta (Bonaparte, 1850) -- valid -- Blue-masked Leafbird
  Chlorornis Reichenbach, 1850 -- valid
  Chlorornis riefferii (Boissonneau, 1840) -- valid -- Grass-green Tanager, Tangara de Rieffer, Tangara lorito
  Chlorospingus Cabanis, 1851 -- valid
  Chlorospingus canigularis (Lafresnaye, 1848) -- valid -- Ashy-throated Bush-Tanager, Ashy-throated Bush Tanager, Chlorospin à gorge grise, Clorospingo gorjigrís, Ashy-throated Tanager Finch, Ashy-throated Chlorospingus, Ashy-throated Bush-tanager
  Chlorospingus flavigularis (P. L. Sclater, 1852) -- valid -- Yellow-throated Bush Tanager, Yellow-throated Bush-Tanager, Chlorospin à gorge jaune, Clorospingo gorjiamarillo, Yellow-throated Tanager Finch, Yellow-throated Chlorospingus, Yellow-throated Bush-tanager
  Chlorospingus flavovirens (Lawrence, 1867) -- invalid -- Yellow-green Bush Tanager, Yellow-green Tanager Finch
  Chlorospingus inornatus (Nelson, 1912) -- valid -- Pirre Bush Tanager, Pirre Bush-Tanager, Chlorospin du Pirré, Clorospingo del Pirre, Pirre Tanager Finch, Pirre Chlorospingus, Pirre Bush-tanager
  Chlorospingus ophthalmicus (Du Bus de Gisignies, 1847) -- invalid -- Chinchinero común, Common Bush-Tanager, Common Bush Tanager
  Chlorospingus parvirostris Chapman, 1901 -- valid -- Yellow-whiskered Bush Tanager, Chlorospin à bec court, Clorospingo bigotudo, Yellow-whiskered Tanager Finch, Short-billed Tanager Finch, Short-billed Chlorospingus, Short-billed Bush-Tanager
  Chlorospingus pileatus Salvin, 1865 -- valid -- Sooty-capped Bush Tanager, Sooty-capped Bush-Tanager, Chlorospin à sourcils brisés, Clorospingo cejiblanco, Sooty-capped Tanager Finch, Sooty-capped Chlorospingus, Sooty-capped Bush-tanager
  Chlorospingus semifuscus P. L. Sclater & Salvin, 1873 -- valid -- Dusky Bush Tanager, Chlorospin ombré, Clorospingo oscuro, Dusky Tanager Finch, Dusky Chlorospingus, Dusky Bush-tanager
  Chlorospingus tacarcunae Griscom, 1924 -- valid -- Tacarcuna Bush Tanager, Tacarcuna Bush-Tanager, Chlorospin du Tacarcuna, Clorospingo del Tacarcuna, Tacarcuna Tanager Finch, Tacarcuna Chlorospingus, Tacarcuna Bush-tanager
  Chlorostilbon Gould, 1853 -- valid -- Emeralds
  Chlorostilbon alice (Bourcier & Mulsant, 1848) -- valid -- Green-tailed Emerald
  Chlorostilbon assimilis Lawrence, 1861 -- valid -- Garden Emerald
  Chlorostilbon aureoventris (Orbigny & Lafresnaye, 1838) -- invalid -- Glittering-bellied Emerald
  Chlorostilbon auriceps (Gould, 1852) -- invalid -- Esmeralda mexicana, Golden-crowned Emerald
  Chlorostilbon bracei (Lawrence, 1877) -- invalid -- Brace's Emerald
  Chlorostilbon canivetii (R. Lesson, 1832) -- invalid -- Esmeralda tijereta, Canivet's Emerald
  Chlorostilbon forficatus Ridgway, 1885 -- invalid -- Esmeralda de Cozumel, Cozumel Emerald
  Chlorostilbon gibsoni (Fraser, 1840) -- valid -- Red-billed Emerald
  Chlorostilbon maugaeus (Audebert & Vieillot, 1801) -- invalid -- Puerto Rican Emerald
  Chlorostilbon melanorhynchus Gould, 1860 -- valid -- Western Emerald
  Chlorostilbon mellisugus (Linnaeus, 1758) -- valid -- Blue-tailed Emerald
  Chlorostilbon olivaresi Stiles, 1996 -- valid -- Chiribiquete Emerald
  Chlorostilbon poortmani (Bourcier, 1843) -- valid -- Short-tailed Emerald
  Chlorostilbon ricordii (Gervais, 1835) -- invalid -- Cuban Emerald
  Chlorostilbon russatus (Salvin & Godman, 1881) -- valid -- Coppery Emerald
  Chlorostilbon stenura (Cabanis & Heine, 1860) -- invalid
  Chlorostilbon swainsonii (R. Lesson, 1829) -- invalid -- Hispaniolan Emerald
  Chlorothraupis Salvin & Godman, 1883 -- valid
  Chlorothraupis carmioli (Lawrence, 1868) -- valid -- Carmiol's Tanager, Olive Tanager
  Chlorothraupis olivacea (Cassin, 1860) -- valid -- Lemon-spectacled Tanager
  Chlorothraupis stolzmanni (von Berlepsch & Taczanowski, 1884) -- valid -- Ochre-breasted Tanager
  Chondestes Swainson, 1827 -- valid -- Lark Sparrows
  Chondestes grammacus (Say, 1822) -- valid -- Chingolo arlequín, escrevedeira-arlequim, Lark Sparrow, bruant à joues marron, Gorrión arlequín
  Chondrohierax Lesson, 1843 -- valid -- Hook-billed Kites
  Chondrohierax uncinatus (Temminck, 1822) -- valid -- Hook-billed Kite, Gavilán pico gancho, Milan bec-en-croc
  Chordeiles Swainson, 1832 -- valid -- Nighthawks
  Chordeiles acutipennis (Hermann, 1783) -- valid -- Chotacabras menor, Lesser Nighthawk
  Chordeiles gundlachii Lawrence, 1857 -- valid -- Antillean Nighthawk
  Chordeiles minor (J. R. Forster, 1771) -- valid -- Chotacabras zumbón, engoulevent d'Amérique, Common Nighthawk
  Chordeiles pusillus Gould, 1861 -- valid -- Least Nighthawk
  Chordeiles rupestris (von Spix, 1825) -- valid -- Sand-colored Nighthawk
  Chrysococcyx Boie, 1826 -- valid
  Chrysococcyx basalis (Horsfield, 1821) -- valid -- Horsfield's Bronze Cuckoo
  Chrysococcyx caprius (Boddaert, 1783) -- valid -- Dideric Cuckoo
  Chrysococcyx crassirostris (Salvadori, 1878) -- valid -- Pied Bronze Cuckoo
  Chrysococcyx cupreus (Shaw, 1792) -- valid -- African Emerald Cuckoo
  Chrysococcyx flavigularis Shelley, 1880 -- valid -- Yellow-throated Cuckoo
  Chrysococcyx klaas (Stephens, 1815) -- valid -- Klaas's Cuckoo
  Chrysococcyx lucidus (Gmelin, 1788) -- valid -- Shining Bronze Cuckoo
  Chrysococcyx maculatus (Gmelin, 1788) -- valid -- Asian Emerald Cuckoo
  Chrysococcyx meyeri Salvadori, 1874 -- valid -- White-eared Bronze Cuckoo
  Chrysococcyx minutillus Gould, 1859 -- valid -- Little Bronze Cuckoo
  Chrysococcyx osculans (Gould, 1847) -- valid -- Black-eared Cuckoo
  Chrysococcyx ruficollis (Salvadori, 1876) -- valid -- Rufous-throated Bronze Cuckoo
  Chrysococcyx rufomerus Hartert, 1900 -- invalid
  Chrysococcyx russatus Gould, 1868 -- invalid
  Chrysococcyx xanthorhynchus (Horsfield, 1821) -- valid -- Violet Cuckoo
  Chrysocolaptes Blyth, 1843 -- valid
  Chrysocolaptes festivus (Boddaert, 1783) -- valid -- White-naped Woodpecker
  Chrysocolaptes lucidus (Scopoli, 1786) -- valid -- Greater Goldenback, Buff-spotted Flameback
  Chrysolampis F. Boie, 1831 -- valid
  Chrysolampis mosquitus (Linnaeus, 1758) -- valid -- Ruby Topaz, Ruby-topaz Hummingbird
  Chrysolophus J. E. Gray, 1834 -- valid
  Chrysolophus amherstiae (Leadbeater, 1829) -- valid -- Faisan de Lady Amherst, Faisán de Lady Amherst, faisão-de-lady-amherst, Lady Amherst's Pheasant
  Chrysolophus pictus (Linnaeus, 1758) -- valid -- Faisan doré, Faisán dorado, faisão-dourado, Golden Pheasant
  Chrysomma Blyth, 1843 -- valid
  Chrysomma altirostre Jerdon, 1862 -- valid
  Chrysomma poecilotis (J. Verreaux, 1870) -- invalid
  Chrysomma sinense (Gmelin, 1789) -- valid -- Yellow-eyed Babbler
  Chrysothlypis Berlepsch, 1912 -- valid
  Chrysothlypis chrysomelaena (P. L. Sclater & Salvin, 1869) -- invalid
  Chrysothlypis salmoni (P. L. Sclater, 1886) -- valid -- Scarlet-and-white Tanager, Tangara rouge, Tangara rojiblanca
  Chrysuronia Bonaparte, 1850 -- valid
  Chrysuronia oenone (R. Lesson, 1832) -- valid -- Golden-tailed Sapphire
  Chthonicola Gould, 1847 -- invalid
  Chthonicola sagittatus (Latham, 1802) -- invalid
  Chunga Hartlaub, 1860 -- valid
  Chunga burmeisteri (Hartlaub, 1860) -- valid -- Black-legged Seriema
  Ciccaba Wagler, 1832 -- invalid
  Ciccaba albitarsus (Bonaparte, 1850) -- invalid
  Ciccaba huhula (Daudin, 1800) -- invalid
  Ciccaba nigrolineata P. L. Sclater, 1859 -- invalid -- Búho blanquinegro, Black-and-white Owl
  Ciccaba virgata (Cassin, 1849) -- invalid -- Búho café
  Ciccaba woodfordii (A. Smith, 1834) -- invalid
  Cichladusa W. Peters, 1863 -- valid
  Cichladusa arquata W. Peters, 1863 -- valid -- Collared Palm Thrush
  Cichladusa guttata (Heuglin, 1862) -- valid -- Spotted Palm Thrush
  Cichladusa ruficauda (Hartlaub, 1857) -- valid -- Rufous-tailed Palm Thrush
  Cichlherminia Bonaparte, 1854 -- invalid
  Cichlherminia lherminieri (Lafresnaye, 1844) -- invalid -- Forest Thrush
  Cichlocolaptes Reichenbach, 1853 -- valid
  Cichlocolaptes leucophrus (Jardine & Selby, 1830) -- valid -- Pale-browed Treehunter
  Cichlopsis Cabanis, 1850 -- valid
  Cichlopsis leucogenys Cabanis, 1850 -- valid -- Rufous-brown Solitaire
  Cicinnurus Vieillot, 1816 -- valid
  Cicinnurus magnificus (Pennant, 1781) -- invalid
  Cicinnurus regius (Linnaeus, 1758) -- valid -- King Bird-of-Paradise
  Cicinnurus respublica (Bonaparte, 1850) -- invalid
  Ciconia Brisson, 1760 -- valid
  Ciconia abdimii Lichtenstein, 1823 -- valid -- Abdim's Stork
  Ciconia boyciana Swinhoe, 1873 -- valid -- Oriental Stork, Oriental White Stork
  Ciconia ciconia (Linnaeus, 1758) -- valid -- White Stork
  Ciconia episcopus (Boddaert, 1783) -- valid -- Woolly-necked Stork
  Ciconia maguari (Gmelin, 1789) -- valid -- Maguari Stork
  Ciconia nigra (Linnaeus, 1758) -- valid -- Black Stork
  Ciconia stormi (W. Blasius, 1896) -- valid -- Storm's Stork
  Ciconiidae Sundevall, 1836 -- valid -- Storks
  Ciconiiformes -- valid -- Storks, cigognes
  Cinclidae Sundevall, 1836 -- valid -- Dippers
  Cinclidium Blyth, 1842 -- valid
  Cinclidium diana (Lesson, 1831) -- invalid
  Cinclidium frontale Blyth, 1842 -- valid -- Blue-fronted Robin
  Cinclidium leucurum (Hodgson, 1845) -- invalid
  Cinclocerthia G. R. Gray, 1840 -- valid
  Cinclocerthia gutturalis (Lafresnaye, 1843) -- valid -- Grey Trembler, Gray Trembler
  Cinclocerthia ruficauda (Gould, 1836) -- valid -- Brown Trembler
  Cinclodes G. R. Gray, 1840 -- valid
  Cinclodes antarcticus (Garnot, 1826) -- valid -- Blackish Cinclodes
  Cinclodes atacamensis (Philippi, 1857) -- valid -- White-winged Cinclodes
  Cinclodes comechingonus Zotta & Gavio, 1944 -- valid -- Cordoba Cinclodes
  Cinclodes excelsior P. L. Sclater, 1860 -- valid -- Stout-billed Cinclodes
  Cinclodes fuscus (Vieillot, 1818) -- valid -- Bar-winged Cinclodes
  Cinclodes nigrofumosus (Orbigny & Lafresnaye, 1838) -- valid -- Chilean Seaside Cinclodes
  Cinclodes olrogi Nores & Yzurieta, 1979 -- valid -- Olrog's Cinclodes
  Cinclodes oustaleti Scott, 1900 -- valid -- Grey-flanked Cinclodes
  Cinclodes pabsti Sick, 1969 -- valid -- Long-tailed Cinclodes
  Cinclodes palliatus (Tschudi, 1844) -- valid -- White-bellied Cinclodes
  Cinclodes patagonicus (Gmelin, 1789) -- valid -- Dark-bellied Cinclodes
  Cinclodes taczanowskii Berlepsch & Stolzmann, 1892 -- valid -- Peruvian Seaside Cinclodes
  Cincloramphus Gould, 1838 -- invalid
  Cincloramphus cruralis (Vigors & Horsfield, 1827) -- invalid -- Brown Songlark
  Cincloramphus mathewsi Iredale, 1911 -- invalid -- Rufous Songlark
  Cinclosoma Vigors & Horsfield, 1827 -- valid
  Cinclosoma ajax (Temminck, 1836) -- valid -- Painted Quail-thrush
  Cinclosoma castaneothorax Gould, 1849 -- valid -- Chestnut-breasted Quail-thrush
  Cinclosoma castanotus Gould, 1840 -- invalid
  Cinclosoma cinnamomeum Gould, 1846 -- valid -- Cinnamon Quail-thrush
  Cinclosoma punctatum (Shaw, 1795) -- valid -- Spotted Quail-thrush
  Cinclus Borkhausen, 1797 -- valid -- Dippers
  Cinclus cinclus (Linnaeus, 1758) -- valid -- White-throated Dipper
  Cinclus leucocephalus Tschudi, 1844 -- valid -- White-capped Dipper
  Cinclus mexicanus Swainson, 1827 -- valid -- American Dipper, Mirlo-acuático norteamericano
  Cinclus pallasii Temminck, 1820 -- valid -- Brown Dipper
  Cinclus schulzi Cabanis, 1882 -- invalid -- Rufous-throated Dipper
  Cinnycerthia Lesson, 1844 -- valid
  Cinnycerthia peruana (Cabanis, 1873) -- valid -- Peruvian Wren
  Cinnycerthia unirufa (Lafresnaye, 1840) -- valid -- Rufous Wren
  Cinnyricinclus Lesson, 1840 -- valid
  Cinnyricinclus femoralis (Richmond, 1897) -- invalid -- Abbott's Starling
  Cinnyricinclus leucogaster (Boddaert, 1783) -- valid -- Violet-backed Starling
  Cinnyricinclus sharpii (Jackson, 1898) -- invalid
  Circaetus Vieillot, 1816 -- valid
  Circaetus cinerascens J. W. Von Muller, 1851 -- valid -- Western Banded Snake Eagle
  Circaetus cinereus Vieillot, 1818 -- valid -- Brown Snake Eagle
  Circaetus fasciolatus Kaup, 1847 -- valid -- Southern Banded Snake Eagle
  Circaetus gallicus (Gmelin, 1788) -- valid -- Short-toed Snake Eagle
  Circaetus pectoralis A. Smith, 1829 -- valid -- Black-chested Snake Eagle
  Circus Lacepede, 1799 -- valid -- Harriers
  Circus aeruginosus (Linnaeus, 1758) -- valid -- Western Marsh Harrier, Busard des roseaux
  Circus approximans Peale, 1848 -- valid -- Swamp Harrier
  Circus assimilis Jardine & Selby, 1828 -- valid -- Spotted Harrier
  Circus buffoni (Gmelin, 1788) -- valid -- Long-winged Harrier, Busard de Buffon
  Circus cinereus Vieillot, 1816 -- valid -- Cinereous Harrier
  Circus cyaneus (Linnaeus, 1766) -- valid -- Gavilán rastrero, Northern Harrier, Busard Saint-Martin
  Circus macrourus (S. G. Gmelin, 1770) -- valid -- Pallid Harrier
  Circus maillardi J. Verreaux, 1862 -- valid -- Malagasy Marsh Harrier, Reunion Harrier
  Circus maurus (Temminck, 1828) -- valid -- Black Harrier
  Circus melanoleucos (Pennant, 1769) -- valid -- Pied Harrier
  Circus pygargus (Linnaeus, 1758) -- valid -- Montagu's Harrier
  Circus ranivorus (Daudin, 1800) -- valid -- African Marsh Harrier
  Circus spilonotus Kaup, 1847 -- valid -- Eastern Marsh Harrier
  Ciridops A. Newton, 1892 -- valid -- Ciridopses
  Ciridops anna (Dole, 1878) -- valid -- Ula-ai-hawane
  Cissa F. Boie, 1826 -- valid
  Cissa chinensis (Boddaert, 1783) -- valid -- Common Green Magpie
  Cissa hypoleuca Salvadori & Giglioli, 1885 -- valid -- Indochinese Green Magpie
  Cissa thalassina (Temminck, 1826) -- valid -- Short-tailed Green Magpie
  Cissopis Vieillot, 1816 -- valid
  Cissopis leveriana (J. F. Gmelin, 1788) -- invalid
  Cisticola Kaup, 1829 -- valid
  Cisticola aberdare Lynes, 1930 -- valid -- Aberdare Cisticola
  Cisticola aberrans (A. Smith, 1843) -- valid -- Lazy Cisticola
  Cisticola angolensis (Bocage, 1877) -- invalid
  Cisticola angusticauda Reichenow, 1891 -- valid -- Long-tailed Cisticola
  Cisticola anonymus (J. W. von Müller, 1855) -- valid -- Chattering Cisticola
  Cisticola aridulus Witherby, 1900 -- valid -- Desert Cisticola
  Cisticola ayresii Hartlaub, 1863 -- valid -- Wing-snapping Cisticola
  Cisticola bodessa Mearns, 1913 -- valid -- Boran Cisticola
  Cisticola brachypterus (Sharpe, 1870) -- valid -- Short-winged Cisticola
  Cisticola brunnescens Heuglin, 1862 -- valid -- Pectoral-patch Cisticola
  Cisticola bulliens Lynes, 1930 -- valid -- Bubbling Cisticola
  Cisticola cantans (Heuglin, 1869) -- valid -- Singing Cisticola
  Cisticola carruthersi Ogilvie-Grant, 1909 -- valid -- Carruthers's Cisticola
  Cisticola cherinus (A. Smith, 1843) -- invalid
  Cisticola chinianus (A. Smith, 1843) -- invalid
  Cisticola chubbi Sharpe, 1892 -- valid -- Chubb's Cisticola
  Cisticola cinereolus Salvadori, 1888 -- valid -- Ashy Cisticola
  Cisticola dambo Lynes, 1931 -- valid -- Dambo Cisticola
  Cisticola discolor Sjöstedt, 1893 -- invalid
  Cisticola distinctus Lynes, 1930 -- valid -- Lynes's Cisticola
  Cisticola dorsti Chappuis & Erard, 1991 -- invalid -- Dorst's Cisticola
  Cisticola emini Reichenow, 1892 -- valid -- Rock-loving Cisticola
  Cisticola erythrops (Hartlaub, 1857) -- valid -- Red-faced Cisticola
  Cisticola exilis (Vigors & Horsfield, 1827) -- valid -- Golden-headed Cisticola
  Cisticola eximius (Heuglin, 1869) -- valid -- Black-backed Cisticola
  Cisticola fulvicapillus (Vieillot, 1817) -- invalid
  Cisticola galactotes (Temminck, 1821) -- valid -- Rufous-winged Cisticola
  Cisticola haesitatus (P. L. Sclater & Hartlaub, 1881) -- valid -- Socotra Cisticola
  Cisticola hunteri Shelley, 1889 -- valid -- Hunter's Cisticola
  Cisticola incanus P. L. Sclater & Hartlaub, 1881 -- invalid
  Cisticola juncidis (Rafinesque, 1810) -- valid -- Zitting Cisticola
  Cisticola lais (Hartlaub & Finsch, 1870) -- valid -- Wailing Cisticola
  Cisticola lateralis (Fraser, 1843) -- valid -- Whistling Cisticola
  Cisticola lepe Lynes, 1930 -- valid -- Lepe Cisticola
  Cisticola melanurus (Cabanis, 1882) -- valid -- Black-tailed Cisticola
  Cisticola mongalla Lynes, 1930 -- invalid
  Cisticola nanus Fischer & Reichenow, 1884 -- invalid
  Cisticola natalensis (A. Smith, 1843) -- valid -- Croaking Cisticola
  Cisticola nigriloris Shelley, 1897 -- valid -- Black-lored Cisticola
  Cisticola njombe Lynes, 1933 -- valid -- Churring Cisticola
  Cisticola pipiens Lynes, 1930 -- valid -- Chirping Cisticola
  Cisticola restrictus Traylor, 1967 -- valid -- Tana River Cisticola
  Cisticola robustus (Rüppell, 1845) -- valid -- Stout Cisticola
  Cisticola ruficeps (Cretzschmar, 1830) -- valid -- Red-pate Cisticola
  Cisticola rufilatus (Hartlaub, 1870) -- valid -- Tinkling Cisticola
  Cisticola rufus (Fraser, 1843) -- valid -- Rufous Cisticola
  Cisticola subruficapillus (A. Smith, 1843) -- invalid
  Cisticola textrix (Vieillot, 1817) -- valid -- Cloud Cisticola
  Cisticola tinniens (Lichtenstein, 1842) -- valid -- Levaillant's Cisticola
  Cisticola troglodytes (Antinori, 1864) -- valid -- Foxy Cisticola
  Cisticola woosnami Ogilvie-Grant, 1908 -- valid -- Trilling Cisticola
  Cisticolidae Sundevall, 1872 -- valid
  Cistothorus Cabanis, 1850 -- valid -- Marsh Wrens
  Cistothorus apolinari Chapman, 1914 -- valid -- Apolinar's Wren
  Cistothorus meridae Hellmayr, 1907 -- valid -- Merida Wren
  Cistothorus palustris (A. Wilson, 1810) -- valid -- Chivirín pantanero, Marsh Wren, troglodyte des marais
  Cistothorus platensis (Latham, 1790) -- valid -- Chivirín sabanero, Sedge Wren, troglodyte à bec court
  Cittura Kaup, 1848 -- valid
  Cittura cyanotis (Temminck, 1824) -- valid -- Lilac Kingfisher, Lilac-cheeked Kingfisher, Martín cazador de Célebes, Martin-chasseur oreillard, Sulawesi Lilac Kingfisher
  Cladorhynchus G. R. Gray, 1840 -- valid
  Cladorhynchus leucocephalus (Vieillot, 1816) -- valid -- Banded Stilt, Échasse à tête blanche, Cigüeñuela pechirroja, pernilongo-de-peito-vermelho
  Clamator Kaup, 1829 -- valid -- Chestnut-winged Cuckoos
  Clamator coromandus (Linnaeus, 1766) -- valid -- Chestnut-winged Cuckoo
  Clamator glandarius (Linnaeus, 1758) -- valid -- Great Spotted Cuckoo
  Clangula Leach, 1819 -- valid -- Long-tailed Duck
  Clangula hyemalis (Linnaeus, 1758) -- valid -- Long-tailed Duck, Pato cola larga, Harelde kakawi, Pato havelda, pato-rabilongo
  Claravis Oberholser, 1899 -- valid
  Claravis godefrida (Temminck, 1811) -- invalid -- Purple-winged Ground Dove
  Claravis mondetoura (Bonaparte, 1856) -- valid -- Tórtola pecho morado, Maroon-chested Ground Dove, Maroon-chested Ground-Dove
  Claravis pretiosa (Ferrari-Pérez, 1886) -- valid -- Tórtola azul, Blue Ground Dove, Blue Ground-Dove
  Cleptornis Oustalet, 1889 -- valid -- Golden Honeyeaters
  Cleptornis marchei (Oustalet, 1889) -- valid -- Golden Honeyeater, Golden White-eye
  Clibanornis P. L. Sclater & Salvin, 1873 -- valid
  Clibanornis dendrocolaptoides (Pelzeln, 1859) -- valid -- Canebrake Groundcreeper
  Climacteridae -- valid
  Climacteris Temminck, 1820 -- valid
  Climacteris affinis Blyth, 1864 -- valid -- White-browed Treecreeper
  Climacteris erythrops Gould, 1841 -- valid -- Red-browed Treecreeper
  Climacteris melanura Gould, 1843 -- invalid
  Climacteris picumnus Temminck, 1824 -- valid -- Brown Treecreeper
  Climacteris rufa Gould, 1841 -- invalid
  Clytoceyx Sharpe, 1880 -- valid
  Clytoceyx rex Sharpe, 1880 -- valid -- Shovel-billed Kookaburra, Martín cazador picopala, Martin-chasseur bec-en-cuillère, Shovel-billed Kingfisher
  Clytoctantes Elliot, 1870 -- valid
  Clytoctantes alixii Elliot, 1870 -- valid -- Recurve-billed Bushbird
  Clytoctantes atrogularis S. Lanyon, Stotz & Willard, 1991 -- valid -- Rondonia Bushbird
  Clytolaema Gould, 1853 -- valid
  Clytolaema rubricauda (Boddaert, 1783) -- valid -- Brazilian Ruby
  Clytomyias Sharpe, 1879 -- valid
  Clytomyias insignis Sharpe, 1879 -- valid -- Orange-crowned Fairywren
  Clytorhynchus Elliot, 1870 -- valid -- Shrikebills
  Clytorhynchus hamlini (Mayr, 1931) -- valid -- Rennell Shrikebill
  Clytorhynchus nigrogularis (E. L. Layard, 1875) -- valid -- Black-throated Shrikebill
  Clytorhynchus pachycephaloides Elliot, 1870 -- valid -- Southern Shrikebill
  Clytorhynchus vitiensis (Hartlaub, 1866) -- valid -- Fiji Shrikebill
  Clytospiza Shelley, 1896 -- valid
  Clytospiza monteiri (Hartlaub, 1860) -- valid -- Brown Twinspot
  Cnemarchus Ridgway, 1905 -- valid
  Cnemarchus erythropygius (P. L. Sclater, 1853) -- valid -- Red-rumped Bush Tyrant
  Cnemophilus De Vis, 1890 -- valid
  Cnemophilus loriae (Salvadori, 1895) -- valid -- Velvet Satinbird
  Cnemophilus macgregorii De Vis, 1890 -- valid -- Antenna Satinbird
  Cnemoscopus Bangs & T. E. Penard, 1919 -- valid
  Cnemoscopus rubrirostris (Lafresnaye, 1840) -- valid -- Grey-hooded Bush Tanager, Tangara capucin, Tangara piquirrubio, Gray-hooded Bush Tanager, Grey-hooded Tanager
  Cnemotriccus Hellmayr, 1927 -- valid
  Cnemotriccus fuscatus (Wied-Neuwied, 1831) -- valid -- Fuscous Flycatcher
  Cnipodectes P. L. Sclater & Salvin, 1873 -- valid
  Cnipodectes subbrunneus (P. L. Sclater, 1860) -- valid -- Brownish Flycatcher, Brownish Twistwing
  Coccothraustes Brisson, 1760 -- valid -- Hawfinches
  Coccothraustes coccothraustes (Linnaeus, 1758) -- valid -- Hawfinch
  Coccycolius Oustalet, 1879 -- invalid
  Coccycolius iris Oustalet, 1879 -- invalid
  Coccyzidae -- invalid
  Coccyzus Vieillot, 1816 -- valid -- Spotted-tailed Cuckoos
  Coccyzus americanus (Linnaeus, 1758) -- valid -- Cuclillo pico amarillo, Yellow-billed Cuckoo, coulicou à bec jaune
  Coccyzus cinereus Vieillot, 1817 -- valid
  Coccyzus erythropthalmus (A. Wilson, 1811) -- valid -- Cuclillo pico negro, Black-billed Cuckoo, coulicou à bec noir
  Coccyzus euleri Cabanis, 1873 -- valid -- Pearly-breasted Cuckoo
  Coccyzus ferrugineus Gould, 1843 -- valid -- Cocos Cuckoo
  Coccyzus lansbergi Bonaparte, 1850 -- valid -- Grey-capped Cuckoo
  Coccyzus melacoryphus Vieillot, 1817 -- valid -- Dark-billed Cuckoo
  Coccyzus minor (Gmelin, 1788) -- valid -- Cuclillo manglero, Mangrove Cuckoo
  Coccyzus pumilus Strickland, 1852 -- valid
  Cochlearius Brisson, 1760 -- valid
  Cochlearius cochlearia (Linnaeus, 1766) -- invalid
  Cochlearius cochlearius (Linnaeus, 1766) -- valid -- Garza cucharón, Boat-billed Heron, Savacou huppé
  Cochoa Hodgson, 1836 -- valid
  Cochoa azurea (Temminck, 1824) -- valid -- Javan Cochoa
  Cochoa beccarii Salvadori, 1879 -- valid -- Sumatran Cochoa
  Cochoa purpurea Hodgson, 1836 -- valid -- Purple Cochoa
  Cochoa viridis Hodgson, 1836 -- valid -- Green Cochoa
  Coeligena R. Lesson, 1833 -- valid
  Coeligena bonapartei (Boissonneau, 1840) -- valid -- Golden-bellied Starfrontlet
  Coeligena coeligena (R. Lesson, 1833) -- valid -- Bronzy Inca
  Coeligena helianthea (R. Lesson, 1839) -- valid -- Blue-throated Starfrontlet
  Coeligena iris (Gould, 1853) -- valid -- Rainbow Starfrontlet
  Coeligena lutetiae (Delattre & Bourcier, 1846) -- valid -- Buff-winged Starfrontlet
  Coeligena orina Wetmore, 1953 -- valid -- Dusky Starfrontlet
  Coeligena phalerata (Bangs, 1898) -- valid -- White-tailed Starfrontlet
  Coeligena prunellei (Bourcier, 1843) -- valid -- Black Inca
  Coeligena torquata (Boissonneau, 1840) -- valid -- Collared Inca
  Coeligena violifer (Gould, 1846) -- valid -- Violet-throated Starfrontlet
  Coeligena wilsoni (Delattre & Bourcier, 1846) -- valid -- Brown Inca
  Coenocorypha G. R. Gray, 1855 -- valid
  Coenocorypha aucklandica (G. R. Gray, 1845) -- valid -- New Zealand Snipe, Subantarctic Snipe, Bécassine des Auckland, Chochita de las Auckland, narceja-das-auckland
  Coenocorypha pusilla (Buller, 1869) -- valid -- Chatham Snipe, Bécassine des Chatham, Chochita de las Chatham, narceja-das-chatham, Chatham Islands Snipe
  Coereba Vieillot, 1809 -- valid -- Bananaquits, Bananaquit
  Coereba flaveola (Linnaeus, 1758) -- valid -- Sucrier à ventre jaune, Platanero, cambacica, Bananaquit, Reinita-mielera
  Colaptes Swainson, 1825 -- invalid
  Colaptes atricollis (Malherbe, 1850) -- valid -- Black-necked Woodpecker
  Colaptes auratus (Linnaeus, 1758) -- valid -- Carpintero de pechera, Northern Flicker, pic flamboyant
  Colaptes campestris (Vieillot, 1818) -- valid -- Campo Flicker
  Colaptes chrysoides (Malherbe, 1852) -- valid -- Gilded Flicker
  Colaptes fernandinae Vigors, 1827 -- valid -- Fernandina's Flicker
  Colaptes melanochloros (J. F. Gmelin, 1788) -- valid -- Green-barred Woodpecker
  Colaptes pitius (Molina, 1782) -- valid -- Chilean Flicker
  Colaptes punctigula (Boddaert, 1783) -- valid -- Spot-breasted Woodpecker
  Colaptes rupicola d'Orbigny, 1840 -- valid -- Andean Flicker
  Colibri von Spix, 1824 -- valid -- Violet-ears
  Colibri coruscans (Gould, 1846) -- valid -- Sparkling Violetear
  Colibri delphinae (R. Lesson, 1839) -- valid -- Brown Violet-ear, Brown Violetear
  Colibri serrirostris (Vieillot, 1816) -- valid -- White-vented Violetear
  Colibri thalassinus (Swainson, 1827) -- valid -- Colibrí oreja violeta, Green Violet-ear, Green Violetear, Mexican Violetear
  Coliidae -- valid -- Mousebirds
  Coliiformes -- valid -- mousebirds, Colies
  Colinus Goldfuss, 1820 -- valid -- Bobwhites
  Colinus cristatus (Linnaeus, 1766) -- valid -- Colin huppé, Colín crestudo, uru-do-campo, Crested Bobwhite
  Colinus nigrogularis (Gould, 1843) -- valid -- Colin à gorge noire, Colín gorjinegro, uru-de-papo-preto, Codorniz yucateca, Black-throated Bobwhite, Yucatan Bobwhite
  Colinus virginianus (Linnaeus, 1758) -- valid -- Colín de Virginia, codorniz-da-virgínia, Codorniz cotuí, Northern Bobwhite, colin de Virginie
  Colius Brisson, 1760 -- valid
  Colius castanotus J. Verreaux & É. Verreaux, 1855 -- valid -- Red-backed Mousebird, rabo-de-junco-de-dorso-vermelho, Pájaro ratón dorsirrojo, Coliou à dos marron
  Colius colius (Linnaeus, 1766) -- valid -- White-backed Mousebird, rabo-de-junco-de-dorso-branco, Pájaro ratón dorsiblanco, Coliou à dos blanc
  Colius leucocephalus Reichenow, 1879 -- valid -- White-headed Mousebird, Coliou à tête blanche, Pájaro ratón cabeciblanco
  Colius striatus J. F. Gmelin, 1789 -- valid -- Speckled Mousebird, Pájaro ratón común, rabo-de-junco-de-peito-barrado, Coliou rayé
  Collocalia G. R. Gray, 1840 -- valid
  Collocalia esculenta (Linnaeus, 1758) -- valid -- Glossy Swiftlet
  Collocalia linchi Horsfield & F. Moore, 1854 -- valid -- Cave Swiftlet
  Collocalia troglodytes G. R. Gray, 1845 -- valid -- Pygmy Swiftlet
  Colluricincla Vigors & Horsfield, 1827 -- valid
  Colluricincla boweri E. P. Ramsay, 1885 -- valid -- Bower's Shrikethrush
  Colluricincla harmonica (Latham, 1802) -- valid -- Grey Shrikethrush
  Colluricincla megarhyncha (Quoy & Gaimard, 1830) -- valid -- Little Shrikethrush
  Colluricincla tenebrosa (Hartlaub & Finsch, 1868) -- invalid -- Morningbird, Palau Morning Bird
  Colluricincla umbrina (Reichenow, 1915) -- invalid -- Sooty Shrikethrush
  Colluricincla woodwardi Hartert, 1905 -- valid -- Sandstone Shrikethrush
  Colonia J. E. Gray, 1828 -- valid
  Colonia colonus (Vieillot, 1818) -- valid -- Long-tailed Tyrant
  Colorhamphus Sundevall, 1872 -- valid
  Colorhamphus parvirostris (Darwin, 1839) -- valid -- Patagonian Tyrant
  Columba Linnaeus, 1758 -- valid -- Pigeons
  Columba albinucha Sassi, 1911 -- valid -- White-naped Pigeon
  Columba albitorques Rüppell, 1837 -- valid -- White-collared Pigeon
  Columba araucana R. Lesson & Garnot, 1827 -- invalid
  Columba argentina Bonaparte, 1855 -- valid -- Silvery Pigeon
  Columba arquatrix Temminck, 1808 -- valid -- African Olive Pigeon
  Columba bollii Godman, 1872 -- valid -- Bolle's Pigeon
  Columba caribaea Jacquin, 1784 -- invalid
  Columba cayennensis Bonnaterre, 1792 -- invalid -- Paloma colorada
  Columba corensis Jacquin, 1784 -- invalid
  Columba delegorguei Delegorgue, 1847 -- valid -- Eastern Bronze-naped Pigeon
  Columba elphinstonii (Sykes, 1832) -- valid -- Nilgiri Wood Pigeon
  Columba eversmanni Bonaparte, 1856 -- valid -- Yellow-eyed Pigeon
  Columba fasciata Say, 1822 -- invalid -- Band-tailed Pigeon, Paloma de collar
  Columba flavirostris Wagler, 1831 -- invalid -- Red-billed Pigeon, Paloma morada
  Columba goodsoni Hartert, 1902 -- invalid
  Columba guinea Linnaeus, 1758 -- valid -- Speckled Pigeon
  Columba hodgsonii Vigors, 1832 -- valid -- Speckled Wood Pigeon
  Columba inornata Vigors, 1827 -- invalid -- Plain Pigeon
  Columba iriditorques Cassin, 1856 -- valid -- Western Bronze-naped Pigeon
  Columba janthina Temminck, 1830 -- valid -- Japanese Wood Pigeon
  Columba jouyi (Stejneger, 1887) -- valid -- Ryukyu Wood Pigeon
  Columba junoniae Hartert, 1916 -- valid -- Laurel Pigeon
  Columba larvata Temminck, 1809 -- valid -- African Lemon Dove, Lemon Dove
  Columba leucocephala Linnaeus, 1758 -- invalid -- White-crowned Pigeon, Paloma corona blanca
  Columba leucomela Temminck, 1821 -- valid -- White-headed Pigeon
  Columba leuconota Vigors, 1831 -- valid -- Snow Pigeon
  Columba livia J. F. Gmelin, 1789 -- valid -- Paloma doméstica, Rock Dove, pigeon biset, Common Pigeon, Rock Pigeon
  Columba maculosa Temminck, 1813 -- invalid
  Columba malherbii J. Verreaux & E. Verreaux, 1851 -- valid -- Island Bronze-naped Pigeon
  Columba mayeri Prévost, 1843 -- invalid
  Columba nigrirostris P. L. Sclater, 1860 -- invalid -- Paloma triste
  Columba oenas Linnaeus, 1758 -- valid -- Stock Dove
  Columba oenops Salvin, 1895 -- invalid
  Columba oliviae S. Clarke, 1918 -- valid -- Somali Pigeon
  Columba pallidiceps (E. P. Ramsay, 1878) -- valid -- Yellow-legged Pigeon
  Columba palumboides (Hume, 1873) -- valid -- Andaman Wood Pigeon
  Columba palumbus Linnaeus, 1758 -- valid -- Common Wood Pigeon
  Columba picazuro Temminck, 1813 -- invalid
  Columba picturata Temminck, 1813 -- invalid
  Columba plumbea Vieillot, 1818 -- invalid
  Columba pollenii Schlegel, 1865 -- valid -- Comoros Olive Pigeon
  Columba pulchricollis Blyth, 1846 -- valid -- Ashy Wood Pigeon
  Columba punicea Blyth, 1842 -- valid -- Pale-capped Pigeon
  Columba rupestris Pallas, 1811 -- valid -- Hill Pigeon
  Columba sjostedti Reichenow, 1901 -- valid -- Cameroon Olive Pigeon
  Columba speciosa J. F. Gmelin, 1789 -- invalid -- Paloma escamosa
  Columba squamosa Bonnaterre, 1792 -- invalid -- Scaly-naped Pigeon
  Columba subvinacea (Lawrence, 1868) -- invalid
  Columba thomensis Barboza du Bocage, 1888 -- valid -- Sao Tome Olive Pigeon
  Columba torringtoni (Bonaparte, 1854) -- invalid
  Columba trocaz Heineken, 1829 -- valid -- Trocaz Pigeon
  Columba unicincta Cassin, 1860 -- valid -- Afep Pigeon
  Columba versicolor Kittlitz, 1832 -- valid -- Bonin Wood Pigeon
  Columba vitiensis Quoy & Gaimard, 1832 -- valid -- Metallic Pigeon
  Columbidae -- valid -- Doves, colombes, pigeons
  Columbiformes -- valid -- Doves, colombes, pigeons, Pigeons
  Columbina von Spix, 1825 -- valid -- Ground-Doves
  Columbina buckleyi (P. L. Sclater & Salvin, 1877) -- valid -- Ecuadorian Ground Dove
  Columbina cruziana (Prévost, 1842) -- valid -- Croaking Ground Dove
  Columbina cyanopis (Pelzeln, 1870) -- valid -- Blue-eyed Ground Dove
  Columbina inca (R. Lesson, 1847) -- valid -- Inca Dove, Tórtola cola larga
  Columbina minuta (Linnaeus, 1766) -- valid -- Tórtola pecho liso, Plain-breasted Ground-Dove, Plain-breasted Ground Dove
  Columbina passerina (Linnaeus, 1758) -- valid -- Common Ground-Dove, Tórtola coquita, Common Ground Dove
  Columbina picui (Temminck, 1813) -- valid -- Picui Ground Dove
  Columbina squammata (R. Lesson, 1831) -- valid -- Scaled Dove
  Columbina talpacoti (Temminck, 1810) -- valid -- Ruddy Ground-Dove, Tórtola rojiza, Ruddy Ground Dove
  Compsothraupis Richmond, 1915 -- valid
  Compsothraupis loricata (M. H. K. Lichtenstein, 1819) -- valid -- Scarlet-throated Tanager, Tangara à gorge écarlate, Tangara gorjirroja, tiê-caburé
  Conioptilon Lowery & O'Neill, 1966 -- valid
  Conioptilon mcilhennyi Lowery & O'Neill, 1966 -- valid -- Black-faced Cotinga
  Conirostrum d'Orbigny & Lafresnaye, 1838 -- valid
  Conirostrum albifrons Lafresnaye, 1842 -- valid -- Capped Conebill, Conirostre coiffé, Conirrostro coronado
  Conirostrum bicolor (Vieillot, 1809) -- valid -- Bicolored Conebill, Conirostre bicolore, Conirrostro bicolor, figuinha-do-mangue
  Conirostrum cinereum d'Orbigny & Lafresnaye, 1838 -- valid -- Cinereous Conebill, Conirostre cendré, Conirrostro cinéreo
  Conirostrum ferrugineiventre P. L. Sclater, 1855 -- valid -- White-browed Conebill, Conirostre à ventre roux, Conirrostro cejiblanco
  Conirostrum leucogenys (Lafresnaye, 1852) -- valid -- White-eared Conebill, Conirostre oreillard, Conirrostro orejiblanco
  Conirostrum margaritae (Holt, 1931) -- valid -- Pearly-breasted Conebill, Conirostre marguerite, Conirrostro pechigrís, figuinha-amazônica
  Conirostrum rufum Lafresnaye, 1843 -- valid -- Rufous-browed Conebill, Conirostre roux, Conirrostro rufo
  Conirostrum sitticolor Lafresnaye, 1840 -- valid -- Blue-backed Conebill, Conirostre à cape bleue, Conirrostro dorsiazul
  Conirostrum speciosum (Temminck, 1824) -- valid -- Chestnut-vented Conebill, Conirostre cul-roux, Conirrostro culirrufo, figuinha-de-rabo-castanho
  Conirostrum tamarugense A. W. Johnson & Millie, 1972 -- valid -- Tamarugo Conebill, Conirostre des tamarugos, Conirrostro de tamarugal
  Conopias Cabanis & Heine, 1859 -- valid
  Conopias albovittata (Lawrence, 1862) -- invalid
  Conopias cinchoneti (Tschudi, 1844) -- valid -- Lemon-browed Flycatcher
  Conopias parva (Pelzeln, 1868) -- invalid
  Conopias trivirgata (Wied-Neuwied, 1831) -- invalid
  Conopophaga Vieillot, 1816 -- valid
  Conopophaga ardesiaca Orbigny & Lafresnaye, 1837 -- valid -- Slaty Gnateater
  Conopophaga aurita (Gmelin, 1789) -- valid -- Chestnut-belted Gnateater
  Conopophaga castaneiceps P. L. Sclater, 1857 -- valid -- Chestnut-crowned Gnateater
  Conopophaga lineata (Wied-Neuwied, 1831) -- valid -- Rufous Gnateater
  Conopophaga melanogaster Ménétriés, 1835 -- valid -- Black-bellied Gnateater
  Conopophaga melanops (Vieillot, 1818) -- valid -- Black-cheeked Gnateater
  Conopophaga peruviana Des Murs, 1856 -- valid -- Ash-throated Gnateater
  Conopophaga roberti Hellmayr, 1905 -- valid -- Hooded Gnateater
  Conopophagidae Sclater & Salvin, 1873 -- valid
  Conopophila Reichenbach, 1852 -- valid
  Conopophila albogularis (Gould, 1843) -- valid -- Rufous-banded Honeyeater, Méliphage à gorge blanche, Mielero pechirrufo
  Conopophila rufogularis (Gould, 1843) -- valid -- Rufous-throated Honeyeater, Méliphage à gorge rousse, Mielero golirrufo
  Conopophila whitei (North, 1910) -- valid -- Grey Honeyeater, Méliphage de White, Mielero de White, Gray Honeyeater
  Conostoma Hodgson, 1841 -- valid
  Conostoma oemodium Hodgson, 1842 -- invalid -- Great Parrotbill
  Conothraupis P. L. Sclater, 1880 -- valid
  Conothraupis mesoleuca (Berlioz, 1939) -- valid -- Cone-billed Tanager, Tangara de Berlioz, Tangara picuda, tiê-bicudo
  Conothraupis speculigera (Gould, 1855) -- valid -- Black-and-white Tanager, Tangara à miroir blanc, Tangara albinegra, tiê-preto-e-branco
  Contopus Cabanis, 1855 -- valid -- Pewees
  Contopus albogularis (Berlioz, 1962) -- valid -- White-throated Pewee
  Contopus caribaeus (Orbigny, 1839) -- valid -- Greater Antillean Pewee, Cuban Pewee
  Contopus cinereus (Spix, 1825) -- valid -- Tropical Pewee, Pibí tropical
  Contopus cooperi (Nuttall, 1831) -- valid -- Olive-sided Flycatcher, moucherolle à côtés olive
  Contopus fumigatus (Orbigny & Lafresnaye, 1837) -- valid -- Smoke-colored Pewee
  Contopus hispaniolensis (H. Bryant, 1867) -- valid -- Hispaniolan Pewee
  Contopus latirostris (J. Verreaux, 1866) -- valid -- Lesser Antillean Pewee
  Contopus lugubris Lawrence, 1865 -- valid -- Dark Pewee
  Contopus nigrescens (P. L. Sclater & Salvin, 1880) -- valid -- Blackish Pewee
  Contopus ochraceus P. L. Sclater & Salvin, 1869 -- valid -- Ochraceous Pewee
  Contopus pallidus (Gosse, 1847) -- valid -- Jamaican Pewee
  Contopus pertinax Cabanis & Heine, 1859 -- valid -- Greater Pewee, Pibí tengofrío
  Contopus sordidulus P. L. Sclater, 1859 -- valid -- Western Wood-Pewee, Pibí occidental, Western Wood Pewee
  Contopus virens (Linnaeus, 1766) -- valid -- Pibí oriental, Eastern Wood-Pewee, pioui de l'est, Eastern Wood Pewee
  Conuropsis Salvadori, 1891 -- valid -- Carolina Parakeets
  Conuropsis carolinensis (Linnaeus, 1758) -- valid -- Carolina Parakeet, Conure de Caroline, Cotorra de Carolina, periquito-da-carolina
  Copsychus Wagler, 1827 -- valid -- Shamas
  Copsychus albospecularis (Eydoux & Gervais, 1836) -- valid -- Madagascar Magpie-Robin
  Copsychus cebuensis (Steere, 1890) -- valid -- Black Shama, Cebu Black Thrush, Cebu Black Shama
  Copsychus luzoniensis (Kittlitz, 1832) -- valid -- White-browed Shama
  Copsychus malabaricus (Scopoli, 1786) -- valid -- White-rumped Shama
  Copsychus niger (Sharpe, 1877) -- valid -- White-vented Shama
  Copsychus saularis (Linnaeus, 1758) -- valid -- Oriental Magpie-Robin
  Copsychus sechellarum A. Newton, 1865 -- valid -- Seychelles Magpie-Robin, Seychelles Thrush
  Copsychus stricklandii Motley & Dillwyn, 1855 -- valid -- White-crowned Shama
  Coracias Linnaeus, 1758 -- valid
  Coracias abyssinica Hermann, 1783 -- invalid
  Coracias benghalensis (Linnaeus, 1758) -- valid -- Indian Roller, rolieiro-indiano, Carraca india, Rollier indien
  Coracias caudata Linnaeus, 1766 -- invalid
  Coracias cyanogaster Cuvier, 1816 -- valid -- Blue-bellied Roller, rolieiro-de-barriga-azul, Carraca blanquiazul, Rollier à ventre bleu
  Coracias garrulus Linnaeus, 1758 -- valid -- European Roller, rolieiro, Carraca europea, Rollier d'Europe
  Coracias noevia Daudin, 1800 -- invalid
  Coracias spatulata Trimen, 1880 -- invalid
  Coracias temminckii (Vieillot, 1819) -- valid -- Purple-winged Roller, Sulawesi Roller, Carraca de Célebes, Rollier de Temminck
  Coraciidae -- valid -- Rollers
  Coraciiformes -- valid -- Motmots, Bee-eaters, Todies, Kingfishers, Rollers, martins-pêcheurs
  Coracina Vieillot, 1816 -- valid -- Cuckoo-Shrikes
  Coracina abbotti (Riley, 1918) -- valid -- Pygmy Cuckooshrike
  Coracina analis (J. Verreaux & Des Murs, 1860) -- valid -- New Caledonian Cuckooshrike
  Coracina atriceps (S. Muller, 1843) -- valid -- Moluccan Cuckooshrike
  Coracina azurea (Cassin, 1852) -- valid -- Blue Cuckooshrike
  Coracina bicolor (Temminck, 1824) -- valid -- Pied Cuckooshrike
  Coracina boyeri (G. R. Gray, 1846) -- valid -- Boyer's Cuckooshrike
  Coracina caeruleogrisea (G. R. Gray, 1858) -- valid -- Stout-billed Cuckooshrike
  Coracina caesia (Lichtenstein, 1823) -- valid -- Grey Cuckooshrike
  Coracina caledonica (Gmelin, 1788) -- valid -- Melanesian Cuckooshrike
  Coracina ceramensis (Bonaparte, 1850) -- valid -- Pale Cicadabird
  Coracina cinerea (Statius Muller, 1776) -- valid -- Madagascar Cuckooshrike
  Coracina coerulescens (Blyth, 1842) -- valid -- Blackish Cuckooshrike
  Coracina dispar (Salvadori, 1878) -- valid -- Kai Cicadabird
  Coracina dohertyi (Hartert, 1896) -- valid -- Pale-shouldered Cicadabird
  Coracina fimbriata (Temminck, 1824) -- valid -- Lesser Cuckooshrike
  Coracina fortis (Salvadori, 1878) -- valid -- Buru Cuckooshrike
  Coracina graueri Neumann, 1908 -- valid -- Grauer's Cuckooshrike
  Coracina holopolia (Sharpe, 1888) -- valid -- Black-bellied Cicadabird
  Coracina incerta (A. B. Meyer, 1874) -- valid -- Black-shouldered Cicadabird
  Coracina javensis (Horsfield, 1821) -- valid -- Javan Cuckooshrike
  Coracina larvata (S. Muller, 1843) -- valid -- Sunda Cuckooshrike
  Coracina leucopygia (Bonaparte, 1850) -- valid -- White-rumped Cuckooshrike
  Coracina lineata (Swainson, 1825) -- valid -- Barred Cuckooshrike
  Coracina longicauda (De Vis, 1890) -- valid -- Hooded Cuckooshrike
  Coracina macei (Lesson, 1831) -- valid -- Large Cuckooshrike
  Coracina maxima (Rüppell, 1839) -- valid -- Ground Cuckooshrike
  Coracina mcgregori (Mearns, 1907) -- valid -- McGregor's Cuckooshrike
  Coracina melanoptera (Rüppell, 1839) -- valid -- Black-headed Cuckooshrike
  Coracina melas (Lesson, 1828) -- valid -- Black Cicadabird
  Coracina melaschistos (Hodgson, 1836) -- valid -- Black-winged Cuckooshrike
  Coracina mindanensis (Tweeddale, 1879) -- valid -- Black-bibbed Cicadabird
  Coracina montana (A. B. Meyer, 1874) -- valid -- Black-bellied Cuckooshrike
  Coracina morio (S. Muller, 1843) -- valid -- Sulawesi Cicadabird
  Coracina newtoni (Pollen, 1866) -- valid -- Reunion Cuckooshrike
  Coracina novaehollandiae (Gmelin, 1789) -- valid -- Black-faced Cuckooshrike
  Coracina ostenta Ripley, 1952 -- valid -- White-winged Cuckooshrike
  Coracina papuensis (Gmelin, 1788) -- valid -- White-bellied Cuckooshrike
  Coracina parvula (Salvadori, 1878) -- valid -- Halmahera Cuckooshrike
  Coracina pectoralis (Jardine & Selby, 1828) -- valid -- White-breasted Cuckooshrike
  Coracina personata (S. Muller, 1843) -- valid -- Wallacean Cuckooshrike
  Coracina polioptera (Sharpe, 1878) -- valid -- Indochinese Cuckooshrike
  Coracina schistacea (Sharpe, 1878) -- valid -- Slaty Cuckooshrike
  Coracina schisticeps (G. R. Gray, 1846) -- valid -- Black-tipped Cicadabird
  Coracina striata (Boddaert, 1783) -- valid -- Bar-bellied Cuckooshrike
  Coracina sula (Hartert, 1918) -- valid -- Sula Cicadabird
  Coracina temminckii (S. Muller, 1843) -- valid -- Cerulean Cuckooshrike
  Coracina tenuirostris (Jardine, 1831) -- valid -- Cicadabird, Common Cicadabird
  Coracina typica (Hartlaub, 1865) -- valid -- Mauritius Cuckooshrike
  Coracopsis Wagler, 1832 -- valid
  Coracopsis nigra (Linnaeus, 1758) -- valid -- Lesser Vasa Parrot, Black Parrot, Vaza noir, Loro negro, papagaio-preto
  Coracopsis vasa (Shaw, 1812) -- valid -- Greater Vasa Parrot, Vasa Parrot, Grand Vaza, Loro vasa, papagaio-vasa
  Coracornis Riley, 1918 -- valid
  Coracornis raveni Riley, 1918 -- valid -- Maroon-backed Whistler
  Coragyps Geoffroy Saint-Hilaire, 1853 -- invalid -- Black Vultures
  Coragyps atratus (Bechstein, 1793) -- valid -- Black Vulture, Zopilote común, Urubu noir
  Corapipo Bonaparte, 1854 -- valid
  Corapipo altera Hellmayr, 1906 -- valid -- White-ruffed Manakin
  Corapipo gutturalis (Linnaeus, 1766) -- valid -- White-throated Manakin
  Corapipo leucorrhoa (P. L. Sclater, 1863) -- valid -- White-ruffed Manakin
  Corcorax Lesson, 1831 -- valid
  Corcorax melanorhamphos (Vieillot, 1817) -- invalid
  Cormobates Mathews, 1922 -- valid
  Cormobates leucophaeus (Latham, 1802) -- invalid
  Cormobates placens (P. L. Sclater, 1874) -- valid -- Papuan Treecreeper
  Corvidae Leach, 1820 -- valid -- Crows, Jays, Magpies, corneilles, geais, pies
  Corvinella Lesson, 1831 -- valid
  Corvinella corvina (Shaw, 1809) -- valid -- Yellow-billed Shrike
  Corvinella melanoleuca (Jardine, 1831) -- invalid
  Corvus Linnaeus, 1758 -- valid -- Crows
  Corvus albicollis Latham, 1790 -- valid -- White-necked Raven
  Corvus albus Statius Muller, 1776 -- valid -- Pied Crow
  Corvus bennetti North, 1901 -- valid -- Little Crow
  Corvus boreus I. Rowley, 1970 -- invalid
  Corvus brachyrhynchos C. L. Brehm, 1822 -- valid -- Cuervo americano, American Crow, corneille d'Amérique
  Corvus capensis Lichtenstein, 1823 -- valid -- Cape Crow
  Corvus caurinus S. F. Baird, 1858 -- valid -- Northwestern Crow
  Corvus corax Linnaeus, 1758 -- valid -- Cuervo común, Common Raven, grand corbeau, Northern Raven
  Corvus corone Linnaeus, 1758 -- valid -- Carrion Crow
  Corvus coronoides Vigors & Horsfield, 1827 -- valid -- Australian Raven
  Corvus crassirostris Rüppell, 1836 -- valid -- Thick-billed Raven
  Corvus cryptoleucus Couch, 1854 -- valid -- Chihuahuan Raven, Cuervo llanero
  Corvus dauuricus Pallas, 1776 -- invalid -- Daurian Jackdaw
  Corvus enca (Horsfield, 1821) -- valid -- Slender-billed Crow
  Corvus florensis Büttikofer, 1894 -- valid -- Flores Crow
  Corvus frugilegus Linnaeus, 1758 -- valid -- Rook
  Corvus fuscicapillus G. R. Gray, 1859 -- valid -- Brown-headed Crow
  Corvus hawaiiensis Peale, 1848 -- valid -- 'Alala, Hawaiian Crow
  Corvus imparatus J. L. Peters, 1929 -- valid -- Mexican Crow, Cuervo tamaulipeco, Tamaulipas Crow
  Corvus jamaicensis Gmelin, 1788 -- valid -- Jamaican Crow
  Corvus kubaryi Reichenow, 1885 -- valid -- Marianas Crow, Mariana Crow
  Corvus leucognaphalus Daudin, 1800 -- valid -- White-necked Crow
  Corvus levaillantii Lesson, 1831 -- valid -- Jungle Crow
  Corvus macrorhynchos Wagler, 1827 -- valid -- Large-billed Crow
  Corvus meeki Rothschild, 1904 -- valid
  Corvus mellori Mathews, 1912 -- valid -- Little Raven
  Corvus monedula Linnaeus, 1758 -- invalid -- Eurasian Jackdaw, choucas des tours, Western Jackdaw
  Corvus moneduloides Lesson, 1831 -- valid -- New Caledonian Crow
  Corvus nasicus Temminck, 1826 -- valid -- Cuban Crow
  Corvus orru Bonaparte, 1850 -- valid -- Torresian Crow
  Corvus ossifragus A. Wilson, 1812 -- valid -- Fish Crow
  Corvus palmarum Württemberg, 1835 -- valid -- Palm Crow, Hispaniolan Palm Crow
  Corvus rhipidurus Hartert, 1918 -- valid -- Fan-tailed Raven
  Corvus ruficollis Lesson, 1831 -- valid -- Brown-necked Raven
  Corvus sinaloae L. I. Davis, 1958 -- valid -- Cuervo sinaloense, Sinaloa Crow
  Corvus splendens Vieillot, 1817 -- valid -- House Crow
  Corvus tasmanicus Mathews, 1912 -- valid -- Forest Raven
  Corvus torquatus Lesson, 1831 -- valid
  Corvus tristis Lesson & Garnot, 1827 -- valid -- Grey Crow
  Corvus typicus (Bonaparte, 1853) -- valid -- Piping Crow
  Corvus unicolor (Rothschild & Hartert, 1900) -- valid -- Banggai Crow
  Corvus validus Bonaparte, 1850 -- valid -- Long-billed Crow
  Corvus woodfordi (Ogilvie-Grant, 1887) -- valid -- White-billed Crow
  Corydon Lesson, 1828 -- valid
  Corydon sumatranus (Raffles, 1822) -- valid -- Dusky Broadbill
  Coryphaspiza G. R. Gray, 1840 -- valid
  Coryphaspiza melanotis (Temminck, 1822) -- valid -- Black-masked Finch, Coryphaspize à joues noires, Cachilo enmascarado, tico-tico-de-máscara-negra
  Coryphistera Burmeister, 1860 -- valid
  Coryphistera alaudina Burmeister, 1860 -- valid -- Lark-like Brushrunner
  Coryphospingus Cabanis, 1851 -- valid
  Coryphospingus cucullatus (P. L. S. Müller, 1776) -- valid -- Red Pileated Finch, Araguira rougeâtre, Soldadito crestirrojo, tico-tico-rei, Red-crested Finch
  Coryphospingus pileatus (Wied-Neuwied, 1821) -- valid -- Grey Pileated Finch, Araguira gris, Soldadito capirotado, tico-tico-rei-cinza, Pileated Finch
  Corythaeola Heine, 1860 -- valid
  Corythaeola cristata (Vieillot, 1816) -- valid -- Great Blue Turaco
  Corythaixoides A. Smith, 1833 -- valid
  Corythaixoides concolor (A. Smith, 1833) -- valid -- Grey Go-away Bird, Grey Go-away-bird
  Corythaixoides leucogaster (Ruppell, 1842) -- valid -- White-bellied Go-away Bird, White-bellied Go-away-bird
  Corythaixoides personatus (Ruppell, 1842) -- valid -- Bare-faced Go-away Bird, Bare-faced Go-away-bird
  Corythopis Sundevall, 1836 -- valid
  Corythopis delalandi (Lesson, 1831) -- valid -- Southern Antpipit
  Corythopis torquata Tschudi, 1844 -- invalid
  Coscoroba Reichenbach, 1853 -- valid
  Coscoroba coscoroba (Molina, 1782) -- valid -- Coscoroba Swan, Coscoroba blanc, Cisne coscoroba, capororoca
  Cosmopsarus Reichenow, 1879 -- invalid
  Cosmopsarus regius Reichenow, 1879 -- invalid
  Cosmopsarus unicolor Shelley, 1881 -- invalid
  Cossypha Vigors, 1825 -- valid
  Cossypha albicapilla (Vieillot, 1818) -- invalid -- White-crowned Robin-Chat
  Cossypha anomala (Shelley, 1893) -- valid -- Olive-flanked Ground Robin
  Cossypha archeri Sharpe, 1902 -- valid -- Archer's Ground Robin
  Cossypha caffra (Linnaeus, 1771) -- valid -- Cape Robin-Chat
  Cossypha cyanocampter (Bonaparte, 1850) -- valid -- Blue-shouldered Robin-Chat
  Cossypha dichroa (Gmelin, 1789) -- valid -- Chorister Robin-Chat
  Cossypha heinrichi Rand, 1955 -- valid -- White-headed Robin-Chat
  Cossypha heuglini Hartlaub, 1866 -- valid -- White-browed Robin-Chat
  Cossypha humeralis (A. Smith, 1836) -- valid -- White-throated Robin-Chat
  Cossypha isabellae G. R. Gray, 1862 -- valid -- Cameroon Mountain Robin
  Cossypha natalensis A. Smith, 1840 -- valid -- Red-capped Robin-Chat
  Cossypha niveicapilla (Lafresnaye, 1838) -- valid -- Snowy-crowned Robin-Chat
  Cossypha polioptera Reichenow, 1892 -- valid -- Grey-winged Robin-Chat
  Cossypha roberti (Alexander, 1903) -- invalid
  Cossypha semirufa (Rüppell, 1837) -- valid -- Rüppell's Robin-Chat
  Cotinga Brisson, 1760 -- valid
  Cotinga amabilis Gould, 1857 -- valid -- Lovely Cotinga, Cotinga azuleja
  Cotinga cayana (Linnaeus, 1766) -- valid -- Spangled Cotinga
  Cotinga cotinga (Linnaeus, 1766) -- valid -- Purple-breasted Cotinga
  Cotinga maculata (Statius Muller, 1776) -- valid -- Banded Cotinga
  Cotinga maynana (Linnaeus, 1766) -- valid -- Plum-throated Cotinga
  Cotinga nattererii (Boissonneau, 1840) -- valid -- Blue Cotinga
  Cotinga ridgwayi Ridgway, 1887 -- valid -- Turquoise Cotinga
  Coturnicops G. R. Gray, 1855 -- valid -- Yellow Rails
  Coturnicops exquisitus (Swinhoe, 1873) -- valid -- Swinhoe's Rail
  Coturnicops notatus (Gould, 1841) -- valid -- Speckled Crake
  Coturnicops noveboracensis (Gmelin, 1789) -- valid -- Polluela amarilla, Yellow Rail, râle jaune
  Coturnix Bonnaterre, 1791 -- invalid -- Asian Quails
  Coturnix adansonii J. Verreaux & É. Verreaux, 1851 -- invalid -- African Blue Quail, Blue Quail
  Coturnix chinensis (Linnaeus, 1766) -- invalid -- Blue-breasted Quail, King Quail
  Coturnix coromandelica (J. F. Gmelin, 1789) -- valid -- Caille nattée, Codorniz coromandélica, codorna-pluvial, Rain Quail
  Coturnix coturnix (Linnaeus, 1758) -- valid -- Caille des blés, Codorniz común, codorniz, Common Quail
  Coturnix delegorguei Delegorgue, 1847 -- valid -- Caille arlequin, Codorniz arlequín, codorna-arlequim, Harlequin Quail
  Coturnix japonica Temminck & Schlegel, 1848 -- valid -- Caille du Japon, Codorniz japonesa, codorna-japonesa, Japanese Quail
  Coturnix novaezelandiae Quoy & Gaimard, 1832 -- valid -- Caille de Nouvelle-Zélande, Codorniz maorí, codorna-da-nova-zelândia, New Zealand Quail
  Coturnix pectoralis Gould, 1837 -- valid -- Caille des chaumes, Codorniz pectoral, codorna-dos-restolhos, Stubble Quail
  Coturnix ypsilophora Bosc, 1792 -- invalid -- Caille tasmane, Codorniz de Tasmania, codorna-marrom, Brown Quail
  Coua Schinz, 1821 -- valid
  Coua caerulea (Linnaeus, 1766) -- valid -- Blue Coua
  Coua coquereli A. Grandidier, 1867 -- valid -- Coquerel's Coua
  Coua cristata (Linnaeus, 1766) -- valid -- Crested Coua
  Coua cursor A. Grandidier, 1867 -- valid -- Running Coua
  Coua delalandei (Temminck, 1827) -- valid
  Coua gigas (Boddaert, 1783) -- valid -- Giant Coua
  Coua reynaudii Pucheran, 1845 -- valid -- Red-fronted Coua
  Coua ruficeps G. R. Gray, 1846 -- valid -- Red-capped Coua
  Coua serriana Pucheran, 1845 -- valid -- Red-breasted Coua
  Coua verreauxi A. Grandidier, 1867 -- valid -- Verreaux's Coua
  Cracidae -- valid -- Chachalacas, Curassows, Guans
  Craciformes -- invalid
  Cracticus Vieillot, 1816 -- valid
  Cracticus cassicus (Boddaert, 1783) -- valid -- Hooded Butcherbird
  Cracticus louisiadensis Tristram, 1889 -- valid -- Tagula Butcherbird
  Cracticus mentalis Salvadori & Albertis, 1875 -- valid -- Black-backed Butcherbird
  Cracticus nigrogularis (Gould, 1837) -- valid -- Pied Butcherbird
  Cracticus quoyi (Lesson & Garnot, 1827) -- valid -- Black Butcherbird
  Cracticus torquatus (Latham, 1802) -- valid -- Grey Butcherbird
  Cranioleuca Reichenbach, 1853 -- valid
  Cranioleuca albicapilla (Cabanis, 1873) -- valid -- Creamy-crested Spinetail
  Cranioleuca albiceps (Orbigny & Lafresnaye, 1837) -- valid -- Light-crowned Spinetail
  Cranioleuca antisiensis (P. L. Sclater, 1859) -- valid -- Line-cheeked Spinetail
  Cranioleuca curtata (P. L. Sclater, 1870) -- valid -- Ash-browed Spinetail
  Cranioleuca demissa (Salvin & Godman, 1884) -- valid -- Tepui Spinetail
  Cranioleuca dissita (Wetmore, 1957) -- invalid
  Cranioleuca erythrops (P. L. Sclater, 1860) -- valid -- Red-faced Spinetail
  Cranioleuca gutturata (Orbigny & Lafresnaye, 1838) -- valid -- Speckled Spinetail
  Cranioleuca hellmayri (Bangs, 1907) -- valid -- Streak-capped Spinetail
  Cranioleuca henricae Maijer & Fjeldsa, 1997 -- valid -- Inquisivi Spinetail
  Cranioleuca marcapatae Zimmer, 1935 -- valid -- Marcapata Spinetail
  Cranioleuca muelleri (Hellmayr, 1911) -- valid -- Scaled Spinetail
  Cranioleuca obsoleta (Reichenbach, 1853) -- valid -- Olive Spinetail
  Cranioleuca pallida (Wied-Neuwied, 1831) -- valid -- Pallid Spinetail
  Cranioleuca pyrrhophia (Vieillot, 1818) -- valid -- Stripe-crowned Spinetail
  Cranioleuca semicinerea (Reichenbach, 1853) -- valid -- Grey-headed Spinetail
  Cranioleuca subcristata (P. L. Sclater, 1874) -- valid -- Crested Spinetail
  Cranioleuca sulphurifera (Burmeister, 1869) -- valid -- Sulphur-bearded Spinetail
  Cranioleuca vulpecula (P. L. Sclater & Salvin, 1866) -- valid -- Parker's Spinetail
  Cranioleuca vulpina (Pelzeln, 1856) -- valid -- Rusty-backed Spinetail
  Crateroscelis Sharpe, 1883 -- valid
  Crateroscelis murina (P. L. Sclater, 1858) -- valid -- Rusty Mouse Warbler
  Crateroscelis nigrorufa (Salvadori, 1895) -- valid -- Bicolored Mouse Warbler
  Crateroscelis robusta (De Vis, 1898) -- valid -- Mountain Mouse Warbler
  Crax Linnaeus, 1758 -- valid -- Curassows
  Crax alberti Fraser, 1852 -- valid -- Blue-billed Curassow, Hocco d'Albert, Pavón piquiazul, mutum-de-bico-azul, Blue-knobbed Curassow
  Crax alector Linnaeus, 1766 -- valid -- Hocco alector, Pavón guayanés, mutum-poranga, Black Curassow
  Crax blumenbachii Spix, 1825 -- valid -- Hocco de Blumenbach, Pavón piquirrojo, mutum-de-bico-vermelho, Red-knobbed Curassow, Red-billed Curassow
  Crax daubentoni G. R. Gray, 1867 -- valid -- Hocco de Daubenton, Pavón porú, mutum-poru, Yellow-knobbed Curassow
  Crax fasciolata Spix, 1825 -- valid -- Hocco à face nue, Pavón muitú, mutum-de-penacho, Bare-faced Curassow
  Crax globulosa Spix, 1825 -- valid -- Hocco globuleux, Pavón carunculado, mutum-de-fava, Wattled Curassow
  Crax rubra Linnaeus, 1758 -- valid -- Grand Hocco, Pavón norteño, mutum-grande, Great Curassow, Hocofaisán
  Creagrus Bonaparte, 1854 -- valid
  Creagrus furcatus (Néboux, 1842) -- valid -- Swallow-tailed Gull, Mouette à queue fourchue, Gaviota tijereta, gaivota-rabo-de-andorinha
  Creatophora Lesson, 1847 -- valid
  Creatophora cinerea (Meuschen, 1787) -- valid -- Wattled Starling
  Crecopsis Sharpe, 1893 -- invalid
  Crecopsis egregia (W. Peters, 1854) -- invalid
  Creurgops P. L. Sclater, 1858 -- valid
  Creurgops dentata (P. L. Sclater & Salvin, 1876) -- invalid
  Creurgops verticalis P. L. Sclater, 1858 -- valid -- Rufous-crested Tanager, Tangara à cimier roux, Tangara crestirrufa
  Crex Bechstein, 1803 -- valid -- Corn Crakes
  Crex crex (Linnaeus, 1758) -- valid -- Corn Crake
  Crinifer Jarocki, 1821 -- valid
  Crinifer piscator (Boddaert, 1783) -- valid -- Western Grey Plantain-eater, Western Plantain-eater
  Crinifer zonurus (Ruppell, 1835) -- valid -- Eastern Grey Plantain-eater, Eastern Plantain-eater
  Criniger Temminck, 1820 -- valid
  Criniger barbatus (Temminck, 1821) -- valid -- Western Bearded Greenbul
  Criniger calurus (Cassin, 1856) -- valid -- Red-tailed Greenbul
  Criniger chloronotus (Cassin, 1859) -- valid -- Eastern Bearded Greenbul
  Criniger ndussumensis Reichenow, 1904 -- valid -- White-bearded Greenbul
  Criniger olivaceus (Swainson, 1837) -- valid -- Yellow-bearded Greenbul
  Crocias Temminck, 1836 -- valid
  Crocias albonotatus (Lesson, 1831) -- valid -- Spotted Crocias
  Crocias langbianis Gyldenstolpe, 1939 -- valid -- Grey-crowned Crocias
  Crossleyia Hartlaub, 1877 -- valid
  Crossleyia xanthophrys (Sharpe, 1875) -- valid -- Madagascar Yellowbrow
  Crossoptilon Hodgson, 1838 -- valid
  Crossoptilon auritum (Pallas, 1811) -- valid -- Hokki bleu, Faisán orejudo azul, faisão-orelhudo-azul, Blue Eared-Pheasant, White Eared Pheasant, Blue Eared Pheasant
  Crossoptilon crossoptilon (Hodgson, 1838) -- valid -- Hokki blanc, Faisán orejudo blanco, faisão-orelhudo-branco, White Eared-Pheasant, White Eared Pheasant
  Crossoptilon harmani Elwes, 1881 -- valid -- Hokki du Tibet, Faisán orejudo gris, faisão-orelhudo-tibetano, Tibetan Eared-Pheasant, Tibetan Eared Pheasant
  Crossoptilon mantchuricum Swinhoe, 1863 -- valid -- Hokki brun, Faisán orejudo pardo, faisão-orelhudo-marrom, Brown Eared-Pheasant, Brown Eared Pheasant
  Crotophaga Linnaeus, 1758 -- valid -- Anis
  Crotophaga ani Linnaeus, 1758 -- valid -- Smooth-billed Ani, Garrapatero pico liso
  Crotophaga major Gmelin, 1788 -- valid -- Garrapatero mayor, Greater Ani
  Crotophaga sulcirostris Swainson, 1827 -- valid -- Groove-billed Ani, Garrapatero pijuy
  Crotophagidae -- invalid
  Crypsirina Vieillot, 1816 -- valid
  Crypsirina cucullata Jerdon, 1862 -- valid -- Hooded Treepie
  Crypsirina temia (Daudin, 1800) -- valid -- Racket-tailed Treepie
  Cryptophaps Salvadori, 1893 -- valid
  Cryptophaps poecilorrhoa (Brüggemann, 1876) -- valid -- Sombre Pigeon
  Cryptospiza Salvadori, 1884 -- valid
  Cryptospiza jacksoni Sharpe, 1902 -- valid -- Dusky Crimsonwing
  Cryptospiza reichenovii (Hartlaub, 1874) -- valid -- Red-faced Crimsonwing
  Cryptospiza salvadorii Reichenow, 1892 -- valid -- Abyssinian Crimsonwing
  Cryptospiza shelleyi Sharpe, 1902 -- valid -- Shelley's Crimsonwing
  Cryptosylvicola Goodman, Langrand & B. M. Whitney , 1996 -- valid
  Cryptosylvicola randrianasoloi Goodman, Langrand & B. M. Whitney , 1996 -- valid -- Cryptic Warbler
  Crypturellus Brabourne & C. Chubb, 1914 -- valid
  Crypturellus atrocapillus (Tschudi, 1844) -- valid -- Black-capped Tinamou
  Crypturellus bartletti (P. L. Sclater & Salvin, 1873) -- valid -- Bartlett's Tinamou
  Crypturellus berlepschi (Rothschild, 1897) -- valid -- Berlepsch's Tinamou
  Crypturellus boucardi (P. L. Sclater, 1860) -- valid -- Slaty-breasted Tinamou, Tinamú jamuey
  Crypturellus brevirostris (Pelzeln, 1863) -- valid -- Rusty Tinamou
  Crypturellus casiquiare (Chapman, 1929) -- valid -- Barred Tinamou
  Crypturellus cinereus (J. F. Gmelin, 1789) -- valid -- Cinereous Tinamou
  Crypturellus cinnamomeus (Lesson, 1842) -- valid -- Thicket Tinamou, Tinamú canelo
  Crypturellus duidae J. T. Zimmer, 1938 -- valid -- Grey-legged Tinamou
  Crypturellus erythropus (Pelzeln, 1863) -- valid -- Red-legged Tinamou
  Crypturellus kerriae (Chapman, 1915) -- valid -- Choco Tinamou
  Crypturellus noctivagus (zu Wied-Neuwied, 1820) -- valid -- Yellow-legged Tinamou
  Crypturellus obsoletus (Temminck, 1815) -- valid -- Brown Tinamou
  Crypturellus parvirostris (Wagler, 1827) -- valid -- Small-billed Tinamou
  Crypturellus ptaritepui J. T. Zimmer & Phelps, 1945 -- valid -- Tepui Tinamou
  Crypturellus soui (Hermann, 1783) -- valid -- Little Tinamou, Tinamú menor
  Crypturellus strigulosus (Temminck, 1815) -- valid -- Brazilian Tinamou
  Crypturellus tataupa (Temminck, 1815) -- valid -- Tataupa Tinamou
  Crypturellus transfasciatus (P. L. Sclater & Salvin, 1878) -- valid -- Pale-browed Tinamou
  Crypturellus undulatus (Temminck, 1815) -- valid -- Undulated Tinamou
  Crypturellus variegatus (J. F. Gmelin, 1789) -- valid -- Variegated Tinamou
  Cuculidae -- valid -- Anis, Cuckoos, Roadrunners
  Cuculiformes -- valid -- Cuckoos, coucoua
  Cuculus Linnaeus, 1758 -- valid -- Eurasian Cuckoos
  Cuculus canorus Linnaeus, 1758 -- valid -- Common Cuckoo
  Cuculus clamosus Latham, 1802 -- valid -- Black Cuckoo
  Cuculus crassirostris (Walden, 1872) -- valid -- Sulawesi Cuckoo
  Cuculus fugax Horsfield, 1821 -- valid -- Hodgson's Hawk-Cuckoo
  Cuculus gularis Stephens, 1815 -- valid -- African Cuckoo
  Cuculus micropterus Gould, 1838 -- valid -- Indian Cuckoo
  Cuculus pallidus (Latham, 1802) -- valid
  Cuculus poliocephalus Latham, 1790 -- valid -- Lesser Cuckoo
  Cuculus rochii Hartlaub, 1863 -- valid -- Madagascar Cuckoo
  Cuculus saturatus Blyth, 1843 -- valid -- Oriental Cuckoo
  Cuculus solitarius Stephens, 1815 -- valid -- Red-chested Cuckoo
  Cuculus sparverioides Vigors, 1832 -- valid
  Cuculus vagans S. Muller, 1845 -- valid
  Cuculus varius Vahl, 1797 -- valid
  Culicicapa Swinhoe, 1871 -- valid
  Culicicapa ceylonensis (Swainson, 1820) -- valid -- Grey-headed Canary-Flycatcher
  Culicicapa helianthea (Wallace, 1865) -- valid -- Citrine Canary-Flycatcher
  Culicivora Swainson, 1827 -- valid
  Culicivora caudacuta (Vieillot, 1818) -- valid -- Sharp-tailed Grass Tyrant
  Curaeus P. L. Sclater, 1862 -- valid
  Curaeus curaeus (Molina, 1782) -- valid -- Austral Blackbird
  Curaeus forbesi (P. L. Sclater, 1886) -- valid -- Forbes's Blackbird
  Cursorius Latham, 1790 -- valid
  Cursorius coromandelicus (J. F. Gmelin, 1789) -- valid -- Indian Courser, Courvite de Coromandel, Corredor indio, corredor-de-capuz-vermelho
  Cursorius cursor (Latham, 1787) -- valid -- Cream-colored Courser, Courvite isabelle, Corredor sahariano, corredeira
  Cursorius rufus Gould, 1837 -- valid -- Burchell's Courser, Courvite de Burchell, Corredor rufo, corredor-de-burchell
  Cursorius temminckii Swainson, 1822 -- valid -- Temminck's Courser, Courvite de Temminck, Corredor etiópico, corredeira-de-temminck
  Cutia Hodgson, 1837 -- valid
  Cutia nipalensis Hodgson, 1837 -- valid -- Cutia
  Cyanerpes Oberholser, 1899 -- valid
  Cyanerpes caeruleus (Linnaeus, 1758) -- valid -- Purple Honeycreeper, Guit-guit céruléen, Mielerito cerúleo, saí-de-perna-amarela
  Cyanerpes cyaneus (Linnaeus, 1766) -- valid -- Mielero pata roja, Red-legged Honeycreeper, Guit-guit saï, Mielerito patirrojo, saíra-beija-flor
  Cyanerpes lucidus (P. L. Sclater & Salvin, 1859) -- valid -- Mielero brillante, Shining Honeycreeper, Guit-guit brillant, Mielerito reluciente
  Cyanerpes nitidus (Hartlaub, 1847) -- valid -- Short-billed Honeycreeper, Guit-guit à bec court, Mielerito piquicorto, saí-de-bico-curto
  Cyanicterus Bonaparte, 1850 -- valid
  Cyanicterus cyanicterus (Vieillot, 1819) -- valid -- Blue-backed Tanager, Tangara cyanictère, Tangara dorsiazul, pipira-azul
  Cyanistes Kaup, 1829 -- valid
  Cyanistes caeruleus (Linnaeus, 1758) -- valid -- Blue Tit
  Cyanistes cyanus (Pallas, 1770) -- valid -- Azure Tit
  Cyanistes flavipectus (Severtzov, 1873) -- invalid
  Cyanistes semilarvatus (Salvadori, 1865) -- invalid
  Cyanistes varius (Temminck & Schlegel, 1848) -- invalid
  Cyanochen Bonaparte, 1856 -- valid
  Cyanochen cyanopterus (Rüppell, 1845) -- invalid
  Cyanocitta Strickland, 1845 -- valid -- Blue Jays
  Cyanocitta cristata (Linnaeus, 1758) -- valid -- Blue Jay, geai bleu, Chara azul
  Cyanocitta stelleri (Gmelin, 1788) -- valid -- Chara crestada, Steller's Jay, geai de Steller
  Cyanocompsa Cabanis, 1861 -- valid -- Blue Buntings
  Cyanocompsa brissonii (M. H. K. Lichtenstein, 1823) -- valid -- Ultramarine Grosbeak
  Cyanocompsa cyanoides (Lafresnaye, 1847) -- valid -- Picogordo negro, Blue-black Grosbeak
  Cyanocompsa parellina (Bonaparte, 1850) -- valid -- Blue Bunting, Colorín azulnegro
  Cyanocorax F. Boie, 1826 -- valid -- Tufted Jays
  Cyanocorax affinis Pelzeln, 1856 -- valid -- Black-chested Jay
  Cyanocorax beecheii (Vigors, 1829) -- valid -- Chara de Beechy, Purplish-backed Jay
  Cyanocorax caeruleus (Vieillot, 1818) -- valid -- Azure Jay
  Cyanocorax cayanus (Linnaeus, 1766) -- valid -- Cayenne Jay
  Cyanocorax chrysops (Vieillot, 1818) -- valid -- Plush-crested Jay
  Cyanocorax cristatellus (Temminck, 1823) -- valid -- Curl-crested Jay
  Cyanocorax cyanomelas (Vieillot, 1818) -- valid -- Purplish Jay
  Cyanocorax cyanopogon (Wied-Neuwied, 1821) -- valid -- White-naped Jay
  Cyanocorax dickeyi R. T. Moore, 1935 -- valid -- Chara pinta, Tufted Jay
  Cyanocorax heilprini Gentry, 1885 -- valid -- Azure-naped Jay
  Cyanocorax melanocyaneus (Hartlaub, 1844) -- valid -- Bushy-crested Jay
  Cyanocorax mystacalis (Sparre, 1835) -- valid -- White-tailed Jay
  Cyanocorax sanblasianus (Lafresnaye, 1842) -- valid -- Chara de San Blas, San Blas Jay
  Cyanocorax violaceus Du Bus de Gisignies, 1847 -- valid -- Violaceous Jay
  Cyanocorax yncas (Boddaert, 1783) -- valid -- Green Jay, Chara verde, Inca Jay
  Cyanocorax yucatanicus (Dubois, 1875) -- valid -- Chara yucateca, Yucatan Jay
  Cyanolanius Bonaparte, 1854 -- valid
  Cyanolanius madagascarinus (Linnaeus, 1766) -- valid -- Blue Vanga
  Cyanolimnas Barbour & J. L. Peters, 1927 -- valid
  Cyanolimnas cerverai Barbour & J. L. Peters, 1927 -- valid -- Zapata Rail
  Cyanoliseus Bonaparte, 1854 -- valid
  Cyanoliseus patagonus (Vieillot, 1818) -- valid -- Burrowing Parrot, Burrowing Parakeet, Conure de Patagonie, Loro barranquero, periquito-das-barreiras
  Cyanoloxia Bonaparte, 1850 -- valid
  Cyanoloxia glaucocaerulea (d'Orbigny & Lafresnaye, 1837) -- valid -- Glaucous-blue Grosbeak
  Cyanolyca Cabanis, 1851 -- valid
  Cyanolyca argentigula (Lawrence, 1875) -- valid -- Silvery-throated Jay
  Cyanolyca armillata (G. R. Gray, 1845) -- valid -- Black-collared Jay
  Cyanolyca cucullata (Ridgway, 1885) -- valid -- Chara gorro azul, Azure-hooded Jay
  Cyanolyca mirabilis Nelson, 1903 -- valid -- Chara garganta blanca, White-throated Jay
  Cyanolyca nana (Du Bus de Gisignies, 1847) -- invalid -- Chara enana, Dwarf Jay
  Cyanolyca pulchra (Lawrence, 1876) -- valid -- Beautiful Jay
  Cyanolyca pumilo (Strickland, 1849) -- valid -- Chara de niebla, Black-throated Jay
  Cyanolyca turcosa (Bonaparte, 1853) -- valid -- Turquoise Jay
  Cyanolyca viridicyana (Orbigny & Lafresnaye, 1838) -- invalid
  Cyanophaia Reichenbach, 1854 -- invalid
  Cyanophaia bicolor (J. F. Gmelin, 1788) -- invalid -- Blue-headed Hummingbird
  Cyanopica Bonaparte, 1850 -- valid
  Cyanopica cyana (Pallas, 1776) -- invalid
  Cyanopsitta Bonaparte, 1854 -- valid
  Cyanopsitta spixii (Wagler, 1832) -- valid -- Spix's Macaw, Little Blue Macaw, Ara de Spix, Guacamayo de Spix, ararinha-azul
  Cyanoptila Blyth, 1847 -- valid
  Cyanoptila cyanomelana (Temminck, 1829) -- valid -- Blue-and-white Flycatcher
  Cyanoramphus Bonaparte, 1854 -- valid
  Cyanoramphus auriceps (Kuhl, 1820) -- valid -- Yellow-crowned Parakeet, Yellow-fronted Parakeet, Perruche à tête d'or, Perico maorí cabecigualdo, kakariki-fronte-amarela
  Cyanoramphus cookii (G. R. Gray, 1859) -- valid -- Norfolk Parakeet, Norfolk Island Parakeet, Perruche de Norfolk, Perico de Norfolk
  Cyanoramphus novaezelandiae (Sparrman, 1787) -- valid -- Red-fronted Parakeet, Red-crowned Parakeet, Perruche de Sparrman, Perico maorí cabecirrojo, kakariki-fronte-vermelha
  Cyanoramphus ulietanus (J. F. Gmelin, 1788) -- valid -- Raiatea Parakeet, Perruche de Raiatea, Perico de Raiatea, periquito-de-raiatea
  Cyanoramphus unicolor (Lear, 1831) -- valid -- Antipodes Parakeet, Perruche des Antipodes, Perico de las Antípodas
  Cyanoramphus zealandicus (Latham, 1790) -- valid -- Black-fronted Parakeet, Perruche de Tahiti, Perico frentinegro, periquito-do-tahiti
  Cyclarhis Swainson, 1824 -- valid
  Cyclarhis gujanensis (Gmelin, 1789) -- valid -- Vireón ceja rufa, Rufous-browed Peppershrike
  Cyclarhis nigrirostris Lafresnaye, 1842 -- valid -- Black-billed Peppershrike
  Cyclopsitta Reichenbach, 1850 -- valid
  Cyclopsitta diophthalma (Hombron & Jacquinot, 1841) -- valid -- Double-eyed Fig Parrot, Double-eyed Fig-parrot, Psittacule double-oeil, Lorito dobleojo, papagaio-do-figo-de-cara-azul
  Cyclopsitta gulielmitertii (Schlegel, 1866) -- valid -- Orange-breasted Fig Parrot, Blue-fronted Fig-parrot, Orange-breasted Fig-Parrot, Psittacule à poitrine orange, Lorito pechinaranja
  Cygnus Bechstein, 1803 -- invalid -- Swans
  Cygnus atratus (Latham, 1790) -- valid -- Black Swan, Cygne noir, Cisne negro, cisne-preto
  Cygnus buccinator Richardson, 1831 -- valid -- Cisne trompetero, Trumpeter Swan, Cygne trompette, cisne-trompeteiro
  Cygnus columbianus (Ord, 1815) -- valid -- Cisne de tundra, Tundra Swan, Cygne siffleur, Cisne chico, cisne-pequeno
  Cygnus cygnus (Linnaeus, 1758) -- valid -- Whooper Swan, Cygne chanteur, Cisne cantor, cisne-bravo
  Cygnus melanocorypha (Molina, 1782) -- invalid
  Cygnus olor (J. F. Gmelin, 1789) -- valid -- Mute Swan, cygne tuburculé, Cygne tuberculé, Cisne vulgar, cisne-mudo
  Cymbilaimus G. R. Gray, 1840 -- valid
  Cymbilaimus lineatus (Leach, 1814) -- valid -- Fasciated Antshrike
  Cymbilaimus sanctaemariae Gyldenstolpe, 1941 -- valid -- Bamboo Antshrike
  Cymbirhynchus Vigors, 1830 -- valid
  Cymbirhynchus macrorhynchos (Gmelin, 1788) -- valid -- Black-and-red Broadbill
  Cynanthus Swainson, 1827 -- valid -- Broad-billed Hummingbirds
  Cynanthus latirostris Swainson, 1827 -- valid -- Broad-billed Hummingbird, Colibrí pico ancho
  Cynanthus sordidus (Gould, 1859) -- invalid -- Colibrí oscuro, Dusky Hummingbird
  Cyornis Blyth, 1843 -- valid
  Cyornis banyumas (Horsfield, 1821) -- valid -- Hill Blue Flycatcher
  Cyornis caerulatus (Bonaparte, 1857) -- valid -- Sunda Blue Flycatcher
  Cyornis concretus (S. Muller, 1836) -- valid -- White-tailed Flycatcher
  Cyornis hainanus (Ogilvie-Grant, 1900) -- valid -- Hainan Blue Flycatcher
  Cyornis herioti R. G. W. Ramsay, 1886 -- valid -- Blue-breasted Blue Flycatcher
  Cyornis hoevelli (A. B. Meyer, 1903) -- valid -- Blue-fronted Blue Flycatcher
  Cyornis hyacinthinus (Temminck, 1820) -- valid -- Timor Blue Flycatcher
  Cyornis lemprieri (Sharpe, 1884) -- valid -- Palawan Blue Flycatcher
  Cyornis omissus (Hartert, 1896) -- valid -- Sulawesi Blue Flycatcher
  Cyornis pallipes (Jerdon, 1840) -- valid -- White-bellied Blue Flycatcher
  Cyornis poliogenys W. E. Brooks, 1880 -- valid -- Pale-chinned Blue Flycatcher
  Cyornis rubeculoides (Vigors, 1831) -- valid -- Blue-throated Blue Flycatcher
  Cyornis ruckii (Oustalet, 1881) -- valid
  Cyornis rufigaster (Raffles, 1822) -- invalid
  Cyornis sanfordi Stresemann, 1931 -- valid -- Matinan Blue Flycatcher
  Cyornis superbus Stresemann, 1925 -- valid -- Bornean Blue Flycatcher
  Cyornis tickelliae Blyth, 1843 -- valid -- Tickell's Blue Flycatcher
  Cyornis turcosus Bruggemann, 1877 -- valid -- Malaysian Blue Flycatcher
  Cyornis unicolor Blyth, 1843 -- valid -- Pale Blue Flycatcher
  Cyphorhinus Cabanis, 1844 -- valid
  Cyphorhinus aradus (Hermann, 1783) -- invalid
  Cyphorhinus phaeocephalus P. L. Sclater, 1860 -- valid -- Song Wren
  Cyphorhinus thoracicus Tschudi, 1844 -- valid -- Chestnut-breasted Wren
  Cypseloides Streubel, 1848 -- valid -- Black Swifts
  Cypseloides cherriei Ridgway, 1893 -- valid -- Spot-fronted Swift
  Cypseloides cryptus J. T. Zimmer, 1945 -- valid -- White-chinned Swift
  Cypseloides fumigatus (Streubel, 1848) -- valid -- Sooty Swift
  Cypseloides lemosi Eisenmann & Lehmann, 1962 -- valid -- White-chested Swift
  Cypseloides niger (J. F. Gmelin, 1789) -- valid -- Black Swift, Vencejo negro, American Black Swift
  Cypseloides phelpsi Collins, 1972 -- invalid
  Cypseloides rothschildi J. T. Zimmer, 1945 -- valid -- Rothschild's Swift
  Cypseloides rutilus (Vieillot, 1817) -- invalid
  Cypseloides senex (Temminck, 1826) -- valid -- Great Dusky Swift
  Cypseloides storeri Navarro, Peterson, Escalante & Benitez, 1992 -- valid -- White-fronted Swift, Vencejo frente blanca
  Cypsiurus R. Lesson, 1843 -- valid
  Cypsiurus balasiensis (J. E. Gray, 1829) -- valid -- Asian Palm Swift
  Cypsiurus parvus (M. H. K. Lichtenstein, 1823) -- valid -- African Palm Swift
  Cypsnagra R. Lesson, 1831 -- valid
  Cypsnagra hirundinacea (R. Lesson, 1831) -- valid -- White-rumped Tanager, Tangara hirundinacé, Tangara culiblanca, bandoleta
  Cyrtonyx Gould, 1844 -- valid -- Montezuma Quails
  Cyrtonyx montezumae (Vigors, 1830) -- valid -- Colin arlequin, Colín de Moctezuma, colim-de-montezuma, Montezuma Quail, Codorniz Moctezuma
  Cyrtonyx ocellatus (Gould, 1837) -- valid -- Colin ocellé, Colín ocelado, colim-ocelado, Ocellated Quail, Codorniz ocelada
  Dacelo Leach, 1815 -- valid
  Dacelo gaudichaud Gaimard, 1823 -- valid -- Rufous-bellied Kookaburra, Cucaburra ventrirrufa, Martin-chasseur de Gaudichaud
  Dacelo leachii Vigors & Horsfield, 1827 -- valid -- Blue-winged Kookaburra, Cucaburra aliazul, Martin-chasseur à ailes bleues
  Dacelo novaeguineae (Hermann, 1783) -- valid -- Laughing Kookaburra, kokaburra, Cucaburra común, Martin-chasseur géant
  Dacelo tyro G. R. Gray, 1858 -- valid -- Spangled Kookaburra, Cucaburra escamosa, Martin-chasseur pailleté
  Dacelonidae -- invalid
  Dacnis Cuvier, 1816 -- valid
  Dacnis albiventris (P. L. Sclater, 1852) -- valid -- White-bellied Dacnis, Dacnis à ventre blanc, Dacnis ventriblanco, saí-de-barriga-branca
  Dacnis berlepschi E. Hartert, 1900 -- valid -- Scarlet-breasted Dacnis, Dacnis à poitrine rouge, Dacnis pechirrojo
  Dacnis cayana (Linnaeus, 1766) -- valid -- Blue Dacnis, Dacnis bleu, Dacnis azul, saí-azul
  Dacnis flaviventer d'Orbigny & Lafresnaye, 1837 -- valid -- Yellow-bellied Dacnis, Dacnis à ventre jaune, Dacnis ventriamarillo, saí-amarela
  Dacnis lineata (J. F. Gmelin, 1789) -- valid -- Black-faced Dacnis, Dacnis à coiffe bleue, Dacnis carinegro, saí-de-máscara-preta
  Dacnis nigripes Pelzeln, 1856 -- valid -- Black-legged Dacnis, Dacnis à pattes noires, Dacnis patinegro, saí-de-pernas-pretas
  Dacnis venusta Lawrence, 1862 -- valid -- Scarlet-thighed Dacnis, Dacnis à cuisses rouges, Dacnis muslirrojo
  Dacnis viguieri Oustalet, 1883 -- valid -- Viridian Dacnis, Dacnis vert, Dacnis verdoso
  Dactylortyx Ogilvie-Grant, 1893 -- valid
  Dactylortyx thoracicus (Gambel, 1848) -- valid -- Colin chanteur, Colín cantor, colim-cantor, Singing Quail, Codorniz silbadora
  Damophila Reichenbach, 1854 -- invalid
  Damophila julie (Bourcier, 1843) -- invalid -- Violet-bellied Hummingbird
  Daphoenositta De Vis, 1897 -- valid
  Daphoenositta chrysoptera (Latham, 1802) -- valid -- Varied Sittella
  Daphoenositta miranda De Vis, 1897 -- valid -- Black Sittella
  Daption Stephens, 1826 -- valid
  Daption capense (Linnaeus, 1758) -- valid -- Cape Petrel
  Daptrius Vieillot, 1816 -- valid
  Daptrius americanus (Boddaert, 1783) -- invalid -- Caracara comecacao
  Daptrius ater Vieillot, 1816 -- valid -- Black Caracara, Caracara noir, Caracara negro, gavião-de-anta
  Dasyornis Vigors & Horsfield, 1827 -- valid
  Dasyornis brachypterus (Latham, 1802) -- valid -- Eastern Bristlebird
  Dasyornis broadbenti (McCoy, 1867) -- valid -- Rufous Bristlebird
  Dasyornis longirostris Gould, 1841 -- valid -- Western Bristlebird
  Deconychura Cherrie, 1891 -- valid
  Deconychura longicauda (Pelzeln, 1868) -- valid -- Long-tailed Woodcreeper
  Deconychura stictolaema (Pelzeln, 1868) -- valid -- Spot-throated Woodcreeper
  Delichon Moore, 1854 -- valid -- House-Martins
  Delichon dasypus (Bonaparte, 1850) -- valid -- Asian House Martin
  Delichon nipalensis Moore, 1854 -- invalid -- Nepal House Martin
  Delichon urbica (Linnaeus, 1758) -- invalid -- Common House-Martin
  Delothraupis P. L. Sclater, 1886 -- invalid
  Delothraupis castaneoventris (P. L. Sclater, 1851) -- invalid -- Chestnut-bellied Mountain Tanager
  Deltarhynchus Ridgway, 1893 -- valid
  Deltarhynchus flammulatus (Lawrence, 1875) -- valid -- Flammulated Flycatcher, Papamoscas jaspeado
  Dendragapus D. G. Elliot, 1864 -- valid -- Grouse, Sooty Grouse, Dusky Grouse, Blue Grouse
  Dendragapus obscurus (Say, 1822) -- valid -- Dusky Grouse, Tétras sombre, Gallo oscuro, tetraz-azul, Blue Grouse
  Dendrexetastes Eyton, 1851 -- valid
  Dendrexetastes rufigula (Lesson, 1844) -- valid -- Cinnamon-throated Woodcreeper
  Dendrocincla G. R. Gray, 1840 -- valid
  Dendrocincla anabatina P. L. Sclater, 1859 -- valid -- Tawny-winged Woodcreeper, Trepatroncos sepia
  Dendrocincla fuliginosa (Vieillot, 1818) -- valid -- Plain-brown Woodcreeper
  Dendrocincla homochroa (P. L. Sclater, 1860) -- valid -- Ruddy Woodcreeper, Trepatroncos rojizo
  Dendrocincla merula (Lichtenstein, 1820) -- valid -- White-chinned Woodcreeper
  Dendrocincla turdina (Lichtenstein, 1820) -- invalid
  Dendrocincla tyrannina (Lafresnaye, 1851) -- valid -- Tyrannine Woodcreeper
  Dendrocitta Gould, 1833 -- valid
  Dendrocitta bayleyi Tytler, 1863 -- invalid
  Dendrocitta formosae Swinhoe, 1863 -- valid -- Grey Treepie
  Dendrocitta frontalis Horsfield, 1840 -- valid -- Collared Treepie
  Dendrocitta leucogastra Gould, 1833 -- valid -- White-bellied Treepie
  Dendrocitta occipitalis (S. Muller, 1836) -- valid -- Sumatran Treepie
  Dendrocitta vagabunda (Latham, 1790) -- valid -- Rufous Treepie
  Dendrocolaptes Hermann, 1804 -- valid
  Dendrocolaptes certhia (Boddaert, 1783) -- valid -- Trepatroncos barrado, Amazonian Barred Woodcreeper
  Dendrocolaptes hoffmannsi Hellmayr, 1909 -- valid -- Hoffman's Woodcreeper
  Dendrocolaptes picumnus Lichtenstein, 1820 -- valid -- Black-banded Woodcreeper, Trepatroncos vientre barrado
  Dendrocolaptes platyrostris Spix, 1824 -- valid -- Planalto Woodcreeper
  Dendrocolaptes sanctithomae (Lafresnaye, 1852) -- valid -- Northern Barred-Woodcreeper, Northern Barred Woodcreeper
  Dendrocopos Koch, 1816 -- valid
  Dendrocopos assimilis (Blyth, 1849) -- valid -- Sind Woodpecker
  Dendrocopos atratus (Blyth, 1849) -- valid -- Stripe-breasted Woodpecker
  Dendrocopos auriceps (Vigors, 1831) -- invalid -- Brown-fronted Woodpecker
  Dendrocopos canicapillus (Blyth, 1845) -- invalid -- Grey-capped Pygmy Woodpecker
  Dendrocopos cathpharius (Blyth, 1843) -- invalid -- Crimson-breasted Woodpecker
  Dendrocopos darjellensis (Blyth, 1845) -- valid -- Darjeeling Woodpecker
  Dendrocopos dorae (Bates & Kinnear, 1935) -- invalid -- Arabian Woodpecker
  Dendrocopos himalayensis (Jardine & Selby, 1831) -- valid -- Himalayan Woodpecker
  Dendrocopos hyperythrus (Vigors, 1831) -- valid -- Rufous-bellied Woodpecker
  Dendrocopos kizuki (Temminck, 1836) -- invalid -- Japanese Pygmy Woodpecker
  Dendrocopos leucopterus (Salvadori, 1871) -- valid -- White-winged Woodpecker
  Dendrocopos leucotos (Bechstein, 1802) -- valid -- White-backed Woodpecker
  Dendrocopos macei (Vieillot, 1818) -- valid -- Fulvous-breasted Woodpecker
  Dendrocopos maculatus (Scopoli, 1786) -- invalid -- Philippine Pygmy Woodpecker
  Dendrocopos mahrattensis (Latham, 1801) -- invalid -- Yellow-crowned Woodpecker
  Dendrocopos major (Linnaeus, 1758) -- valid -- Great Spotted Woodpecker
  Dendrocopos medius (Linnaeus, 1758) -- invalid -- Middle Spotted Woodpecker
  Dendrocopos minor (Linnaeus, 1758) -- invalid -- Lesser Spotted Woodpecker
  Dendrocopos moluccensis (J. F. Gmelin, 1788) -- invalid -- Sunda Pygmy Woodpecker
  Dendrocopos nanus (Vigors, 1832) -- invalid
  Dendrocopos syriacus (Hemprich & Ehrenberg, 1833) -- valid -- Syrian Woodpecker
  Dendrocopos temminckii (Malherbe, 1849) -- invalid -- Sulawesi Pygmy Woodpecker
  Dendrocygna Swainson, 1837 -- valid -- Whistling-Ducks
  Dendrocygna arborea (Linnaeus, 1758) -- valid -- West Indian Whistling Duck, West Indian Whistling-Duck, Dendrocygne des Antilles, Suirirí yaguaza, marreca-laguaça
  Dendrocygna arcuata (Horsfield, 1824) -- valid -- Wandering Whistling Duck, Dendrocygne à lunules, Suirirí capirotado, marreca-errante, Wandering Whistling-Duck
  Dendrocygna autumnalis (Linnaeus, 1758) -- valid -- Black-bellied Whistling Duck, Pijije ala blanca, Black-bellied Whistling-Duck, Dendrocygne à ventre noir, Suirirí piquirrojo, marreca-cabocla
  Dendrocygna bicolor (Vieillot, 1816) -- valid -- Fulvous Whistling Duck, Pijije canelo, Fulvous Whistling-Duck, Dendrocygne fauve, Suirirí bicolor, marreca-caneleira
  Dendrocygna eytoni (Eyton, 1838) -- valid -- Plumed Whistling Duck, Dendrocygne d'Eyton, Suirirí australiano, marreca-emplumada, Plumed Whistling-Duck
  Dendrocygna guttata Schlegel, 1866 -- valid -- Spotted Whistling Duck, Dendrocygne tacheté, Suirirí moteado, marreca-pintada, Spotted Whistling-Duck
  Dendrocygna javanica (Horsfield, 1821) -- valid -- Lesser Whistling Duck, Dendrocygne siffleur, Suirirí de Java, marreca-de-java, Lesser Whistling-Duck
  Dendrocygna viduata (Linnaeus, 1766) -- valid -- White-faced Whistling Duck, White-faced Whistling-Duck, Dendrocygne veuf, Suirirí cariblanco, irerê
  Dendrocygnidae -- invalid
  Dendroica G. R. Gray, 1842 -- invalid -- Northern Warblers
  Dendroica adelaidae S. F. Baird, 1865 -- invalid -- Adelaide's Warbler
  Dendroica angelae Kepler & Parkes, 1972 -- invalid -- Elfin Woods Warbler, Elfin-woods Warbler
  Dendroica caerulescens (J. F. Gmelin, 1789) -- invalid -- Chipe azulnegro, Black-throated Blue Warbler, paruline bleue
  Dendroica castanea (A. Wilson, 1810) -- invalid -- Chipe castaño, Bay-breasted Warbler, paruline à poitrine baie
  Dendroica cerulea (A. Wilson, 1810) -- invalid -- Chipe cerúleo, Cerulean Warbler, paruline azurée
  Dendroica chrysoparia P. L. Sclater & Salvin, 1860 -- invalid -- Golden-cheeked Warbler, Golden-cheeked Wood Warbler, Chipe mejilla dorada
  Dendroica coronata (Linnaeus, 1766) -- invalid -- Chipe coronado, Yellow-rumped Warbler, paruline à croupion jaune
  Dendroica discolor (Vieillot, 1809) -- invalid -- Chipe de pradera, Prairie Warbler, paruline des prés
  Dendroica dominica (Linnaeus, 1766) -- invalid -- Chipe garganta amarilla, Yellow-throated Warbler, paruline à gorge jaune
  Dendroica fusca (Statius Müller, 1776) -- invalid -- Chipe garganta naranja, Blackburnian Warbler, paruline à gorge orangée
  Dendroica graciae S. F. Baird, 1865 -- invalid -- Grace's Warbler, Chipe ceja amarilla
  Dendroica kirtlandii (S. F. Baird, 1852) -- invalid -- Kirtland's Wood Warbler, Kirtland's Warbler, paruline de Kirtland
  Dendroica magnolia (A. Wilson, 1811) -- invalid -- Chipe de magnolia, Magnolia Warbler, paruline à tête cendrée
  Dendroica nigrescens (J. K. Townsend, 1837) -- invalid -- Chipe negrogris, Black-throated Gray Warbler, paruline grise, Black-throated Grey Warbler
  Dendroica occidentalis (J. K. Townsend, 1837) -- invalid -- Chipe cabeza amarilla, Hermit Warbler, paruline à tête jaune
  Dendroica palmarum (J. F. Gmelin, 1789) -- invalid -- Chipe playero, paruline à couronne rousse, Palm Warbler
  Dendroica pensylvanica (Linnaeus, 1766) -- invalid -- Chipe flanco castaño, Chestnut-sided Warbler, paruline à flancs marron
  Dendroica petechia (Linnaeus, 1766) -- invalid -- Chipe amarillo, Yellow Warbler, paruline jaune, American Yellow Warbler
  Dendroica pharetra (Gosse, 1847) -- invalid -- Arrowhead Warbler
  Dendroica pinus (Linnaeus, 1766) -- invalid -- Chipe pinero, Pine Warbler, paruline des pins
  Dendroica pityophila (Gundlach, 1855) -- invalid -- Olive-capped Warbler
  Dendroica plumbea Lawrence, 1877 -- invalid -- Plumbeous Warbler
  Dendroica striata (J. R. Forster, 1772) -- invalid -- Chipe gorra negra, Blackpoll Warbler, paruline rayée
  Dendroica tigrina (J. F. Gmelin, 1789) -- invalid -- Chipe atigrado, Cape May Warbler, paruline tigrée
  Dendroica townsendi (J. K. Townsend, 1837) -- invalid -- Townsend's Warbler, Chipe negroamarillo
  Dendroica virens (J. F. Gmelin, 1789) -- invalid -- Chipe dorso verde, Black-throated Green Warbler, paruline à gorge noire
  Dendroica vitellina Cory, 1886 -- invalid -- Vitelline Warbler
  Dendronanthus Blyth, 1844 -- valid
  Dendronanthus indicus (Gmelin, 1789) -- valid -- Forest Wagtail
  Dendropicos Malherbe, 1849 -- valid
  Dendropicos abyssinicus (Stanley, 1814) -- valid -- Abyssinian Woodpecker
  Dendropicos elachus Oberholser, 1919 -- valid -- Little Grey Woodpecker
  Dendropicos elliotii (Cassin, 1863) -- valid -- Elliot's Woodpecker
  Dendropicos fuscescens (Vieillot, 1818) -- valid -- Cardinal Woodpecker
  Dendropicos gabonensis (J. Verreaux & E. Verreaux, 1851) -- valid -- Gabon Woodpecker
  Dendropicos goertae (P. L. S. Müller, 1776) -- valid -- African Grey Woodpecker
  Dendropicos griseocephalus (Boddaert, 1783) -- valid -- Olive Woodpecker
  Dendropicos lugubris Hartlaub, 1857 -- valid -- Melancholy Woodpecker
  Dendropicos namaquus (A. A. H. Lichtenstein, 1793) -- invalid -- Bearded Woodpecker
  Dendropicos obsoletus (Wagler, 1829) -- valid -- Brown-backed Woodpecker
  Dendropicos poecilolaemus Reichenow, 1893 -- valid -- Speckle-breasted Woodpecker
  Dendropicos pyrrhogaster (Malherbe, 1845) -- invalid -- Fire-bellied Woodpecker
  Dendropicos spodocephalus (Bonaparte, 1850) -- valid -- Eastern Grey Woodpecker
  Dendropicos stierlingi Reichenow, 1901 -- valid -- Stierling's Woodpecker
  Dendropicos xantholophus Hargitt, 1883 -- invalid -- Yellow-crested Woodpecker
  Dendrortyx Gould, 1844 -- valid
  Dendrortyx barbatus Gould, 1846 -- valid -- Colin barbu, Colín barbudo, colim-barbudo, Bearded Wood Partridge, Codorniz-coluda veracruzana, Bearded Wood-Partridge
  Dendrortyx leucophrys (Gould, 1844) -- valid -- Colin à sourcils blancs, Colín cariclaro, colim-de-sobrancelhas-brancas, Buffy-crowned Wood Partridge, Codorniz-coluda centroamericana, Buffy-crowned Wood-Partridge
  Dendrortyx macroura (Jardine & Selby, 1828) -- valid -- Colin à longue queue, Colín rabudo, colim-de-rabo-longo, Long-tailed Wood Partridge, Codorniz-coluda neovolcánica, Long-tailed Wood-Partridge
  Deroptyus Wagler, 1832 -- valid
  Deroptyus accipitrinus (Linnaeus, 1758) -- valid -- Red-fan Parrot, Papegeai maillé, Loro cacique, anacã
  Dicaeum Cuvier, 1816 -- valid
  Dicaeum aeneum Pucheran, 1853 -- valid -- Midget Flowerpecker
  Dicaeum aeruginosum (Bourns & Worcester, 1894) -- valid -- Striped Flowerpecker
  Dicaeum agile (Tickell, 1833) -- valid -- Thick-billed Flowerpecker
  Dicaeum annae (Büttikofer, 1894) -- valid -- Golden-rumped Flowerpecker
  Dicaeum anthonyi (McGregor, 1914) -- valid -- Flame-crowned Flowerpecker
  Dicaeum aureolimbatum (Wallace, 1865) -- valid -- Yellow-sided Flowerpecker
  Dicaeum australe (Hermann, 1783) -- valid -- Red-keeled Flowerpecker
  Dicaeum bicolor (Bourns & Worcester, 1894) -- valid -- Bicolored Flowerpecker
  Dicaeum celebicum S. Muller, 1843 -- valid -- Grey-sided Flowerpecker
  Dicaeum chrysorrheum Temminck, 1829 -- valid -- Yellow-vented Flowerpecker
  Dicaeum concolor Jerdon, 1840 -- valid -- Plain Flowerpecker
  Dicaeum cruentatum (Linnaeus, 1758) -- valid -- Scarlet-backed Flowerpecker
  Dicaeum erythrorhynchos (Latham, 1790) -- valid -- Pale-billed Flowerpecker
  Dicaeum erythrothorax Lesson, 1828 -- valid -- Flame-breasted Flowerpecker
  Dicaeum everetti (Sharpe, 1877) -- valid -- Brown-backed Flowerpecker
  Dicaeum eximium P. L. Sclater, 1877 -- valid -- Red-banded Flowerpecker
  Dicaeum geelvinkianum A. B. Meyer, 1874 -- valid -- Red-capped Flowerpecker
  Dicaeum hirundinaceum (Shaw, 1792) -- valid -- Mistletoebird
  Dicaeum hypoleucum Sharpe, 1876 -- valid -- Buzzing Flowerpecker
  Dicaeum igniferum Wallace, 1864 -- valid -- Black-fronted Flowerpecker
  Dicaeum ignipectus (Blyth, 1843) -- valid -- Fire-breasted Flowerpecker
  Dicaeum maugei Lesson, 1830 -- valid -- Blue-cheeked Flowerpecker
  Dicaeum melanoxanthum (Blyth, 1843) -- invalid -- Yellow-bellied Flowerpecker
  Dicaeum monticolum Sharpe, 1887 -- valid -- Black-sided Flowerpecker
  Dicaeum nehrkorni W. Blasius, 1886 -- valid -- Crimson-crowned Flowerpecker
  Dicaeum nigrilore Hartert, 1904 -- valid -- Olive-capped Flowerpecker
  Dicaeum nitidum Tristram, 1889 -- valid -- Louisiade Flowerpecker
  Dicaeum pectorale S. Muller, 1843 -- valid -- Olive-crowned Flowerpecker
  Dicaeum proprium Ripley & Rabor, 1966 -- valid -- Whiskered Flowerpecker
  Dicaeum pygmaeum (Kittlitz, 1833) -- valid -- Pygmy Flowerpecker
  Dicaeum quadricolor (Tweeddale, 1878) -- valid -- Cebu Flowerpecker
  Dicaeum retrocinctum Gould, 1872 -- valid -- Scarlet-collared Flowerpecker
  Dicaeum sanguinolentum Temminck, 1829 -- valid -- Blood-breasted Flowerpecker
  Dicaeum trigonostigma (Scopoli, 1786) -- valid -- Orange-bellied Flowerpecker
  Dicaeum tristrami Sharpe, 1884 -- valid -- White-mottled Flowerpecker
  Dicaeum trochileum (Sparrman, 1789) -- valid -- Scarlet-headed Flowerpecker
  Dicaeum vincens (P. L. Sclater, 1872) -- valid -- Legge's Flowerpecker
  Dicaeum vulneratum Wallace, 1863 -- valid -- Ashy Flowerpecker
  Dichrozona Ridgway, 1888 -- valid
  Dichrozona cincta (Pelzeln, 1868) -- valid -- Banded Antbird
  Dicrurus Vieillot, 1816 -- valid -- Drongos
  Dicrurus adsimilis (Bechstein, 1794) -- valid -- Fork-tailed Drongo
  Dicrurus aeneus Vieillot, 1817 -- valid -- Bronzed Drongo
  Dicrurus aldabranus (Ridgway, 1893) -- valid -- Aldabra Drongo
  Dicrurus andamanensis Beavan, 1867 -- valid -- Andaman Drongo
  Dicrurus annectans (Hodgson, 1836) -- valid -- Crow-billed Drongo
  Dicrurus atripennis Swainson, 1837 -- valid -- Shining Drongo
  Dicrurus balicassius (Linnaeus, 1766) -- valid -- Balicassiao
  Dicrurus bracteatus Gould, 1843 -- valid -- Spangled Drongo
  Dicrurus caerulescens (Linnaeus, 1758) -- valid -- White-bellied Drongo
  Dicrurus densus (Bonaparte, 1850) -- valid
  Dicrurus forficatus (Linnaeus, 1766) -- valid -- Crested Drongo
  Dicrurus fuscipennis (Milne-Edwards & Oustalet, 1887) -- valid -- Grand Comoro Drongo
  Dicrurus hottentottus (Linnaeus, 1766) -- valid -- Hair-crested Drongo
  Dicrurus leucophaeus Vieillot, 1817 -- valid -- Ashy Drongo
  Dicrurus ludwigii (A. Smith, 1834) -- valid -- Square-tailed Drongo
  Dicrurus macrocercus Vieillot, 1817 -- valid -- Black Drongo
  Dicrurus megarhynchus (Quoy & Gaimard, 1830) -- valid -- Ribbon-tailed Drongo
  Dicrurus modestus Hartlaub, 1849 -- valid -- Velvet-mantled Drongo
  Dicrurus montanus (Riley, 1919) -- valid -- Sulawesi Drongo
  Dicrurus paradiseus (Linnaeus, 1766) -- valid -- Greater Racket-tailed Drongo
  Dicrurus remifer (Temminck, 1823) -- valid -- Lesser Racket-tailed Drongo
  Dicrurus sumatranus R. G. W. Ramsay, 1880 -- valid
  Dicrurus waldenii Schlegel, 1865 -- valid -- Mayotte Drongo
  Didunculus Peale, 1849 -- valid
  Didunculus strigirostris (Jardine, 1845) -- valid -- Tooth-billed Pigeon
  Diglossa Wagler, 1832 -- valid
  Diglossa albilatera Lafresnaye, 1843 -- valid -- White-sided Flowerpiercer, Percefleur à flancs blancs, Pinchaflor flanquiblanco
  Diglossa baritula Wagler, 1832 -- valid -- Picaflor canelo, Cinnamon-bellied Flowerpiercer, Percefleur cannelle, Pinchaflor ventricanelo
  Diglossa brunneiventris Lafresnaye, 1846 -- valid -- Black-throated Flowerpiercer, Percefleur à gorge noire, Pinchaflor gorjinegro
  Diglossa carbonaria (d'Orbigny & Lafresnaye, 1838) -- valid -- Grey-bellied Flowerpiercer, Percefleur charbonnier, Pinchaflor carbonero, Gray-bellied Flowerpiercer
  Diglossa duidae Chapman, 1929 -- valid -- Scaled Flowerpiercer, Percefleur des tépuis, Pinchaflor del Duida, fura-flor-escamoso
  Diglossa gloriosa P. L. Sclater & Salvin, 1871 -- valid -- Merida Flowerpiercer, Percefleur du Mérida, Pinchaflor de Mérida
  Diglossa gloriosissima Chapman, 1912 -- valid -- Chestnut-bellied Flowerpiercer, Percefleur à ventre marron, Pinchaflor ventrirrufo
  Diglossa humeralis (Fraser, 1840) -- valid -- Black Flowerpiercer, Percefleur noir, Pinchaflor negro
  Diglossa lafresnayii (Boissonneau, 1840) -- valid -- Glossy Flowerpiercer, Percefleur de Lafresnaye, Pinchaflor satinado
  Diglossa major Cabanis, 1849 -- valid -- Greater Flowerpiercer, Grand Percefleur, Pinchaflor grande, fura-flor-grande
  Diglossa mystacalis Lafresnaye, 1846 -- valid -- Moustached Flowerpiercer, Percefleur moustachu, Pinchaflor bigotudo
  Diglossa plumbea Cabanis, 1861 -- valid -- Slaty Flowerpiercer, Percefleur ardoisé, Pinchaflor plomizo
  Diglossa sittoides (d'Orbigny & Lafresnaye, 1838) -- valid -- Rusty Flowerpiercer, Percefleur rouilleux, Pinchaflor ferrugíneo
  Diglossa venezuelensis Chapman, 1925 -- valid -- Venezuelan Flowerpiercer, Percefleur du Venezuela, Pinchaflor venezolano
  Diglossopis P. L. Sclater, 1856 -- invalid
  Diglossopis caerulescens P. L. Sclater, 1856 -- invalid -- Bluish Flowerpiercer
  Diglossopis cyanea (Lafresnaye, 1840) -- invalid -- Masked Flowerpiercer
  Diglossopis glauca (P. L. Sclater & Salvin, 1876) -- invalid -- Golden-eyed Flowerpiercer
  Diglossopis indigotica (P. L. Sclater, 1856) -- invalid -- Indigo Flowerpiercer
  Dinemellia Reichenbach, 1863 -- valid
  Dinemellia dinemelli (Rüppell, 1845) -- valid -- White-headed Buffalo Weaver
  Dinopium Rafinesque, 1814 -- valid
  Dinopium benghalense (Linnaeus, 1758) -- valid -- Lesser Goldenback, Black-rumped Flameback
  Dinopium javanense (Ljungh, 1797) -- valid -- Common Goldenback, Common Flameback
  Dinopium rafflesii (Vigors, 1830) -- invalid -- Olive-backed Woodpecker
  Dinopium shorii (Vigors, 1831) -- valid -- Himalayan Goldenback, Himalayan Flameback
  Diomedea Linnaeus, 1758 -- valid -- Albatrosses
  Diomedea amsterdamensis F. Roux, Jouventin, Mougin, Stahl & Weimerskirch, 1983 -- valid -- Amsterdam Albatross, Amsterdam Island Albatross
  Diomedea epomophora Lesson, 1825 -- valid -- Royal Albatross, Southern Royal Albatross
  Diomedea exulans Linnaeus, 1758 -- valid -- Wandering Albatross, Albatros hurleur
  Dioptrornis Fischer & Reichenow, 1884 -- valid
  Dioptrornis brunneus Cabanis, 1886 -- valid -- Angola Slaty Flycatcher
  Dioptrornis chocolatinus (Rüppell, 1840) -- valid -- Abyssinian Slaty Flycatcher
  Dioptrornis fischeri Reichenow, 1884 -- valid -- White-eyed Slaty Flycatcher
  Discosura Bonaparte, 1850 -- valid
  Discosura longicauda (J. F. Gmelin, 1788) -- invalid
  Diuca Reichenbach, 1850 -- valid
  Diuca diuca (Molina, 1782) -- valid -- Common Diuca Finch, Diuca Finch, Diuca gris, Diuca común, diuca, Common Diuca-finch
  Diuca speculifera (d'Orbigny & Lafresnaye, 1837) -- invalid -- White-winged Diuca Finch
  Dives Deppe, 1830 -- valid
  Dives atroviolacea (Orbigny, 1839) -- invalid
  Dives dives (Deppe, 1830) -- valid -- Tordo cantor, Melodious Blackbird
  Dives warszewiczi (Cabanis, 1861) -- valid -- Scrub Blackbird
  Dolichonyx Swainson, 1827 -- valid -- Bobolinks
  Dolichonyx oryzivorus (Linnaeus, 1758) -- valid -- Bobolink, goglu des prés, Tordo arrocero
  Doliornis Taczanowski, 1874 -- valid
  Doliornis remseni Robbins, G. H. Rosenberg & F. S. Molina, 1994 -- valid -- Chestnut-bellied Cotinga
  Doliornis sclateri Taczanowski, 1874 -- valid -- Bay-vented Cotinga
  Dolospingus D. G. Elliot, 1871 -- invalid
  Dolospingus fringilloides (Pelzeln, 1870) -- invalid -- White-naped Seedeater
  Donacobius Swainson, 1831 -- valid
  Donacobius atricapillus (Linnaeus, 1766) -- invalid
  Donacospiza Cabanis, 1851 -- valid
  Donacospiza albifrons (Vieillot, 1817) -- valid -- Long-tailed Reed Finch, Donacospize des marais, Cachilo canela, tico-tico-do-banhado, Long-tailed Reed-finch
  Doricha Reichenbach, 1854 -- valid
  Doricha eliza (R. Lesson & Delattre, 1839) -- valid -- Colibrí cola hendida, Mexican Sheartail
  Doricha enicura (Vieillot, 1818) -- valid -- Colibrí tijereta, Slender Sheartail
  Doryfera Gould, 1847 -- valid
  Doryfera johannae (Bourcier, 1847) -- valid -- Blue-fronted Lancebill
  Doryfera ludovicae (Bourcier & Mulsant, 1847) -- valid -- Green-fronted Lancebill
  Drepanis Temminck, 1820 -- valid -- Mamos
  Drepanis funerea A. Newton, 1894 -- valid -- Black Mamo
  Drepanis pacifica (J. F. Gmelin, 1788) -- valid -- Hawaii Mamo
  Drepanoptila Bonaparte, 1855 -- valid
  Drepanoptila holosericea (Temminck, 1809) -- valid -- Cloven-feathered Dove
  Dromaeocercus Sharpe, 1877 -- invalid
  Dromaeocercus brunneus Sharpe, 1877 -- invalid -- Brown Emutail
  Dromaius Vieillot, 1816 -- valid
  Dromaius novaehollandiae (Latham, 1790) -- valid -- Emu
  Dromas Paykull, 1805 -- valid
  Dromas ardeola Paykull, 1805 -- valid -- Crab-plover, Drome ardéole, Dromas, batuíra-caranguejeira
  Dromococcyx Wied-Neuwied, 1832 -- valid
  Dromococcyx pavoninus Pelzeln, 1870 -- valid -- Pavonine Cuckoo
  Dromococcyx phasianellus (Spix, 1824) -- valid -- Cuclillo faisán, Pheasant Cuckoo
  Drymocichla Hartlaub, 1881 -- valid
  Drymocichla incana Hartlaub, 1881 -- valid -- Red-winged Grey Warbler
  Drymodes Gould, 1841 -- valid
  Drymodes brunneopygia Gould, 1841 -- valid -- Southern Scrub Robin
  Drymodes superciliaris Gould, 1850 -- valid -- Northern Scrub Robin
  Drymophila Swainson, 1824 -- valid
  Drymophila caudata (P. L. Sclater, 1855) -- valid -- Long-tailed Antbird
  Drymophila devillei (Menegaux & Hellmayr, 1906) -- valid -- Striated Antbird
  Drymophila ferruginea (Temminck, 1822) -- valid -- Ferruginous Antbird
  Drymophila genei (Filippi, 1847) -- valid -- Rufous-tailed Antbird
  Drymophila malura (Temminck, 1825) -- valid -- Dusky-tailed Antbird
  Drymophila ochropyga (Hellmayr, 1906) -- valid -- Ochre-rumped Antbird
  Drymophila rubricollis (W. Bertoni, 1901) -- valid -- Bertoni's Antbird
  Drymophila squamata (Lichtenstein, 1823) -- valid -- Scaled Antbird
  Drymornis Eyton, 1852 -- valid
  Drymornis bridgesii (Eyton, 1850) -- valid -- Scimitar-billed Woodcreeper
  Dryocopus F. Boie, 1826 -- valid
  Dryocopus galeatus (Temminck, 1822) -- invalid -- Helmeted Woodpecker
  Dryocopus hodgei (Blyth, 1860) -- valid -- Andaman Woodpecker
  Dryocopus javensis (Horsfield, 1821) -- valid -- White-bellied Woodpecker
  Dryocopus lineatus (Linnaeus, 1766) -- valid -- Carpintero lineado, Lineated Woodpecker
  Dryocopus martius (Linnaeus, 1758) -- valid -- Black Woodpecker
  Dryocopus pileatus (Linnaeus, 1758) -- valid -- Pileated Woodpecker, grand pic
  Dryocopus schulzi (Cabanis, 1882) -- invalid -- Black-bodied Woodpecker
  Dryolimnas Sharpe, 1893 -- valid
  Dryolimnas cuvieri (Pucheran, 1845) -- valid -- White-throated Rail
  Dryoscopus F. Boie, 1826 -- valid
  Dryoscopus angolensis Hartlaub, 1860 -- valid -- Pink-footed Puffback
  Dryoscopus cubla (Shaw, 1809) -- invalid
  Dryoscopus gambensis (Lichtenstein, 1823) -- valid -- Northern Puffback
  Dryoscopus pringlii Jackson, 1893 -- valid -- Pringle's Puffback
  Dryoscopus sabini (J. E. Gray, 1831) -- valid -- Sabine's Puffback
  Dryoscopus senegalensis (Hartlaub, 1857) -- valid -- Red-eyed Puffback
  Dryotriorchis Shelley, 1874 -- valid
  Dryotriorchis spectabilis (Schlegel, 1863) -- valid -- Congo Serpent Eagle
  Dubusia Bonaparte, 1850 -- valid
  Dubusia taeniata (Boissonneau, 1840) -- valid -- Buff-breasted Mountain Tanager, Tangara à poitrine fauve, Tangara pechifulva norteña, Buff-breasted Mountain-tanager
  Ducula Hodgson, 1836 -- valid -- Pacific Pigeons
  Ducula aenea (Linnaeus, 1766) -- valid -- Green Imperial Pigeon
  Ducula aurorae (Peale, 1849) -- valid -- Polynesian Imperial Pigeon
  Ducula badia (Raffles, 1822) -- valid -- Mountain Imperial Pigeon
  Ducula bakeri (Kinnear, 1928) -- valid -- Vanuatu Imperial Pigeon
  Ducula basilica Bonaparte, 1854 -- valid -- Cinnamon Imperial Pigeon, Cinnamon-bellied Imperial Pigeon
  Ducula bicolor (Scopoli, 1786) -- valid -- Pied Imperial Pigeon
  Ducula brenchleyi (G. R. Gray, 1870) -- valid -- Chestnut-bellied Imperial Pigeon
  Ducula carola (Bonaparte, 1854) -- valid -- Spotted Imperial Pigeon
  Ducula chalconota (Salvadori, 1874) -- valid -- Shining Imperial Pigeon, Rufescent Imperial Pigeon
  Ducula cineracea (Temminck, 1835) -- valid -- Timor Imperial Pigeon
  Ducula concinna (Wallace, 1865) -- valid -- Elegant Imperial Pigeon
  Ducula constans Bruce, 1989 -- invalid
  Ducula finschii (E. P. Ramsay, 1882) -- valid -- Growling Imperial Pigeon, Finsch's Imperial Pigeon
  Ducula forsteni (Bonaparte, 1854) -- valid -- White-bellied Imperial Pigeon
  Ducula galeata (Bonaparte, 1855) -- valid -- Marquesan Imperial Pigeon
  Ducula goliath (G. R. Gray, 1859) -- valid -- Goliath Imperial Pigeon
  Ducula lacernulata (Temminck, 1822) -- valid -- Dark-backed Imperial Pigeon
  Ducula latrans (Peale, 1849) -- valid -- Barking Imperial Pigeon
  Ducula luctuosa (Temminck, 1824) -- valid -- Silver-tipped Imperial Pigeon
  Ducula melanochroa (P. L. Sclater, 1878) -- valid -- Black Imperial Pigeon
  Ducula mindorensis (J. Whitehead, 1896) -- valid -- Mindoro Zone-tailed Pigeon, Mindoro Imperial Pigeon
  Ducula mullerii (Temminck, 1835) -- valid -- Collared Imperial Pigeon
  Ducula myristicivora (Scopoli, 1786) -- valid -- Spice Imperial Pigeon
  Ducula oceanica (R. Lesson & Garnot, 1827) -- invalid -- Micronesian Pigeon, Micronesian Imperial Pigeon
  Ducula pacifica (J. F. Gmelin, 1789) -- valid -- Pacific Pigeon, Pacific Imperial Pigeon
  Ducula perspicillata (Temminck, 1824) -- valid -- Spectacled Imperial Pigeon
  Ducula pickeringii (Cassin, 1855) -- valid -- Grey Imperial Pigeon
  Ducula pinon (Quoy & Gaimard, 1824) -- invalid -- Pinon Imperial Pigeon
  Ducula pistrinaria Bonaparte, 1855 -- valid -- Floury Imperial Pigeon, Island Imperial Pigeon
  Ducula poliocephala (G. R. Gray, 1844) -- valid -- Pink-bellied Imperial Pigeon
  Ducula radiata (Quoy & Gaimard, 1832) -- valid -- Grey-headed Imperial Pigeon
  Ducula rosacea (Temminck, 1836) -- valid -- Pink-headed Imperial Pigeon
  Ducula rubricera (Bonaparte, 1854) -- valid -- Red-knobbed Imperial Pigeon
  Ducula rufigaster (Quoy & Gaimard, 1832) -- valid -- Purple-tailed Imperial Pigeon
  Ducula spilorrhoa (G. R. Gray, 1858) -- valid -- Torresian Imperial Pigeon
  Ducula subflavescens (Finsch, 1886) -- valid -- Yellowish Imperial Pigeon
  Ducula whartoni (Sharpe, 1887) -- valid -- Christmas Imperial Pigeon
  Ducula zoeae (R. Lesson in R. Lesson & Garnot, 1828) -- invalid -- Zoe Imperial Pigeon
  Dulus Vieillot, 1816 -- valid
  Dulus dominicus (Linnaeus, 1766) -- valid -- Palmchat
  Dumetella C. T. Wood, 1837 -- valid -- Catbirds
  Dumetella carolinensis (Linnaeus, 1766) -- valid -- Maullador gris, Gray Catbird, moqueur chat, Grey Catbird
  Dumetia Blyth, 1852 -- valid
  Dumetia hyperythra (Franklin, 1831) -- valid -- Tawny-bellied Babbler
  Dupetor Heine & Reichenow, 1890 -- valid
  Dupetor flavicollis (Latham, 1790) -- valid -- Black Bittern
  Dysithamnus Cabanis, 1847 -- valid
  Dysithamnus leucostictus P. L. Sclater, 1858 -- valid -- White-streaked Antvireo
  Dysithamnus mentalis (Temminck, 1823) -- valid -- Hormiguero sencillo, Plain Antvireo
  Dysithamnus occidentalis (Chapman, 1923) -- valid -- Bicolored Antvireo
  Dysithamnus plumbeus (Wied-Neuwied, 1831) -- valid -- Plumbeous Antvireo
  Dysithamnus puncticeps Salvin, 1866 -- valid -- Spot-crowned Antvireo
  Dysithamnus stictothorax (Temminck, 1823) -- valid -- Spot-breasted Antvireo
  Dysithamnus striaticeps Lawrence, 1865 -- valid -- Streak-crowned Antvireo
  Dysithamnus xanthopterus Burmeister, 1856 -- valid -- Rufous-backed Antvireo
  Dysmorodrepanis Perkins, 1919 -- valid
  Dysmorodrepanis munroi Perkins, 1919 -- valid -- Lanai Hookbill
  Eclectus Wagler, 1832 -- valid -- Eclectus Parrots
  Eclectus roratus (P. L. S. Müller, 1776) -- valid -- Eclectus Parrot, Moluccan Eclectus, Grand Éclectus, Loro ecléctico, papagaio-eclectus
  Ectopistes Swainson, 1827 -- valid -- Passenger Pigeons
  Ectopistes migratorius (Linnaeus, 1766) -- valid -- Passenger Pigeon, tourte voyageuse
  Egretta T. Forster, 1817 -- valid -- Plumed Egrets
  Egretta ardesiaca (Wagler, 1827) -- valid -- Black Heron
  Egretta caerulea (Linnaeus, 1758) -- valid -- Garceta azul, Little Blue Heron, aigrette bleu, Aigrette bleue
  Egretta dimorpha Hartert, 1914 -- valid -- Dimorphic Egret
  Egretta eulophotes (Swinhoe, 1860) -- valid -- Chinese Egret, Aigrette de Chine
  Egretta garzetta (Linnaeus, 1766) -- valid -- Little Egret, Aigrette garzette
  Egretta gularis (Bosc, 1792) -- valid -- Western Reef Heron, Aigrette à gorge blanche, Western Reef-Heron
  Egretta novaehollandiae (Latham, 1790) -- valid -- White-faced Heron
  Egretta rufescens (Gmelin, 1789) -- valid -- Reddish Egret, Garceta rojiza, Aigrette roussâtre
  Egretta sacra (Gmelin, 1789) -- valid -- Pacific Reef-Heron, Pacific Reef Heron
  Egretta thula (Molina, 1782) -- valid -- Garceta pie-dorado, Snowy Egret, Aigrette neigeuse
  Egretta tricolor (Statius Muller, 1776) -- valid -- Garceta tricolor, Tricolored Heron, Aigrette tricolore
  Egretta vinaceigula (Sharpe, 1895) -- valid -- Slaty Egret
  Elaenia Sundevall, 1836 -- valid -- Elaenias
  Elaenia albiceps (Orbigny & Lafresnaye, 1837) -- valid -- White-crested Elaenia
  Elaenia chiriquensis Lawrence, 1865 -- valid -- Lesser Elaenia
  Elaenia cristata Pelzeln, 1868 -- valid -- Plain-crested Elaenia
  Elaenia dayi Chapman, 1929 -- valid -- Great Elaenia
  Elaenia fallax P. L. Sclater, 1861 -- valid -- Greater Antillean Elaenia
  Elaenia flavogaster (Thunberg, 1822) -- valid -- Yellow-bellied Elaenia, Elenia vientre amarillo
  Elaenia frantzii Lawrence, 1865 -- valid -- Mountain Elaenia
  Elaenia gigas P. L. Sclater, 1871 -- valid -- Mottle-backed Elaenia
  Elaenia martinica (Linnaeus, 1766) -- valid -- Caribbean Elaenia, Elenia caribeña
  Elaenia mesoleuca (Deppe, 1830) -- valid -- Olivaceous Elaenia
  Elaenia obscura (Orbigny & Lafresnaye, 1837) -- valid -- Highland Elaenia
  Elaenia pallatangae P. L. Sclater, 1862 -- valid -- Sierran Elaenia
  Elaenia parvirostris Pelzeln, 1868 -- valid -- Small-billed Elaenia
  Elaenia pelzelni Berlepsch, 1907 -- valid -- Brownish Elaenia
  Elaenia ridleyana Sharpe, 1888 -- valid -- Noronha Elaenia
  Elaenia ruficeps Pelzeln, 1868 -- valid -- Rufous-crowned Elaenia
  Elaenia spectabilis Pelzeln, 1868 -- valid -- Large Elaenia
  Elaenia strepera Cabanis, 1883 -- valid -- Slaty Elaenia
  Elanoides Vieillot, 1818 -- valid -- Swallow-tailed Kites
  Elanoides forficatus (Linnaeus, 1758) -- valid -- American Swallow-tailed Kite, Milano tijereta, Swallow-tailed Kite, Milan à queue fourchue
  Elanus Savigny, 1809 -- valid -- Black-shouldered Kites
  Elanus axillaris (Latham, 1802) -- valid -- Black-shouldered Kite
  Elanus caeruleus (Desfontaines, 1789) -- valid -- Black-shouldered Kite, Black-winged Kite
  Elanus leucurus (Vieillot, 1818) -- valid -- Milano cola blanca, White-tailed Kite, Élanion à queue blanche
  Elanus scriptus Gould, 1842 -- valid -- Letter-winged Kite
  Electron Gistel, 1848 -- valid
  Electron carinatum (Du Bus de Gisignies, 1847) -- valid -- Momoto pico quilla, Keel-billed Motmot, Momoto carenado, Motmot à bec caréné
  Electron platyrhynchum (Leadbeater, 1829) -- valid -- Broad-billed Motmot, udu-de-bico-largo, Momoto picoancho, Motmot à bec large
  Eleothreptus G. R. Gray, 1840 -- valid
  Eleothreptus anomalus (Gould, 1838) -- valid -- Sickle-winged Nightjar
  Elminia Bonaparte, 1854 -- valid
  Elminia albicauda Bocage, 1877 -- valid -- White-tailed Blue Flycatcher
  Elminia longicauda (Swainson, 1838) -- valid -- African Blue Flycatcher
  Elseyornis Mathews, 1914 -- valid
  Elseyornis melanops (Vieillot, 1818) -- valid -- Black-fronted Dotterel, Pluvier à face noire, Chorlitejo frentinegro, batuíra-de-fronte-preta
  Elvira Mulsant, J. Verreaux & E. Verreaux, 1866 -- invalid
  Elvira chionura (Gould, 1851) -- invalid -- White-tailed Emerald
  Elvira cupreiceps (Lawrence, 1866) -- invalid -- Coppery-headed Emerald
  Emberiza Linnaeus, 1758 -- valid -- Eurasian Buntings
  Emberiza affinis Heuglin, 1867 -- valid -- Brown-rumped Bunting, Bruant à ventre jaune, Escribano culipardo, cia-da-nigéria
  Emberiza aureola Pallas, 1773 -- valid -- Yellow-breasted Bunting, Bruant auréole, Escribano aureolado, escrevedeira-de-barriga-amarela
  Emberiza bruniceps J. F. Brandt, 1841 -- valid -- Red-headed Bunting, Bruant à tête rousse, Escribano carirrojo, escrevedeira-de-cabeça-ruiva
  Emberiza buchanani Blyth, 1845 -- valid -- Grey-necked Bunting, Bruant à cou gris, Escribano cabecigrís, sombria-de-pescoço-cinzento, Gray-necked Bunting
  Emberiza cabanisi (Reichenow, 1875) -- valid -- Cabanis's Bunting, Bruant de Cabanis, Escribano de Cabanis, escrevedeira-de-cabanis
  Emberiza caesia Cretzschmar, 1827 -- valid -- Cretzschmar's Bunting, Bruant cendrillard, Escribano ceniciento, sombria-de-capuz
  Emberiza capensis Linnaeus, 1767 -- valid -- Cape Bunting, Bruant du Cap, Escribano de El Cabo, escrevedeira-do-cabo
  Emberiza chrysophrys Pallas, 1776 -- valid -- Yellow-browed Bunting, Bruant à sourcils jaunes, Escribano cejigualdo, escrevedeira-de-sobrolho
  Emberiza cia Linnaeus, 1767 -- valid -- Rock Bunting, Bruant fou, Escribano montesino, cia
  Emberiza cineracea C. L. Brehm, 1855 -- valid -- Cinereous Bunting, Bruant cendré, Escribano cinéreo, escrevedeira-cinzenta
  Emberiza cioides J. F. Brandt, 1843 -- valid -- Meadow Bunting, Bruant à longue queue, Escribano de Brandt, escrevedeira-de-brandt
  Emberiza cirlus Linnaeus, 1767 -- valid -- Cirl Bunting, Bruant zizi, Escribano soteño, escrevedeira
  Emberiza citrinella Linnaeus, 1758 -- valid -- Bruant jaune, Escribano cerillo, escrevedeira-amarela, Eurasian Yellow Bunting, Yellowhammer
  Emberiza elegans Temminck, 1836 -- valid -- Yellow-throated Bunting, Bruant élégant, Escribano elegante
  Emberiza flaviventris Stephens, 1815 -- valid -- Golden-breasted Bunting, Bruant à poitrine dorée, Escribano pechidorado, escrevedeira-de-peito-dourado
  Emberiza fucata Pallas, 1776 -- valid -- Chestnut-eared Bunting, Bruant à oreillons, Escribano orejudo, escrevedeira-de-faces-castanhas
  Emberiza godlewskii Taczanowski, 1874 -- valid -- Godlewski's Bunting, Bruant de Godlewski, Escribano de Godlewski
  Emberiza hortulana Linnaeus, 1758 -- valid -- Ortolan Bunting, Bruant ortolan, Escribano hortelano, sombria
  Emberiza impetuani A. Smith, 1836 -- valid -- Lark-like Bunting, Bruant des rochers, Escribano alaudino, escrevedeira-cotovia
  Emberiza jankowskii Taczanowski, 1888 -- valid -- Jankowski's Bunting, Bruant de Jankowski, Escribano de Jankowski, escrevedeira-de-dorso-ruivo, Rufous-backed Bunting
  Emberiza koslowi Bianchi, 1904 -- valid -- Tibetan Bunting, Bruant de Koslov, Escribano tibetano
  Emberiza leucocephalos S. G. Gmelin, 1771 -- valid -- Pine Bunting, Bruant à calotte blanche, Escribano cabeciblanco, escrevedeira-de-barrete-branco
  Emberiza melanocephala Scopoli, 1769 -- valid -- Black-headed Bunting, Bruant mélanocéphale, Escribano cabecinegro, escrevedeira-de-cabeça-preta
  Emberiza pallasi (Cabanis, 1851) -- valid -- Bruant de Pallas, Escribano de Pallas, escrevedeira-de-pallas, Pallas' Reed-Bunting, Pallas's Bunting, Pallas's Reed Bunting
  Emberiza poliopleura (Salvadori, 1888) -- valid -- Somali Bunting, Bruant de Somalie, Escribano somalí
  Emberiza pusilla Pallas, 1776 -- valid -- Bruant nain, Escribano pigmeo, escrevedeira-pequena, Little Bunting
  Emberiza rustica Pallas, 1776 -- valid -- Bruant rustique, Escribano rústico, escrevedeira-rústica, Rustic Bunting
  Emberiza rutila Pallas, 1776 -- valid -- Chestnut Bunting, Bruant roux, Escribano herrumbroso, escrevedeira-ferrugínea
  Emberiza schoeniclus (Linnaeus, 1758) -- valid -- Bruant des roseaux, Escribano palustre, escrevedeira-dos-caniços, Eurasian Reed Bunting, Common Reed-Bunting, Common Reed Bunting, Reed Bunting
  Emberiza socotrana (Ogilvie-Grant & H. O. Forbes, 1899) -- valid -- Socotra Bunting, Bruant de Socotra, Escribano de Socotora
  Emberiza spodocephala Pallas, 1776 -- valid -- Black-faced Bunting, Bruant masqué, Escribano carinegro, escrevedeira-de-faces-pretas
  Emberiza stewarti (Blyth, 1854) -- valid -- White-capped Bunting, Bruant de Stewart, Escribano de Stewart, escrevedeira-de-cabeça-branca
  Emberiza striolata (M. H. K. Lichtenstein, 1823) -- valid -- House Bunting, Striolated Bunting, Bruant striolé, Escribano estriado, escrevedeira-doméstica
  Emberiza sulphurata Temminck & Schlegel, 1848 -- valid -- Yellow Bunting, Bruant du Japon, Escribano japonés, Japanese Yellow Bunting
  Emberiza tahapisi A. Smith, 1836 -- valid -- Cinnamon-breasted Bunting, Bruant cannelle, Escribano canelo, cia-africana
  Emberiza tristrami Swinhoe, 1870 -- valid -- Tristram's Bunting, Bruant de Tristram, Escribano de Tristram
  Emberiza variabilis Temminck, 1836 -- valid -- Bruant gris, Escribano gris, Gray Bunting, Grey Bunting
  Emberiza yessoensis (Swinhoe, 1874) -- valid -- Japanese Reed Bunting, Bruant de Yéso, Escribano culiocre
  Emberizoides Temminck, 1822 -- valid
  Emberizoides duidae Chapman, 1929 -- valid -- Duida Grass Finch, Tardivole du Duida, Coludo del Duida, Duida Grass-Finch, Duida Grass-finch
  Emberizoides herbicola (Vieillot, 1817) -- valid -- Wedge-tailed Grass Finch, Wedge-tailed Grass-Finch, Grand Tardivole, Coludo colicuña, canário-do-campo, Wedge-tailed Grass-finch
  Emberizoides ypiranganus H. Ihering & R. Ihering, 1907 -- valid -- Lesser Grass Finch, Petit Tardivole, Coludo chico, canário-do-brejo, Lesser Grass-Finch, Lesser Grass-finch
  Embernagra R. Lesson, 1831 -- valid
  Embernagra longicauda Strickland, 1844 -- valid -- Serra Finch, Embernagre du Brésil, Coludo gorjipálido, rabo-mole-da-serra, Pale-throated Pampa-Finch, Pale-throated Pampa-finch
  Embernagra platensis (J. F. Gmelin, 1789) -- valid -- Pampa Finch, Embernagre à cinq couleurs, Coludo verdón, sabiá-do-banhado, Great Pampa-Finch, Great Pampa-finch
  Emblema Gould, 1842 -- valid
  Emblema pictum Gould, 1842 -- valid -- Painted Finch
  Eminia Hartlaub, 1881 -- valid
  Eminia lepida Hartlaub, 1881 -- valid -- Grey-capped Warbler
  Empidonax Cabanis, 1855 -- valid -- Empidonax Flycatchers
  Empidonax affinis (Swainson, 1827) -- valid -- Pine Flycatcher, Mosquero pinero
  Empidonax albigularis P. L. Sclater & Salvin, 1859 -- valid -- White-throated Flycatcher, Mosquero garganta blanca
  Empidonax alnorum Brewster, 1895 -- valid -- Mosquero ailero, Alder Flycatcher, moucherolle des aulnes
  Empidonax atriceps Salvin, 1870 -- valid -- Black-capped Flycatcher
  Empidonax difficilis S. F. Baird, 1858 -- valid -- Western Flycatcher, Mosquero californiano, Pacific-slope Flycatcher
  Empidonax flavescens Lawrence, 1865 -- valid -- Yellowish Flycatcher, Mosquero amarillento
  Empidonax flaviventris (W. M. Baird & S. F. Baird, 1843) -- valid -- Mosquero vientre amarillo, Yellow-bellied Flycatcher, moucherolle à ventre jaune
  Empidonax fulvifrons (Giraud, 1841) -- valid -- Buff-breasted Flycatcher, Mosquero pecho leonado
  Empidonax griseipectus Lawrence, 1869 -- invalid
  Empidonax hammondii (Xantus de Vesey, 1858) -- valid -- Mosquero de Hammond, Hammond's Flycatcher
  Empidonax minimus (W. M. Baird & S. F. Baird, 1843) -- valid -- Mosquero mímimo, Least Flycatcher, moucherolle tchébec
  Empidonax oberholseri A. R. Phillips, 1939 -- valid -- Dusky Flycatcher, Mosquero oscuro
  Empidonax occidentalis Nelson, 1897 -- valid -- Cordilleran Flycatcher, Mosquero barranqueño
  Empidonax traillii (Audubon, 1828) -- valid -- Mosquero saucero, Willow Flycatcher, moucherolle des saules
  Empidonax virescens (Vieillot, 1818) -- valid -- Mosquero verdoso, Acadian Flycatcher, moucherolle vert
  Empidonax wrightii S. F. Baird, 1858 -- valid -- Gray Flycatcher, Mosquero gris, Grey Flycatcher
  Empidonomus Cabanis & Heine, 1859 -- valid -- Variegated Flycatchers
  Empidonomus varius (Vieillot, 1818) -- valid -- Variegated Flycatcher
  Empidornis Reichenow, 1901 -- valid
  Empidornis semipartitus (Rüppell, 1840) -- valid -- Silverbird
  Enicognathus G. R. Gray, 1840 -- valid
  Enicognathus ferrugineus (P. L. S. Müller, 1776) -- valid -- Austral Parakeet, Conure magellanique, Cotorra cachaña, periquito-austral
  Enicognathus leptorhynchus (P. P. King, 1831) -- valid -- Slender-billed Parakeet, Conure à long bec, Cotorra choroy
  Enicurus Temminck, 1822 -- valid
  Enicurus immaculatus (Hodgson, 1836) -- valid -- Black-backed Forktail
  Enicurus leschenaulti (Vieillot, 1818) -- valid -- White-crowned Forktail
  Enicurus maculatus Vigors, 1831 -- valid -- Spotted Forktail
  Enicurus ruficapillus Temminck, 1832 -- valid -- Chestnut-naped Forktail
  Enicurus schistaceus (Hodgson, 1836) -- valid -- Slaty-backed Forktail
  Enicurus scouleri Vigors, 1832 -- valid -- Little Forktail
  Enicurus velatus Temminck, 1822 -- valid -- Sunda Forktail
  Enodes Temminck, 1839 -- valid
  Enodes erythrophris (Temminck, 1824) -- valid -- Fiery-browed Starling
  Ensifera R. Lesson, 1843 -- valid
  Ensifera ensifera (Boissonneau, 1840) -- valid -- Sword-billed Hummingbird
  Entomodestes Stejneger, 1883 -- valid
  Entomodestes coracinus (Berlepsch, 1897) -- valid -- Black Solitaire
  Entomodestes leucotis (Tschudi, 1844) -- valid -- White-eared Solitaire
  Entomyzon Swainson, 1825 -- valid
  Entomyzon cyanotis (Latham, 1801) -- valid -- Blue-faced Honeyeater, Méliphage à oreillons bleus, Mielero cariazul, melífago-de-faces-azuis
  Eolophus Bonaparte, 1854 -- valid
  Eolophus roseicapillus (Vieillot, 1817) -- invalid
  Eophona Gould, 1851 -- valid
  Eophona migratoria Hartert, 1903 -- valid -- Yellow-billed Grosbeak, Chinese Grosbeak
  Eophona personata (Temminck & Schlegel, 1848) -- valid -- Japanese Grosbeak
  Eopsaltria Swainson, 1832 -- valid
  Eopsaltria australis (Shaw, 1790) -- valid -- Eastern Yellow Robin
  Eopsaltria flaviventris Sharpe, 1903 -- invalid -- Yellow-bellied Robin
  Eopsaltria georgiana (Quoy & Gaimard, 1830) -- valid -- White-breasted Robin
  Eopsaltria griseogularis Gould, 1838 -- valid -- Western Yellow Robin
  Eopsaltria pulverulenta (Bonaparte, 1850) -- invalid
  Eos Wagler, 1832 -- valid
  Eos bornea (Linnaeus, 1758) -- valid -- Red Lory, Lori écarlate, Lori rojo, lóris-vermelho
  Eos cyanogenia Bonaparte, 1850 -- valid -- Black-winged Lory, Lori à joues bleues, Lori alinegro, lóris-asa-negra
  Eos histrio (P. L. S. Müller, 1776) -- valid -- Red-and-blue Lory, Lori arlequin, Lori de las Sangihe, lóris-arlequin
  Eos reticulata (S. Müller, 1841) -- valid -- Blue-streaked Lory, Lori réticulé, Lori de las Tanimbar, lóris-de-crista-azul
  Eos semilarvata Bonaparte, 1850 -- valid -- Blue-eared Lory, Lori masqué, Lori de Seram
  Eos squamata (Boddaert, 1783) -- valid -- Violet-necked Lory, Lori écaillé, Lori escamoso, lóris-de-colar-violeta
  Ephippiorhynchus Bonaparte, 1855 -- valid
  Ephippiorhynchus asiaticus (Latham, 1790) -- valid -- Black-necked Stork
  Ephippiorhynchus senegalensis (Shaw, 1800) -- valid -- Saddle-billed Stork
  Epimachus Cuvier, 1816 -- valid
  Epimachus albertisi (P. L. Sclater, 1873) -- invalid
  Epimachus bruijnii (Oustalet, 1879) -- invalid
  Epimachus fastuosus (Hermann, 1783) -- invalid -- Black Sicklebill
  Epimachus meyeri Finsch & A. B. Meyer, 1885 -- valid -- Brown Sicklebill
  Epthianura Gould, 1838 -- valid
  Epthianura albifrons (Jardine & Selby, 1828) -- valid -- White-fronted Chat, Epthianure à front blanc, Eptianuro pío
  Epthianura aurifrons Gould, 1838 -- valid -- Orange Chat, Epthianure orangée, Eptianuro naranja
  Epthianura crocea Castelnau & E. P. Ramsay, 1877 -- valid -- Yellow Chat, Epthianure à collier, Eptianuro amarillo
  Epthianura tricolor Gould, 1841 -- valid -- Crimson Chat, Epthianure tricolore, Eptianuro tricolor, eptianuro-escarlate
  Eremalauda W. L. Sclater, 1926 -- valid
  Eremalauda dunni (Shelley, 1904) -- valid -- Dunn's Lark
  Eremalauda starki (Shelley, 1902) -- invalid -- Stark's Lark
  Eremiornis North, 1900 -- invalid
  Eremiornis carteri North, 1900 -- invalid -- Spinifexbird
  Eremobius Gould, 1839 -- valid
  Eremobius phoenicurus Gould, 1839 -- valid -- Band-tailed Eremobius
  Eremomela Sundevall, 1850 -- valid
  Eremomela atricollis Bocage, 1894 -- valid -- Black-necked Eremomela
  Eremomela badiceps (Fraser, 1843) -- valid -- Rufous-crowned Eremomela
  Eremomela canescens Antinori, 1864 -- valid -- Green-backed Eremomela
  Eremomela flavicrissalis Sharpe, 1895 -- valid -- Yellow-vented Eremomela
  Eremomela gregalis (A. Smith, 1829) -- valid -- Karoo Eremomela
  Eremomela icteropygialis (Lafresnaye, 1839) -- valid -- Yellow-bellied Eremomela
  Eremomela pusilla Hartlaub, 1857 -- valid -- Senegal Eremomela
  Eremomela salvadorii Reichenow, 1891 -- valid -- Salvadori's Eremomela
  Eremomela scotops Sundevall, 1850 -- valid -- Green-capped Eremomela
  Eremomela turneri Someren, 1920 -- valid -- Turner's Eremomela
  Eremomela usticollis Sundevall, 1850 -- valid -- Burnt-neck Eremomela
  Eremophila F. Boie, 1828 -- valid -- Horned Larks
  Eremophila alpestris (Linnaeus, 1758) -- valid -- Alondra cornuda, Horned Lark, alouette hausse-col
  Eremophila bilopha (Temminck, 1823) -- valid -- Temminck's Lark
  Eremopterix Kaup, 1836 -- valid
  Eremopterix australis (A. Smith, 1836) -- valid -- Black-eared Sparrow-Lark
  Eremopterix grisea (Scopoli, 1786) -- invalid
  Eremopterix leucopareia (Fischer & Reichenow, 1884) -- valid -- Fischer's Sparrow-Lark
  Eremopterix leucotis (Stanley, 1814) -- valid -- Chestnut-backed Sparrow-Lark
  Eremopterix nigriceps (Gould, 1839) -- valid -- Black-crowned Sparrow-Lark
  Eremopterix signata (Oustalet, 1886) -- invalid
  Eremopterix verticalis (A. Smith, 1836) -- valid -- Grey-backed Sparrow-Lark
  Ergaticus S. F. Baird, 1865 -- invalid
  Ergaticus ruber (Swainson, 1827) -- invalid -- Chipe rojo, Red Warbler
  Ergaticus versicolor (Salvin, 1863) -- invalid -- Chipe rosado, Pink-headed Warbler
  Eriocnemis Reichenbach, 1849 -- valid
  Eriocnemis alinae (Bourcier, 1843) -- invalid -- Emerald-bellied Puffleg
  Eriocnemis cupreoventris (Fraser, 1840) -- valid -- Coppery-bellied Puffleg
  Eriocnemis derbyi (Delattre & Bourcier, 1846) -- valid -- Black-thighed Puffleg
  Eriocnemis glaucopoides (d'Orbigny & Lafresnaye, 1838) -- valid -- Blue-capped Puffleg
  Eriocnemis godini (Bourcier, 1851) -- valid -- Turquoise-throated Puffleg
  Eriocnemis luciani (Bourcier, 1847) -- valid -- Sapphire-vented Puffleg
  Eriocnemis mirabilis Meyer de Schauensee, 1967 -- valid -- Colorful Puffleg
  Eriocnemis mosquera (Delattre & Bourcier, 1846) -- valid -- Golden-breasted Puffleg
  Eriocnemis nigrivestis (Bourcier & Mulsant, 1852) -- valid -- Black-breasted Puffleg
  Eriocnemis vestitus (R. Lesson, 1839) -- invalid
  Erithacus Cuvier, 1800 -- valid
  Erithacus akahige (Temminck, 1835) -- valid -- Japanese Robin
  Erithacus komadori (Temminck, 1835) -- valid -- Ryukyu Robin
  Erithacus rubecula (Linnaeus, 1758) -- valid -- European Robin
  Erythrocercus Hartlaub, 1857 -- valid
  Erythrocercus holochlorus Erlanger, 1901 -- valid -- Little Yellow Flycatcher
  Erythrocercus livingstonei G. R. Gray, 1870 -- valid -- Livingstone's Flycatcher
  Erythrocercus mccallii (Cassin, 1855) -- valid -- Chestnut-capped Flycatcher
  Erythrogonys Gould, 1838 -- valid
  Erythrogonys cinctus Gould, 1838 -- valid -- Red-kneed Dotterel, Pluvier ceinturé, Chorlito pechinegro, batuíra-de-cinta
  Erythrotriorchis Sharpe, 1875 -- valid
  Erythrotriorchis buergersi (Reichenow, 1914) -- valid -- Chestnut-shouldered Goshawk
  Erythrotriorchis radiatus (Latham, 1802) -- valid -- Red Goshawk
  Erythrura Swainson, 1837 -- valid -- Parrot-Finches
  Erythrura coloria Ripley & Rabor, 1961 -- valid -- Red-eared Parrot-Finch
  Erythrura cyaneovirens (Peale, 1848) -- valid -- Red-headed Parrot-Finch
  Erythrura hyperythra (Reichenbach, 1862) -- valid -- Tawny-breasted Parrot-Finch
  Erythrura kleinschmidti (Finsch, 1878) -- valid -- Pink-billed Parrot-Finch
  Erythrura papuana Hartert, 1900 -- valid -- Papuan Parrot-Finch
  Erythrura pealii Hartlaub, 1852 -- valid
  Erythrura prasina (Sparrman, 1788) -- valid -- Pin-tailed Parrot-Finch
  Erythrura psittacea (Gmelin, 1789) -- valid -- Red-throated Parrot-Finch
  Erythrura regia (P. L. Sclater, 1881) -- valid
  Erythrura trichroa (Kittlitz, 1833) -- valid -- Blue-faced Parrot-Finch
  Erythrura tricolor (Vieillot, 1817) -- valid -- Tricolored Parrot-Finch
  Erythrura viridifacies Hachisuka & Delacour, 1937 -- valid -- Green-faced Parrot-Finch
  Estrilda Swainson, 1827 -- valid -- Waxbills
  Estrilda astrild (Linnaeus, 1758) -- valid -- Common Waxbill
  Estrilda atricapilla J. Verreaux & E. Verreaux, 1851 -- valid -- Black-headed Waxbill
  Estrilda caerulescens (Vieillot, 1817) -- valid -- Lavender Waxbill
  Estrilda charmosyna (Reichenow, 1881) -- valid -- Black-cheeked Waxbill
  Estrilda erythronotos (Vieillot, 1817) -- valid -- Black-faced Waxbill
  Estrilda kandti Reichenow, 1902 -- valid
  Estrilda melanotis (Temminck, 1823) -- invalid -- Swee Waxbill
  Estrilda melpoda (Vieillot, 1817) -- valid -- Orange-cheeked Waxbill
  Estrilda nigriloris Chapin, 1928 -- valid -- Black-lored Waxbill
  Estrilda nonnula Hartlaub, 1883 -- valid -- Black-crowned Waxbill
  Estrilda ochrogaster Salvadori, 1897 -- valid -- Abyssinian Waxbill
  Estrilda paludicola Heuglin, 1863 -- valid -- Fawn-breasted Waxbill
  Estrilda perreini (Vieillot, 1817) -- valid -- Grey Waxbill
  Estrilda poliopareia Reichenow, 1902 -- valid -- Anambra Waxbill
  Estrilda quartinia Bonaparte, 1850 -- invalid -- Yellow-bellied Waxbill
  Estrilda rhodopyga Sundevall, 1850 -- valid -- Crimson-rumped Waxbill
  Estrilda rufibarba (Cabanis, 1851) -- valid -- Arabian Waxbill
  Estrilda thomensis Sousa, 1888 -- valid -- Cinderella Waxbill
  Estrilda troglodytes (Lichtenstein, 1823) -- valid -- Black-rumped Waxbill
  Eubucco Bonaparte, 1850 -- valid
  Eubucco bourcierii (Lafresnaye, 1845) -- valid -- Red-headed Barbet
  Eubucco richardsoni (G. R. Gray, 1846) -- valid -- Lemon-throated Barbet
  Eubucco tucinkae (Seilern, 1913) -- valid -- Scarlet-hooded Barbet
  Eubucco versicolor (P. L. S. Müller, 1776) -- valid -- Versicolored Barbet
  Eucometis P. L. Sclater, 1856 -- valid
  Eucometis penicillata (Spix, 1825) -- valid -- Tángara cabeza gris, Grey-headed Tanager, Gray-headed Tanager, Tangara à tête grise, Tangara cabecigrís, pipira-da-taoca
  Eudocimus Wagler, 1832 -- valid -- White Ibises
  Eudocimus albus (Linnaeus, 1758) -- valid -- Ibis blanco, White Ibis, American White Ibis, Ibis blanc
  Eudocimus ruber (Linnaeus, 1758) -- valid -- Scarlet Ibis, Ibis rouge
  Eudromia I. Geoffroy Saint-Hilaire, 1832 -- valid
  Eudromia elegans I. Geoffroy Saint-Hilaire, 1832 -- valid -- Elegant Crested Tinamou
  Eudromia formosa (Lillo, 1905) -- valid -- Quebracho Crested Tinamou
  Eudromias Brehm, 1830 -- invalid
  Eudromias morinellus (Linnaeus, 1758) -- invalid -- Eurasian Dotterel
  Eudynamys Vigors & Horsfield, 1827 -- valid
  Eudynamys cyanocephala (Latham, 1802) -- invalid
  Eudynamys melanorhyncha S. Muller, 1843 -- invalid
  Eudynamys scolopacea (Linnaeus, 1758) -- invalid
  Eudynamys taitensis (Sparrman, 1787) -- invalid
  Eudyptes Vieillot, 1816 -- valid -- Crested Penguins
  Eudyptes chrysocome (J. R. Forster, 1781) -- valid -- Rockhopper Penguin, Southern Rockhopper Penguin
  Eudyptes chrysolophus (Brandt, 1837) -- valid -- Macaroni Penguin
  Eudyptes pachyrhynchus G. R. Gray, 1845 -- valid -- Fiordland Penguin
  Eudyptes robustus Oliver, 1953 -- valid -- Snares Penguin
  Eudyptes schlegeli Finsch, 1876 -- valid -- Royal Penguin
  Eudyptes sclateri Buller, 1888 -- valid -- Erect-crested Penguin
  Eudyptula Bonaparte, 1856 -- valid
  Eudyptula minor (J. R. Forster, 1781) -- valid -- Fairy Penguin, Little Penguin
  Eugenes Gould, 1856 -- valid -- Magnificent Hummingbirds
  Eugenes fulgens (Swainson, 1827) -- valid -- Magnificent Hummingbird, Colibrí magnífico, Rivoli's Hummingbird
  Eugerygone Finsch, 1901 -- valid
  Eugerygone rubra (Sharpe, 1879) -- valid -- Garnet Robin
  Eugralla Lesson, 1842 -- valid
  Eugralla paradoxa (Kittlitz, 1830) -- valid -- Ochre-flanked Tapaculo
  Eulabeornis Gould, 1844 -- valid
  Eulabeornis castaneoventris Gould, 1844 -- valid -- Chestnut Rail
  Eulacestoma De Vis, 1894 -- valid
  Eulacestoma nigropectus De Vis, 1894 -- valid -- Wattled Ploughbill
  Eulampis F. Boie, 1831 -- valid -- Caribs
  Eulampis holosericeus (Linnaeus, 1758) -- valid -- Green-throated Carib
  Eulampis jugularis (Linnaeus, 1766) -- valid -- Purple-throated Carib
  Eulidia Mulsant, 1877 -- valid
  Eulidia yarrellii (Bourcier, 1847) -- valid -- Chilean Woodstar
  Eumomota P. L. Sclater, 1858 -- valid
  Eumomota superciliosa (Sandbach, 1837) -- valid -- Momoto ceja azul, Turquoise-browed Motmot, torogoz, Momoto cejiazul, Motmot à sourcils bleus
  Eumyias Cabanis, 1850 -- valid
  Eumyias albicaudata (Jerdon, 1840) -- invalid
  Eumyias indigo (Horsfield, 1821) -- valid -- Indigo Flycatcher
  Eumyias panayensis Sharpe, 1877 -- valid -- Turquoise Flycatcher
  Eumyias sordida (Walden, 1870) -- invalid
  Eumyias thalassina (Swainson, 1838) -- invalid
  Euneornis Fitzinger, 1856 -- valid
  Euneornis campestris (Linnaeus, 1758) -- valid -- Orangequit, Pique-orange de Jamaïque, Semillero azulillo
  Eunymphicus J. L. Peters, 1937 -- valid
  Eunymphicus cornutus (J. F. Gmelin, 1788) -- valid -- Horned Parakeet, Long-Horned Parakeet, Perruche cornue, Perico cornudo, periquito-de-chifres
  Eupetes Temminck, 1831 -- valid
  Eupetes macrocerus Temminck, 1831 -- valid -- Malaysian Rail-babbler
  Eupetomena Gould, 1853 -- valid
  Eupetomena macroura (J. F. Gmelin, 1788) -- valid -- Swallow-tailed Hummingbird
  Euphagus Cassin, 1867 -- valid -- American Blackbirds
  Euphagus carolinus (Statius Muller, 1776) -- valid -- Tordo canadiense, Rusty Blackbird, quiscale rouilleux
  Euphagus cyanocephalus (Wagler, 1829) -- valid -- Brewer's Blackbird, quiscale de Brewer, Tordo ojo amarillo
  Eupherusa Gould, 1857 -- valid
  Eupherusa cyanophrys J. S. Rowley & Orr, 1964 -- valid -- Colibrí oaxaqueño, Oaxaca Hummingbird, Blue-capped Hummingbird
  Eupherusa eximia (Delattre, 1843) -- valid -- Colibrí cola rayada, Stripe-tailed Hummingbird
  Eupherusa nigriventris Lawrence, 1868 -- valid -- Black-bellied Hummingbird
  Eupherusa poliocerca D. G. Elliot, 1871 -- valid -- Colibrí cola blanca, White-tailed Hummingbird
  Euphonia Desmarest, 1806 -- valid -- Euphonias
  Euphonia affinis (Lesson, 1842) -- valid -- Eufonia garganta negra, Scrub Euphonia
  Euphonia anneae Cassin, 1865 -- valid -- Tawny-capped Euphonia
  Euphonia cayennensis (J. F. Gmelin, 1789) -- valid -- Golden-sided Euphonia
  Euphonia chalybea (Mikan, 1825) -- valid -- Green-chinned Euphonia
  Euphonia chlorotica (Linnaeus, 1766) -- valid -- Purple-throated Euphonia
  Euphonia chrysopasta P. L. Sclater & Salvin, 1869 -- valid -- White-lored Euphonia
  Euphonia concinna P. L. Sclater, 1855 -- valid -- Velvet-fronted Euphonia
  Euphonia cyanocephala (Vieillot, 1819) -- valid -- Golden-rumped Euphonia
  Euphonia elegantissima (Bonaparte, 1838) -- valid -- Eufonia capucha azul, Elegant Euphonia
  Euphonia finschi P. L. Sclater & Salvin, 1877 -- valid -- Finsch's Euphonia
  Euphonia fulvicrissa P. L. Sclater, 1857 -- valid -- Fulvous-vented Euphonia
  Euphonia gouldi P. L. Sclater, 1857 -- valid -- Eufonia olivácea, Olive-backed Euphonia
  Euphonia hirundinacea Bonaparte, 1838 -- valid -- Eufonia garganta amarilla, Yellow-throated Euphonia
  Euphonia imitans (Hellmayr, 1936) -- valid -- Spot-crowned Euphonia
  Euphonia jamaica (Linnaeus, 1766) -- valid -- Jamaican Euphonia
  Euphonia laniirostris d'Orbigny & Lafresnaye, 1837 -- valid -- Thick-billed Euphonia
  Euphonia luteicapilla (Cabanis, 1861) -- valid -- Yellow-crowned Euphonia
  Euphonia mesochrysa Salvadori, 1873 -- valid -- Bronze-green Euphonia
  Euphonia minuta Cabanis, 1849 -- valid -- Eufonia vientre blanco, White-vented Euphonia
  Euphonia musica (J. F. Gmelin, 1789) -- valid -- Antillean Euphonia
  Euphonia pectoralis (Latham, 1801) -- valid -- Chestnut-bellied Euphonia
  Euphonia plumbea Du Bus de Gisignies, 1855 -- valid -- Plumbeous Euphonia
  Euphonia rufiventris (Vieillot, 1819) -- valid -- Rufous-bellied Euphonia
  Euphonia saturata (Cabanis, 1861) -- valid -- Orange-crowned Euphonia
  Euphonia trinitatis Strickland, 1851 -- valid -- Trinidad Euphonia
  Euphonia violacea (Linnaeus, 1758) -- valid -- Violaceous Euphonia
  Euphonia xanthogaster Sundevall, 1834 -- valid -- Orange-bellied Euphonia
  Euplectes Swainson, 1829 -- valid -- Bishops
  Euplectes afer (Gmelin, 1789) -- valid -- Yellow-crowned Bishop
  Euplectes albonotatus (Cassin, 1848) -- valid -- White-winged Widowbird
  Euplectes ardens (Boddaert, 1783) -- valid -- Red-collared Widowbird
  Euplectes aureus (Gmelin, 1789) -- valid -- Golden-backed Bishop
  Euplectes axillaris (A. Smith, 1838) -- valid -- Fan-tailed Widowbird
  Euplectes capensis (Linnaeus, 1766) -- valid -- Yellow Bishop
  Euplectes diadematus Fischer & Reichenow, 1878 -- valid -- Fire-fronted Bishop
  Euplectes franciscanus (Isert, 1789) -- valid -- Northern Red Bishop, Orange Bishop
  Euplectes gierowii Cabanis, 1880 -- valid -- Black Bishop
  Euplectes hartlaubi (Bocage, 1878) -- valid -- Marsh Widowbird
  Euplectes hordeaceus (Linnaeus, 1758) -- valid -- Black-winged Red Bishop
  Euplectes jacksoni (Sharpe, 1891) -- valid -- Jackson's Widowbird
  Euplectes macrourus (Gmelin, 1789) -- invalid
  Euplectes nigroventris Cassin, 1848 -- valid -- Zanzibar Red Bishop
  Euplectes orix (Linnaeus, 1758) -- valid -- Red Bishop, Southern Red Bishop
  Euplectes progne (Boddaert, 1783) -- valid -- Long-tailed Widowbird
  Euplectes psammocromius (Reichenow, 1900) -- invalid
  Eupodotis Lesson, 1839 -- valid
  Eupodotis afra (Linnaeus, 1758) -- invalid
  Eupodotis afraoides (A. Smith, 1831) -- invalid
  Eupodotis bengalensis (Gmelin, 1789) -- invalid
  Eupodotis caerulescens (Vieillot, 1820) -- valid -- Blue Korhaan
  Eupodotis gindiana Oustalet, 1881 -- invalid
  Eupodotis hartlaubii (Heuglin, 1863) -- invalid
  Eupodotis humilis (Blyth, 1856) -- valid -- Little Brown Bustard
  Eupodotis indica (J. F. Miller, 1782) -- invalid
  Eupodotis melanogaster (Ruppell, 1835) -- invalid
  Eupodotis rueppellii (Wahlberg, 1856) -- valid -- Rüppell's Korhaan
  Eupodotis ruficrista (A. Smith, 1836) -- invalid
  Eupodotis savilei (Lynes, 1920) -- invalid
  Eupodotis senegalensis (Vieillot, 1820) -- valid -- White-bellied Bustard
  Eupodotis vigorsii (A. Smith, 1831) -- valid -- Karoo Korhaan
  Euptilotis Gould, 1858 -- valid -- Eared Quetzal, Eared Trogons
  Euptilotis neoxenus (Gould, 1838) -- valid -- Quetzal oreillard, Eared Trogon, Eared Quetzal, Trogón orejón
  Eurocephalus A. Smith, 1836 -- valid
  Eurocephalus anguitimens A. Smith, 1836 -- valid -- Southern White-crowned Shrike
  Eurocephalus rueppelli Bonaparte, 1853 -- invalid
  Eurostopodidae -- invalid
  Eurostopodus Gould, 1838 -- valid
  Eurostopodus archboldi (Mayr & Rand, 1935) -- valid -- Cloud-forest Nightjar, Archbold's Nightjar
  Eurostopodus argus Hartert, 1892 -- valid -- Spotted Nightjar
  Eurostopodus diabolicus Stresemann, 1931 -- valid -- Satanic Nightjar
  Eurostopodus macrotis (Vigors, 1831) -- invalid -- Great Eared Nightjar
  Eurostopodus mystacalis (Temminck, 1826) -- valid -- White-throated Nightjar
  Eurostopodus papuensis (Schlegel, 1866) -- valid -- Papuan Nightjar
  Eurostopodus temminckii (Gould, 1838) -- invalid -- Malaysian Eared Nightjar
  Euryceros Lesson, 1831 -- valid
  Euryceros prevostii Lesson, 1831 -- valid -- Helmet Vanga
  Eurylaimidae -- valid
  Eurylaimus Horsfield, 1821 -- valid
  Eurylaimus javanicus Horsfield, 1821 -- valid -- Banded Broadbill
  Eurylaimus ochromalus Raffles, 1822 -- valid -- Black-and-yellow Broadbill
  Eurylaimus steerii Sharpe, 1876 -- invalid
  Eurynorhynchus Nilsson, 1821 -- invalid -- Spoonbill Sandpipers
  Eurynorhynchus pygmeus (Linnaeus, 1758) -- invalid -- Spoonbill Sandpiper, Spoon-billed Sandpiper, Bécasseau spatule
  Euryptila Sharpe, 1883 -- valid
  Euryptila subcinnamomea (A. Smith, 1847) -- valid -- Cinnamon-breasted Warbler
  Eurypyga Illiger, 1811 -- valid
  Eurypyga helias (Pallas, 1781) -- valid -- Ave sol, Sunbittern
  Eurypygidae -- valid -- Sunbittern
  Eurystomus Vieillot, 1816 -- valid -- Rollers
  Eurystomus azureus G. R. Gray, 1861 -- valid -- Purple Roller, Azure Dollarbird, Carraca moluqueña, Rolle azuré, Azure Roller
  Eurystomus glaucurus (P. L. S. Müller, 1776) -- valid -- Broad-billed Roller, peito-lilás, Carraca picogorda, Rolle violet
  Eurystomus gularis Vieillot, 1819 -- valid -- Blue-throated Roller, rolieiro-de-garganta-azul, Carraca gorjiazul, Rolle à gorge bleue
  Eurystomus orientalis (Linnaeus, 1766) -- valid -- Carraca oriental, Rolle oriental, Dollar Roller, Dollarbird, Dollar Bird, Oriental Dollarbird
  Euscarthmus Wied-Neuwied, 1831 -- valid
  Euscarthmus meloryphus Wied-Neuwied, 1831 -- valid -- Tawny-crowned Pygmy Tyrant
  Euscarthmus rufomarginatus (Pelzeln, 1868) -- valid -- Rufous-sided Pygmy Tyrant
  Euschistospiza Wolters, 1943 -- valid
  Euschistospiza cinereovinacea (Sousa, 1889) -- valid -- Dusky Twinspot
  Euschistospiza dybowskii (Oustalet, 1892) -- valid -- Dybowski's Twinspot
  Euthlypis Cabanis, 1850 -- invalid -- Fan-tailed Warblers
  Euthlypis lachrymosa (Bonaparte, 1850) -- invalid -- Fan-tailed Warbler, Chipe de roca
  Eutoxeres Reichenbach, 1849 -- valid
  Eutoxeres aquila (Bourcier, 1847) -- valid -- White-tipped Sicklebill
  Eutoxeres condamini (Bourcier, 1851) -- valid -- Buff-tailed Sicklebill
  Eutrichomyias Meise, 1939 -- valid
  Eutrichomyias rowleyi (A. B. Meyer, 1878) -- valid -- Cerulean Paradise Flycatcher
  Eutriorchis Sharpe, 1875 -- valid
  Eutriorchis astur Sharpe, 1875 -- valid -- Madagascar Serpent Eagle
  Euxenura Ridgway, 1878 -- invalid
  Falcipennis D. G. Elliot, 1864 -- valid -- Siberian Grouse
  Falcipennis canadensis (Linnaeus, 1758) -- invalid -- Gallo canadiense, tetraz-dos-abetos, Spruce Grouse, tétras du Canada
  Falcipennis falcipennis (Hartlaub, 1855) -- valid -- Tétras de Sibérie, Gallo siberiano, tetraz-siberiano, Siberian Grouse
  Falco Linnaeus, 1758 -- valid -- Falcons
  Falco alopex (Heuglin, 1861) -- valid -- Lesser Kestrel, Fox Kestrel, Crécerelle renard, Cernícalo zorruno, francelho-vulpino
  Falco amurensis Radde, 1863 -- valid -- Amur Falcon, Faucon de l'Amour, Cernícalo del Amur, falcão-do-amur
  Falco araea (Oberholser, 1917) -- invalid -- Seychelles Kestrel
  Falco ardosiaceus Vieillot, 1823 -- valid -- Grey Kestrel, Faucon ardoisé, Cernícalo pizarroso, francelho-cinzento, Gray Kestrel
  Falco berigora Vigors & Horsfield, 1827 -- valid -- Brown Falcon, Faucon bérigora, Halcón berigora, falcão-marrom
  Falco biarmicus Temminck, 1825 -- valid -- Lanner Falcon, Faucon lanier, Halcón borní, alfaneque
  Falco cenchroides Vigors & Horsfield, 1827 -- valid -- Australian Falcon, Nankeen Kestrel, Crécerelle d'Australie, Cernícalo australiano, francelho-de-barba-cinzenta
  Falco cherrug J. E. Gray, 1834 -- valid -- Saker Falcon, Faucon sacre, Halcón sacre, sacre
  Falco chicquera Daudin, 1800 -- valid -- Red-necked Falcon, Faucon chicquera, Alcotán turumti, falcão-de-nuca-vermelha, Red-headed Falcon
  Falco columbarius Linnaeus, 1758 -- valid -- Merlin, Halcón esmerejón, Faucon émerillon, Esmerejón, esmerilhão
  Falco concolor Temminck, 1825 -- valid -- Sooty Falcon, Faucon concolore, Halcón pizarroso, falcão-sombrio
  Falco cuvierii A. Smith, 1830 -- valid -- African Hobby, Faucon de Cuvier, Alcotán africano, ógea-africana
  Falco deiroleucus Temminck, 1825 -- valid -- Orange-breasted Falcon, Halcón pecho rufo, Faucon orangé, Halcón pechirrojo, falcão-de-peito-laranja
  Falco dickinsoni P. L. Sclater, 1864 -- valid -- Dickinson's Kestrel, Faucon de Dickinson, Cernícalo dorsinegro, falcão-de-dickinson
  Falco eleonorae Géné, 1839 -- valid -- Eleonora's Falcon, Faucon d'Éléonore, Halcón de Eleonora, falcão-da-rainha
  Falco fasciinucha Reichenow & Neumann, 1895 -- valid -- Taita Falcon, Faucon taita, Halcón taita, falcão-de-taita
  Falco femoralis Temminck, 1822 -- valid -- Aplomado Falcon, Halcón fajado, Faucon aplomado, Halcón aleto, falcão-de-coleira
  Falco hypoleucos Gould, 1841 -- valid -- Grey Falcon, Faucon gris, Halcón gris, falcão-cinzento, Gray Falcon
  Falco jugger J. E. Gray, 1834 -- valid -- Laggar Falcon, Faucon laggar, Halcón yággar, falcão-lágar
  Falco longipennis Swainson, 1838 -- valid -- Australian Hobby, Petit Faucon, Alcotán australiano, ógea-australiana
  Falco mexicanus Schlegel, 1850 -- valid -- Prairie Falcon, Halcón mexicano, Faucon des prairies, falcão-das-pradarias
  Falco moluccensis (Bonaparte, 1850) -- valid -- Spotted Kestrel, Crécerelle des Moluques, Cernícalo moluqueño, francelho-pintado
  Falco naumanni J. G. Fleischer, 1818 -- valid -- Lesser Kestrel, Faucon crécerellette, Cernícalo primilla, francelho
  Falco newtoni (Gurney Sr, 1863) -- valid -- Madagascan Kestrel, Malagasy Kestrel, Madagascar Kestrel, Crécerelle malgache, Cernícalo de Aldabra, francelho-malgaxe
  Falco novaeseelandiae J. F. Gmelin, 1788 -- valid -- New Zealand Falcon, Faucon de Nouvelle-Zélande, Halcón maorí, falcão-neozelandês
  Falco pelegrinoides Temminck, 1829 -- invalid -- Barbary Falcon
  Falco peregrinus Tunstall, 1771 -- valid -- Peregrine Falcon, Halcón peregrino, Faucon pèlerin, falcão-peregrino
  Falco punctatus Temminck, 1821 -- valid -- Mauritius Kestrel, Crécerelle de Maurice, Cernícalo de la Mauricio, francelho-das-maurício
  Falco rufigularis Daudin, 1800 -- valid -- Bat Falcon, Halcón enano, Faucon des chauves-souris, Halcón murcielaguero, cauré
  Falco rupicoloides A. Smith, 1829 -- valid -- Greater Kestrel, Crécerelle aux yeux blancs, Cernícalo ojiblanco, peneireiro-grande
  Falco rusticolus Linnaeus, 1758 -- valid -- Gyrfalcon, Faucon gerfaut, Halcón gerifalte, gerifalte
  Falco severus Horsfield, 1821 -- valid -- Oriental Hobby, Faucon aldrovandin, Alcotán filipino, ógea-oriental
  Falco sparverius Linnaeus, 1758 -- valid -- American Kestrel, Cernícalo americano, Crécerelle d'Amérique, quiriquiri, peneireiro-americano
  Falco subbuteo Linnaeus, 1758 -- valid -- Northern Hobby, Eurasian Hobby, Faucon hobereau, Alcotán europeo, ógea
  Falco subniger G. R. Gray, 1843 -- valid -- Black Falcon, Faucon noir, Halcón negro, falcão-preto
  Falco tinnunculus Linnaeus, 1758 -- valid -- Eurasian Kestrel, Common Kestrel, Faucon crécerelle, Cernícalo vulgar, peneireiro-de-dorso-malhado, peneireiro
  Falco vespertinus Linnaeus, 1766 -- valid -- Red-footed Falcon, Faucon kobez, Cernícalo patirrojo, falcão-verpertino
  Falco zoniventris W. Peters, 1854 -- valid -- Banded Kestrel, Faucon à ventre rayé, Cernícalo malgache, francelho-listrado
  Falconidae Leach, 1820 -- valid -- Caracaras, Falcons
  Falculea I. Geoffroy Saint-Hilaire, 1836 -- valid
  Falculea palliata I. Geoffroy Saint-Hilaire, 1836 -- valid -- Sickle-billed Vanga
  Falcunculus Vieillot, 1816 -- valid
  Falcunculus frontatus (Latham, 1802) -- valid -- Crested Shriketit
  Ferminia Barbour, 1926 -- valid
  Ferminia cerverai Barbour, 1926 -- valid -- Zapata Wren
  Ficedula Brisson, 1760 -- valid
  Ficedula albicollis (Temminck, 1815) -- valid -- Collared Flycatcher
  Ficedula basilanica (Sharpe, 1877) -- valid -- Little Slaty Flycatcher
  Ficedula bonthaina (Hartert, 1896) -- valid -- Lompobattang Flycatcher
  Ficedula buruensis (Hartert, 1899) -- valid -- Cinnamon-chested Flycatcher
  Ficedula crypta (Vaurie, 1951) -- valid -- Cryptic Flycatcher
  Ficedula dumetoria (Wallace, 1864) -- valid -- Rufous-chested Flycatcher
  Ficedula harterti (Siebers, 1928) -- valid -- Sumba Flycatcher
  Ficedula henrici (Hartert, 1899) -- valid -- Damar Flycatcher
  Ficedula hodgsonii (Verreaux, 1870) -- valid -- Slaty-backed Flycatcher
  Ficedula hyperythra (Blyth, 1843) -- valid -- Snowy-browed Flycatcher
  Ficedula hypoleuca (Pallas, 1764) -- valid -- European Pied Flycatcher
  Ficedula monileger (Hodgson, 1845) -- invalid -- White-gorgeted Flycatcher
  Ficedula mugimaki (Temminck, 1836) -- valid -- Mugimaki Flycatcher
  Ficedula narcissina (Temminck, 1836) -- valid -- Narcissus Flycatcher
  Ficedula nigrorufa (Jerdon, 1839) -- valid -- Black-and-orange Flycatcher
  Ficedula parva (Bechstein, 1792) -- valid -- Red-breasted Flycatcher
  Ficedula platenae (W. Blasius, 1888) -- valid -- Palawan Flycatcher
  Ficedula rufigula (Wallace, 1865) -- valid -- Rufous-throated Flycatcher
  Ficedula sapphira (Blyth, 1843) -- valid -- Sapphire Flycatcher
  Ficedula semitorquata (Homeyer, 1885) -- valid -- Semicollared Flycatcher
  Ficedula solitaris (S. Muller, 1836) -- invalid -- Rufous-browed Flycatcher
  Ficedula strophiata (Hodgson, 1837) -- valid -- Rufous-gorgeted Flycatcher
  Ficedula subrubra (Hartert & F. Steinbacher, 1934) -- valid -- Kashmir Flycatcher
  Ficedula superciliaris (Jerdon, 1840) -- valid -- Ultramarine Flycatcher
  Ficedula timorensis (Hellmayr, 1919) -- valid -- Black-banded Flycatcher
  Ficedula tricolor (Hodgson, 1845) -- valid -- Slaty-blue Flycatcher
  Ficedula westermanni (Sharpe, 1888) -- valid -- Little Pied Flycatcher
  Ficedula zanthopygia (Hay, 1845) -- valid -- Yellow-rumped Flycatcher
  Florisuga Bonaparte, 1850 -- valid
  Florisuga mellivora (Linnaeus, 1758) -- valid -- Colibrí nuca blanca, White-necked Jacobin
  Fluvicola Swainson, 1827 -- valid
  Fluvicola albiventer (Spix, 1825) -- invalid
  Fluvicola nengeta (Linnaeus, 1766) -- valid -- Masked Water Tyrant
  Fluvicola pica (Boddaert, 1783) -- valid -- Pied Water-Tyrant, Pied Water Tyrant
  Formicariidae G. R. Gray, 1840 -- valid
  Formicarius Boddaert, 1783 -- valid
  Formicarius analis (Orbigny & Lafresnaye, 1837) -- valid -- Hormiguero-cholino cara negra, Black-faced Antthrush
  Formicarius colma Boddaert, 1783 -- valid -- Rufous-capped Antthrush
  Formicarius nigricapillus Ridgway, 1893 -- valid -- Black-headed Antthrush
  Formicarius rufifrons Blake, 1957 -- valid -- Rufous-fronted Antthrush
  Formicarius rufipectus Salvin, 1866 -- valid -- Rufous-breasted Antthrush
  Formicivora Swainson, 1824 -- valid
  Formicivora erythronotos Hartlaub, 1852 -- valid -- Black-hooded Antwren
  Formicivora grisea (Boddaert, 1783) -- valid -- White-fringed Antwren, Southern White-fringed Antwren
  Formicivora iheringi Hellmayr, 1909 -- valid -- Narrow-billed Antwren
  Formicivora melanogaster Pelzeln, 1868 -- valid -- Black-bellied Antwren
  Formicivora rufa (Wied-Neuwied, 1831) -- valid -- Rusty-backed Antwren
  Formicivora serrana (Hellmayr, 1929) -- valid -- Serra Antwren
  Forpus F. Boie, 1858 -- valid
  Forpus coelestis (R. Lesson, 1847) -- valid -- Pacific Parrotlet, Toui céleste, Cotorrita de Piura, tuim-peruano
  Forpus conspicillatus (Lafresnaye, 1848) -- valid -- Spectacled Parrotlet, Toui à lunettes, Cotorrita de anteojos, tuim-da-colômbia
  Forpus cyanopygius (Souancé, 1856) -- valid -- Mexican Parrotlet, Perico catarina, Toui du Mexique, Cotorrita mexicana, tuim-mexicano
  Forpus passerinus (Linnaeus, 1758) -- valid -- Green-rumped Parrotlet, Toui été, Cotorrita culiverde, tuim-santo
  Forpus sclateri (G. R. Gray, 1859) -- invalid -- Dusky-billed Parrotlet
  Forpus xanthops (Salvin, 1895) -- valid -- Yellow-faced Parrotlet, Toui à tête jaune, Cotorrita carigualda, tuim-de-cabeça-amarela
  Forpus xanthopterygius (von Spix, 1824) -- valid -- Blue-winged Parrotlet, Cobalt-rumped Parrotlet, Toui de Spix, Cotorrita aliazul, tuim
  Foudia Reichenbach, 1850 -- valid
  Foudia eminentissima Bonaparte, 1850 -- valid -- Comoros Fody
  Foudia flavicans A. Newton, 1865 -- valid -- Rodrigues Fody
  Foudia madagascariensis (Linnaeus, 1766) -- valid -- Red Fody
  Foudia omissa Rothschild, 1912 -- valid -- Forest Fody
  Foudia rubra (Gmelin, 1789) -- valid -- Mauritius Fody
  Foudia sechellarum E. Newton, 1867 -- valid -- Seychelles Fody
  Foulehaio Reichenbach, 1852 -- valid -- Wattled Honeyeaters
  Foulehaio carunculata (J. F. Gmelin, 1788) -- invalid -- Wattled Honeyeater
  Francolinus Stephens, 1819 -- valid -- Francolins
  Francolinus francolinus (Linnaeus, 1766) -- valid -- Francolin noir, Francolín ventrinegro, francolim-escuro, Black Francolin
  Francolinus gularis (Temminck, 1815) -- invalid -- Francolin multiraie, Francolín palustre, francolim-do-pântano, Swamp Francolin
  Francolinus pictus (Jardine & Selby, 1828) -- valid -- Francolin peint, Francolín pintojo, francolim-colorido, Painted Francolin
  Francolinus pintadeanus (Scopoli, 1786) -- valid -- Francolin perlé, Francolín chino, francolim-perlado, Chinese Francolin
  Francolinus pondicerianus (J. F. Gmelin, 1789) -- invalid -- Francolin gris, Francolín gris, francolim-cinzento, Gray Francolin, Grey Francolin
  Fraseria Bonaparte, 1854 -- valid
  Fraseria cinerascens Hartlaub, 1857 -- valid -- White-browed Forest Flycatcher
  Fraseria ocreata (Strickland, 1844) -- valid -- Fraser's Forest Flycatcher
  Fratercula Brisson, 1760 -- valid -- Puffins
  Fratercula arctica (Linnaeus, 1758) -- valid -- Atlantic Puffin, Macareux moine, Frailecillo atlántico, papagaio-do-mar
  Fratercula cirrhata (Pallas, 1769) -- valid -- Tufted Puffin, Macareux huppé, Frailecillo coletudo, papagaio-do-mar-de-penachos
  Fratercula corniculata (J. F. Naumann, 1821) -- valid -- Horned Puffin, Macareux cornu, Frailecillo corniculado, papagaio-do-mar-de-chifres
  Frederickena Chubb, 1918 -- valid
  Frederickena unduligera (Pelzeln, 1868) -- invalid -- Undulated Antshrike
  Frederickena viridis (Vieillot, 1816) -- valid -- Black-throated Antshrike
  Fregata Lacepede, 1799 -- valid -- Frigatebirds
  Fregata andrewsi Mathews, 1914 -- valid -- Andrew's Frigatebird, Christmas Frigatebird
  Fregata aquila (Linnaeus, 1758) -- valid -- Ascension Frigatebird
  Fregata ariel (G. R. Gray, 1845) -- valid -- Lesser Frigatebird, Frégate ariel
  Fregata magnificens Mathews, 1914 -- valid -- Fragata magnífica, Magnificent Frigatebird, Frégate superbe
  Fregata minor (Gmelin, 1789) -- valid -- Fragata pelágica, Great Frigatebird, Frégate du Pacifique
  Fregatidae Degland & Gerbe, 1867 -- valid -- Frigatebirds
  Fregetta Bonaparte, 1855 -- valid
  Fregetta grallaria (Vieillot, 1818) -- valid -- White-bellied Storm Petrel
  Fregetta tropica (Gould, 1844) -- valid -- Black-bellied Storm Petrel, Océanite à ventre noir, Black-bellied Storm-Petrel
  Fregilupus Lesson, 1830 -- valid
  Fregilupus varius (Boddaert, 1783) -- valid -- Hoopoe Starling
  Fringilla Linnaeus, 1758 -- valid -- Bramblings, Chaffinches
  Fringilla coelebs Linnaeus, 1758 -- valid -- Common Chaffinch
  Fringilla montifringilla Linnaeus, 1758 -- valid -- Brambling
  Fringilla teydea Webb, Berthelot & Moquin-Tandon, 1836 -- valid -- Blue Chaffinch
  Fringillidae Leach, 1820 -- valid -- gros-becs, moineaux, roselins, Old World Finches, Finches, Hawaiian Honeycreepers
  Fulica Linnaeus, 1758 -- valid -- Coots
  Fulica alai Peale, 1848 -- valid -- Alae Keo Keo, Hawaiian Coot
  Fulica americana Gmelin, 1789 -- valid -- Gallareta americana, American Coot, foulque d'Amérique
  Fulica ardesiaca Tschudi, 1843 -- valid -- Andean Coot
  Fulica armillata Vieillot, 1817 -- valid -- Red-gartered Coot
  Fulica atra Linnaeus, 1758 -- valid -- Eurasian Coot
  Fulica caribaea Ridgway, 1884 -- valid -- Caribbean Coot
  Fulica cornuta Bonaparte, 1853 -- valid -- Horned Coot
  Fulica cristata Gmelin, 1789 -- valid -- Red-knobbed Coot
  Fulica gigantea Eydoux & Souleyet, 1841 -- valid -- Giant Coot
  Fulica leucoptera Vieillot, 1817 -- valid -- White-winged Coot
  Fulica rufifrons Philippi & Landbeck, 1861 -- valid -- Red-fronted Coot
  Fulmarus Stephens, 1826 -- valid
  Fulmarus glacialis (Linnaeus, 1761) -- valid -- Fulmar norteño, Northern Fulmar, Fulmar boréal
  Fulmarus glacialoides (A. Smith, 1840) -- valid -- Southern Fulmar
  Furnariidae -- valid
  Furnarius Vieillot, 1816 -- valid
  Furnarius cristatus Burmeister, 1888 -- valid -- Crested Hornero
  Furnarius figulus (Lichtenstein, 1823) -- valid -- Band-tailed Hornero
  Furnarius leucopus Swainson, 1838 -- valid -- Pale-legged Hornero
  Furnarius minor Pelzeln, 1858 -- valid -- Lesser Hornero
  Furnarius rufus (Gmelin, 1788) -- valid -- Rufous Hornero
  Furnarius torridus P. L. Sclater & Salvin, 1866 -- valid -- Bay Hornero
  Galbalcyrhynchus Des Murs, 1845 -- valid
  Galbalcyrhynchus leucotis Des Murs, 1845 -- valid -- White-eared Jacamar
  Galbalcyrhynchus purusianus Goeldi, 1904 -- valid -- Purus Jacamar
  Galbula Brisson, 1760 -- valid
  Galbula albirostris Latham, 1790 -- valid -- Yellow-billed Jacamar
  Galbula chalcothorax P. L. Sclater, 1855 -- valid -- Purplish Jacamar
  Galbula cyanescens Deville, 1849 -- valid -- Bluish-fronted Jacamar
  Galbula cyanicollis Cassin, 1851 -- valid -- Blue-cheeked Jacamar, Blue-necked Jacamar
  Galbula dea (Linnaeus, 1758) -- valid -- Paradise Jacamar
  Galbula galbula (Linnaeus, 1766) -- valid -- Green-tailed Jacamar
  Galbula leucogastra Vieillot, 1817 -- valid -- Bronzy Jacamar
  Galbula pastazae Taczanowski & von Berlepsch, 1885 -- valid -- Coppery-chested Jacamar
  Galbula ruficauda Cuvier, 1816 -- valid -- Rufous-tailed Jacamar, Jacamar cola rufa
  Galbula tombacea von Spix, 1824 -- valid -- White-chinned Jacamar
  Galbulidae -- valid -- Jacamars
  Galbuliformes -- invalid
  Galerida F. Boie, 1828 -- valid
  Galerida cristata (Linnaeus, 1758) -- valid -- Crested Lark
  Galerida deva (Sykes, 1832) -- valid -- Sykes's Lark
  Galerida magnirostris (Stephens, 1826) -- valid -- Large-billed Lark
  Galerida malabarica (Scopoli, 1786) -- valid -- Malabar Lark
  Galerida modesta Heuglin, 1864 -- valid -- Sun Lark
  Galerida theklae A. E. Brehm, 1857 -- valid -- Thekla Lark
  Gallicolumba Heck, 1849 -- valid -- Island Ground-Doves
  Gallicolumba beccarii (Salvadori, 1876) -- invalid -- Bronze Ground Dove
  Gallicolumba canifrons (Hartlaub & Finsch, 1872) -- invalid -- Palau Ground-Dove, Palau Ground Dove
  Gallicolumba criniger (Pucheran, 1854) -- invalid
  Gallicolumba erythroptera (J. F. Gmelin, 1789) -- invalid -- Polynesian Ground Dove
  Gallicolumba ferruginea (J. R. Forster, 1844) -- invalid
  Gallicolumba hoedtii (Schlegel, 1871) -- invalid -- Wetar Ground Dove
  Gallicolumba jobiensis (A. B. Meyer, 1875) -- invalid -- Purple Ground Dove
  Gallicolumba keayi (W. E. Clarke, 1900) -- valid -- Negros Bleeding-heart
  Gallicolumba kubaryi (Finsch, 1880) -- invalid -- Truk Island Ground-Dove, White-fronted Ground Dove
  Gallicolumba luzonica (Scopoli, 1786) -- valid -- Luzon Bleeding-heart
  Gallicolumba menagei (Bourns & Worcester, 1894) -- valid -- Sulu Bleeding-heart
  Gallicolumba platenae (Salvadori, 1893) -- valid -- Mindoro Bleeding-heart
  Gallicolumba rubescens (Vieillot, 1818) -- invalid -- Marquesan Ground Dove
  Gallicolumba rufigula (Pucheran, 1853) -- valid -- Cinnamon Ground Dove
  Gallicolumba salamonis (E. P. Ramsay, 1882) -- invalid -- Thick-billed Ground Dove
  Gallicolumba sanctaecrucis Mayr, 1935 -- invalid -- Santa Cruz Ground Dove
  Gallicolumba stairi (G. R. Gray, 1856) -- invalid -- Friendly Ground-Dove, Tongan Ground Dove
  Gallicolumba tristigmata (Bonaparte, 1855) -- valid -- Sulawesi Ground Dove
  Gallicolumba xanthonura (Temminck, 1823) -- invalid -- White-throated Ground-Dove, White-throated Ground Dove
  Gallicrex Blyth, 1852 -- valid
  Gallicrex cinerea (Gmelin, 1789) -- valid -- Watercock
  Galliformes -- valid -- Fowls, Gallinaceous Birds, gallinacées, volaille
  Gallinago Brisson, 1760 -- valid -- Snipes
  Gallinago andina Taczanowski, 1875 -- valid -- Puna Snipe, Bécassine de la puna, Agachadiza de la puna, narcejao-o-galinhola
  Gallinago gallinago (Linnaeus, 1758) -- valid -- Agachona común, Common Snipe, Bécassine des marais, Agachadiza común, narceja-comum
  Gallinago hardwickii (J. E. Gray, 1831) -- valid -- Latham's Snipe, Japanese Snipe, Bécassine du Japon, Agachadiza japonesa, narceja-grande
  Gallinago imperialis P. L. Sclater & Salvin, 1869 -- valid -- Imperial Snipe, Bécassine impériale, Agachadiza imperial, narceja-imperial
  Gallinago jamesoni (Jardine & Bonaparte, 1855) -- valid -- Andean Snipe, Jameson's Snipe, Bécassine des paramos, Agachadiza andina, narceja-andina
  Gallinago macrodactyla Bonaparte, 1839 -- valid -- Madagascar Snipe, Bécassine malgache, Agachadiza malgache, narceja-malgaxe
  Gallinago media (Latham, 1787) -- valid -- Great Snipe, Bécassine double, Agachadiza real, narceja-real
  Gallinago megala Swinhoe, 1861 -- valid -- Swinhoe's Snipe, Bécassine de Swinhoe, Agachadiza del Baikal, narceja-de-swinhoe
  Gallinago nemoricola Hodgson, 1836 -- valid -- Wood Snipe, Bécassine des bois, Agachadiza del Himalaya, narceja-do-bosque
  Gallinago nigripennis Bonaparte, 1839 -- valid -- African Snipe, Bécassine africaine, Agachadiza africana, narceja-africana
  Gallinago nobilis P. L. Sclater, 1856 -- valid -- Noble Snipe, Bécassine noble, Agachadiza noble, narceja-nobre
  Gallinago paraguaiae (Vieillot, 1816) -- valid -- South American Snipe, Bécassine du Paraguay, Agachadiza paraguaya, narceja, batuíra, Paraguayan Snipe, Pantanal Snipe
  Gallinago solitaria Hodgson, 1831 -- valid -- Solitary Snipe, Bécassine solitaire, Agachadiza solitaria, narceja-solitária
  Gallinago stenura (Bonaparte, 1831) -- valid -- Pin-tailed Snipe, Bécassine à queue pointue, Agachadiza colirrara, narceja-siberiana, Pintail Snipe
  Gallinago stricklandii (G. R. Gray, 1845) -- valid -- Fuegian Snipe, Bécassine de Strickland, Agachadiza fueguina, narceja-fueguina
  Gallinago undulata (Boddaert, 1783) -- valid -- Giant Snipe, Bécassine géante, Agachadiza gigante, narcejão
  Gallinula Brisson, 1760 -- valid -- Moorhens
  Gallinula angulata Sundevall, 1850 -- valid -- Lesser Moorhen
  Gallinula chloropus (Linnaeus, 1758) -- valid -- Gallineta frente roja, Common Moorhen, gallinule poule-d'eau
  Gallinula melanops (Vieillot, 1819) -- valid -- Spot-flanked Gallinule
  Gallinula mortierii (Du Bus de Gisignies, 1840) -- valid -- Tasmanian Nativehen
  Gallinula nesiotis P. L. Sclater, 1861 -- valid -- Tristan Gallinule
  Gallinula pacifica (Hartlaub & Finsch, 1871) -- valid
  Gallinula silvestris (Mayr, 1933) -- valid -- Makira Woodhen
  Gallinula tenebrosa Gould, 1846 -- valid -- Dusky Moorhen
  Gallinula ventralis Gould, 1837 -- valid -- Black-tailed Nativehen
  Gallirallus Lafresnaye, 1841 -- valid
  Gallirallus australis (Sparrman, 1786) -- valid -- Weka
  Gallirallus conditicius (Peters & Griscom, 1928) -- invalid
  Gallirallus dieffenbachii (G. R. Gray, 1843) -- valid
  Gallirallus insignis (P. L. Sclater, 1880) -- valid -- Pink-legged Rail
  Gallirallus lafresnayanus J. Verreaux & Des Murs, 1860 -- valid -- New Caledonian Rail
  Gallirallus modestus (Hutton, 1872) -- valid
  Gallirallus okinawae (Yamashina & Mano, 1981) -- valid -- Okinawa Rail
  Gallirallus owstoni (Rothschild, 1895) -- valid -- Guam Rail
  Gallirallus pacificus (Gmelin, 1789) -- valid
  Gallirallus philippensis (Linnaeus, 1766) -- valid -- Banded Rail, Buff-banded Rail
  Gallirallus rovianae Diamond, 1991 -- valid -- Roviana Rail
  Gallirallus sharpei (Buttikofer, 1893) -- valid
  Gallirallus striatus (Linnaeus, 1766) -- valid -- Slaty-breasted Rail
  Gallirallus sylvestris (P. L. Sclater, 1870) -- valid -- Lord Howe Wood Rail, Lord Howe Woodhen
  Gallirallus torquatus (Linnaeus, 1766) -- valid -- Barred Rail
  Gallirallus wakensis (Rothschild, 1903) -- valid -- Wake Rail
  Galloperdix Blyth, 1845 -- valid -- Spurfowl
  Galloperdix bicalcarata (J. R. Forster, 1781) -- valid -- Galloperdrix de Ceylan, Faisancillo de Ceilán, perdiz-cingalesa, Ceylon Spurfowl, Sri Lanka Spurfowl
  Galloperdix lunulata (Valenciennes, 1825) -- valid -- Galloperdrix lunulée, Faisancillo moteado, perdiz-colorida, Painted Spurfowl
  Galloperdix spadicea (J. F. Gmelin, 1789) -- valid -- Galloperdrix rouge, Faisancillo rojo, perdiz-vermelha, Red Spurfowl
  Gallus Brisson, 1760 -- valid -- Junglefowl
  Gallus gallus (Linnaeus, 1758) -- valid -- Coq bankiva, Gallo bankiva, galo-vermelho, Red Junglefowl
  Gallus lafayetii R. Lesson, 1831 -- invalid -- Ceylon Junglefowl, Sri Lanka Junglefowl
  Gallus sonneratii Temminck, 1813 -- valid -- Coq de Sonnerat, Gallo gris, galo-cinzento, Gray Junglefowl, Grey Junglefowl
  Gallus varius (Shaw, 1798) -- valid -- Coq de Java, Gallo de Java, galo-verde, Green Junglefowl
  Gampsonyx Vigors, 1825 -- valid
  Gampsonyx swainsonii Vigors, 1825 -- valid -- Pearl Kite, Élanion perle
  Gampsorhynchus Blyth, 1844 -- valid
  Gampsorhynchus rufulus Blyth, 1844 -- valid -- White-hooded Babbler
  Garrodia W. A. Forbes, 1881 -- valid
  Garrodia nereis (Gould, 1841) -- valid -- Grey-backed Storm Petrel
  Garrulax Lesson, 1831 -- valid -- Laughing Thrushes
  Garrulax affinis Blyth, 1843 -- invalid -- Black-faced Laughingthrush
  Garrulax albogularis (Gould, 1836) -- valid -- White-throated Laughingthrush
  Garrulax austeni (Godwin-Austen, 1870) -- invalid -- Brown-capped Laughingthrush
  Garrulax bieti (Oustalet, 1897) -- valid -- White-speckled Laughingthrush
  Garrulax cachinnans (Jerdon, 1839) -- invalid -- Nilgiri Laughingthrush
  Garrulax caerulatus (Hodgson, 1836) -- valid -- Grey-sided Laughingthrush
  Garrulax calvus (Sharpe, 1888) -- valid
  Garrulax canorus (Linnaeus, 1758) -- valid -- Melodious Laughing Thrush, Hwamei
  Garrulax chinensis (Scopoli, 1786) -- valid -- Black-throated Laughingthrush
  Garrulax cineraceus (Godwin-Austen, 1874) -- valid -- Moustached Laughingthrush
  Garrulax cinereifrons Blyth, 1851 -- valid -- Ashy-headed Laughingthrush
  Garrulax davidi (Swinhoe, 1868) -- valid -- Plain Laughingthrush
  Garrulax delesserti (Jerdon, 1839) -- valid -- Wynaad Laughingthrush
  Garrulax elliotii (J. Verreaux, 1870) -- invalid -- Elliot's Laughingthrush
  Garrulax erythrocephalus (Vigors, 1832) -- invalid -- Chestnut-crowned Laughingthrush
  Garrulax formosus (J. Verreaux, 1869) -- invalid -- Red-winged Laughingthrush
  Garrulax galbanus Godwin-Austen, 1874 -- valid -- Yellow-throated Laughingthrush
  Garrulax gularis (McClelland, 1840) -- valid -- Rufous-vented Laughingthrush
  Garrulax henrici (Oustalet, 1892) -- invalid -- Brown-cheeked Laughingthrush
  Garrulax jerdoni Blyth, 1851 -- invalid -- Grey-breasted Laughingthrush
  Garrulax leucolophus (Hardwicke, 1816) -- valid -- White-crested Laughingthrush
  Garrulax lineatus (Vigors, 1831) -- invalid -- Streaked Laughingthrush
  Garrulax lugubris (S. Muller, 1836) -- valid -- Black Laughingthrush
  Garrulax lunulatus (J. Verreaux, 1870) -- valid -- Barred Laughingthrush
  Garrulax maesi (Oustalet, 1890) -- valid -- Grey Laughingthrush
  Garrulax maximus (J. Verreaux, 1870) -- valid -- Giant Laughingthrush
  Garrulax merulinus Blyth, 1851 -- valid -- Spot-breasted Laughingthrush
  Garrulax milleti Robinson & Kloss, 1919 -- valid -- Black-hooded Laughingthrush
  Garrulax milnei (David, 1874) -- invalid -- Red-tailed Laughingthrush
  Garrulax mitratus (S. Muller, 1836) -- valid -- Chestnut-capped Laughingthrush
  Garrulax monileger (Hodgson, 1836) -- valid -- Lesser Necklaced Laughingthrush
  Garrulax morrisonianus (Ogilvie-Grant, 1906) -- invalid -- White-whiskered Laughingthrush
  Garrulax nuchalis Godwin-Austen, 1876 -- valid -- Chestnut-backed Laughingthrush
  Garrulax ocellatus (Vigors, 1831) -- valid -- Spotted Laughingthrush
  Garrulax palliatus (Bonaparte, 1850) -- valid -- Sunda Laughingthrush
  Garrulax pectoralis (Gould, 1836) -- valid -- Greater Necklaced Laughing Thrush, Greater Necklaced Laughingthrush
  Garrulax perspicillatus (Gmelin, 1789) -- valid -- Masked Laughingthrush
  Garrulax poecilorhynchus Gould, 1863 -- valid -- Rusty Laughingthrush
  Garrulax ruficollis (Jardine & Selby, 1838) -- valid -- Rufous-necked Laughingthrush
  Garrulax rufifrons Lesson, 1831 -- valid -- Rufous-fronted Laughingthrush
  Garrulax rufogularis (Gould, 1835) -- valid -- Rufous-chinned Laughingthrush
  Garrulax sannio Swinhoe, 1867 -- valid -- White-browed Laughingthrush
  Garrulax squamatus (Gould, 1835) -- invalid -- Blue-winged Laughingthrush
  Garrulax strepitans Blyth, 1855 -- valid -- White-necked Laughingthrush
  Garrulax striatus (Vigors, 1831) -- valid -- Striated Laughingthrush
  Garrulax subunicolor (Blyth, 1843) -- invalid -- Scaly Laughingthrush
  Garrulax sukatschewi (Berezowski & Bianchi, 1891) -- valid -- Snowy-cheeked Laughingthrush
  Garrulax variegatus (Vigors, 1831) -- invalid -- Variegated Laughingthrush
  Garrulax vassali (Ogilvie-Grant, 1906) -- valid -- White-cheeked Laughingthrush
  Garrulax virgatus (Godwin-Austen, 1874) -- invalid -- Striped Laughingthrush
  Garrulax yersini (Robinson & Kloss, 1919) -- invalid -- Collared Laughingthrush
  Garrulus Brisson, 1760 -- valid
  Garrulus glandarius (Linnaeus, 1758) -- valid -- Eurasian Jay
  Garrulus lanceolatus Vigors, 1831 -- valid -- Black-headed Jay
  Garrulus lidthi Bonaparte, 1850 -- valid -- Lidth's Jay
  Gavia J. R. Forster, 1788 -- valid -- Loons
  Gavia adamsii (G. R. Gray, 1859) -- valid -- Colimbo de Adams, Yellow-billed Loon, Plongeon à bec blanc, White-billed Diver
  Gavia arctica (Linnaeus, 1758) -- valid -- Arctic Loon, Black-throated Loon, Plongeon arctique
  Gavia immer (Brunnich, 1764) -- valid -- Colimbo mayor, Common Loon, Great Northern Loon, Great Northern Diver, Plongeon huard
  Gavia pacifica (Lawrence, 1858) -- valid -- Pacific Loon, Colimbo pacífico, Plongeon du Pacifique, Pacific Diver
  Gavia stellata (Pontoppidan, 1763) -- valid -- Colimbo menor, Red-throated Loon, Red-throated Diver, Plongeon catmarin
  Gaviidae Allen, 1897 -- valid -- Loons, Divers
  Gecinulus Blyth, 1845 -- valid
  Gecinulus grantia (Horsfield, 1840) -- valid -- Pale-headed Woodpecker
  Gecinulus viridis Blyth, 1862 -- valid -- Bamboo Woodpecker
  Geobates Swainson, 1838 -- invalid
  Geobates poecilopterus (Wied-Neuwied, 1830) -- invalid
  Geococcyx Wagler, 1831 -- valid -- Roadrunners
  Geococcyx californianus (Lesson, 1829) -- valid -- Greater Roadrunner, Correcaminos norteño
  Geococcyx velox (Wagner, 1836) -- valid -- Correcaminos tropical, Lesser Roadrunner
  Geocolaptes Swainson, 1832 -- valid
  Geocolaptes olivaceus (J. F. Gmelin, 1788) -- valid -- Ground Woodpecker
  Geoffroyus Bonaparte, 1850 -- valid
  Geoffroyus geoffroyi (Bechstein, 1811) -- valid -- Red-cheeked Parrot, Perruche de Geoffroy, Lorito carirrojo
  Geoffroyus heteroclitus (Hombron & Jacquinot, 1841) -- valid -- Singing Parrot, Song Parrot, Perruche hétéroclite, Lorito heteróclito
  Geoffroyus simplex (A. B. Meyer, 1874) -- valid -- Blue-collared Parrot, Perruche à col bleu, Lorito acollarado
  Geomalia Stresemann, 1931 -- valid
  Geomalia heinrichi Stresemann, 1931 -- valid -- Geomalia
  Geopelia Swainson, 1837 -- valid -- Zebra Doves
  Geopelia cuneata (Latham, 1801) -- valid -- Diamond Dove
  Geopelia humeralis (Temminck, 1821) -- valid -- Bar-shouldered Dove
  Geopelia maugeus (Temminck, 1809) -- valid -- Barred Dove
  Geopelia placida Gould, 1844 -- valid -- Peaceful Dove
  Geopelia striata (Linnaeus, 1766) -- valid -- Zebra Dove
  Geophaps G. R. Gray, 1842 -- valid
  Geophaps lophotes (Temminck, 1822) -- invalid
  Geophaps plumifera Gould, 1842 -- valid -- Spinifex Pigeon
  Geophaps scripta (Temminck, 1821) -- valid -- Squatter Pigeon
  Geophaps smithii (Jardine & Selby, 1830) -- valid -- Partridge Pigeon
  Geopsittacus Gould, 1861 -- invalid
  Geopsittacus occidentalis Gould, 1861 -- invalid
  Geositta Swainson, 1837 -- valid
  Geositta antarctica Landbeck, 1880 -- valid -- Short-billed Miner
  Geositta crassirostris P. L. Sclater, 1866 -- valid -- Thick-billed Miner
  Geositta cunicularia (Vieillot, 1816) -- valid -- Common Miner
  Geositta isabellina (Philippi & Landbeck, 1864) -- valid -- Creamy-rumped Miner
  Geositta maritima (Orbigny & Lafresnaye, 1837) -- valid -- Greyish Miner
  Geositta peruviana Lafresnaye, 1847 -- valid -- Coastal Miner
  Geositta punensis Dabbene, 1917 -- valid -- Puna Miner
  Geositta rufipennis (Burmeister, 1860) -- valid -- Rufous-banded Miner
  Geositta saxicolina Taczanowski, 1875 -- valid -- Dark-winged Miner
  Geositta tenuirostris (Lafresnaye, 1836) -- valid -- Slender-billed Miner
  Geospiza Gould, 1837 -- valid
  Geospiza conirostris Ridgway, 1890 -- valid -- Large Cactus Finch, Espanola Cactus Finch, Géospize à bec conique, Pinzón de Darwin conirrostro, grande-tentilhão-dos-cactus, Española Ground-Finch, Espanola Cactus-finch
  Geospiza difficilis Sharpe, 1888 -- valid -- Sharp-beaked Ground Finch, Géospize à bec pointu, Pinzón de Darwin picofino, tentilhão-da-terra-de-bico-agudo, Sharp-beaked Ground-Finch, Sharp-beaked Ground-finch
  Geospiza fortis Gould, 1837 -- valid -- Medium Ground Finch, Géospize à bec moyen, Pinzón de Darwin picomediano, tentilhão-da-terra-de-bico-médio, Medium Ground-Finch, Medium Ground-finch
  Geospiza fuliginosa Gould, 1837 -- valid -- Small Ground Finch, Géospize fuligineux, Pinzón de Darwin fuliginoso, tentilhão-da-terra-de-bico-pequeno, Small Ground-Finch, Small Ground-finch
  Geospiza magnirostris Gould, 1837 -- valid -- Large Ground Finch, Géospize à gros bec, Pinzón de Darwin picogordo, tentilhão-da-terra-de-bico-grande, Large Ground-Finch, Large Ground-finch
  Geospiza scandens (Gould, 1837) -- valid -- Common Cactus Finch, Géospize des cactus, Pinzón de Darwin de Española, tentilhão-dos-cactus, Common Cactus-Finch, Common Cactus-finch
  Geothlypis Cabanis, 1847 -- valid -- Yellowthroats
  Geothlypis aequinoctialis (J. F. Gmelin, 1789) -- valid -- Masked Yellowthroat, Paruline équatoriale
  Geothlypis beldingi Ridgway, 1882 -- valid -- Mascarita peninsular, Belding's Yellowthroat, Paruline de Belding
  Geothlypis flavovelata Ridgway, 1896 -- valid -- Mascarita de Altamira, Altamira Yellowthroat, Paruline à couronne jaune
  Geothlypis nelsoni Richmond, 1900 -- valid -- Mascarita matorralera, Hooded Yellowthroat, Paruline de Nelson
  Geothlypis poliocephala S. F. Baird, 1865 -- valid -- Gray-crowned Yellowthroat, Mascarita pico grueso, Paruline à calotte grise, Grey-crowned Yellowthroat
  Geothlypis rostrata H. Bryant, 1867 -- valid -- Bahama Yellowthroat, Paruline des Bahamas
  Geothlypis semiflava P. L. Sclater, 1860 -- valid -- Olive-crowned Yellowthroat, Paruline des bambous
  Geothlypis speciosa P. L. Sclater, 1859 -- valid -- Mascarita transvolcánica, Black-polled Yellowthroat, Paruline à face noire
  Geothlypis trichas (Linnaeus, 1766) -- valid -- Mascarita común, Common Yellowthroat, Paruline masquée
  Geotrygon Gosse, 1847 -- valid -- Quail-Doves
  Geotrygon albifacies P. L. Sclater, 1858 -- invalid -- Paloma-perdiz cara blanca, White-faced Quail-Dove
  Geotrygon caniceps (Gundlach, 1852) -- valid -- Grey-fronted Quail-Dove, Gray-fronted Quail-Dove
  Geotrygon carrikeri (Wetmore, 1941) -- invalid -- Tuxtla Quail-Dove
  Geotrygon chiriquensis P. L. Sclater, 1856 -- invalid -- Chiriqui Quail-Dove
  Geotrygon chrysia Bonaparte, 1855 -- valid -- Key West Quail-Dove
  Geotrygon costaricensis Lawrence, 1868 -- invalid -- Buff-fronted Quail-Dove
  Geotrygon frenata (Tschudi, 1843) -- invalid -- White-throated Quail-Dove
  Geotrygon goldmani Nelson, 1912 -- invalid -- Russet-crowned Quail-Dove
  Geotrygon lawrencii Salvin, 1874 -- invalid -- Paloma-perdiz tuxtleña, Purplish-backed Quail-Dove
  Geotrygon linearis (Prévost, 1843) -- invalid -- Lined Quail-Dove
  Geotrygon montana (Linnaeus, 1758) -- valid -- Ruddy Quail-Dove, Paloma-perdiz rojiza
  Geotrygon mystacea (Temminck, 1811) -- valid -- Bridled Quail-Dove
  Geotrygon saphirina Bonaparte, 1855 -- valid -- Sapphire Quail-Dove
  Geotrygon veraguensis Lawrence, 1866 -- invalid -- Olive-backed Quail-Dove
  Geotrygon versicolor (Lafresnaye, 1846) -- valid -- Crested Quail-Dove
  Geotrygon violacea (Temminck, 1809) -- valid -- Violaceous Quail-Dove
  Geranoaetus Kaup, 1844 -- valid
  Geranoaetus melanoleucus (Vieillot, 1819) -- valid -- Black-chested Buzzard-Eagle
  Geranospiza Kaup, 1847 -- valid
  Geranospiza caerulescens (Vieillot, 1817) -- valid -- Gavilán zancón, Crane Hawk, Buse échasse
  Geronticus Wagler, 1832 -- valid
  Geronticus calvus (Boddaert, 1783) -- valid -- Southern Bald Ibis
  Geronticus eremita (Linnaeus, 1758) -- valid -- Northern Bald Ibis
  Gerygone Gould, 1841 -- valid
  Gerygone albofrontata G. R. Gray, 1845 -- valid -- Chatham Gerygone
  Gerygone chloronotus Gould, 1843 -- invalid
  Gerygone chrysogaster G. R. Gray, 1858 -- valid -- Yellow-bellied Gerygone
  Gerygone cinerea Salvadori, 1876 -- valid -- Ashy Gerygone
  Gerygone dorsalis P. L. Sclater, 1883 -- valid -- Rufous-sided Gerygone
  Gerygone flavolateralis (G. R. Gray, 1859) -- valid -- Fan-tailed Gerygone
  Gerygone fusca (Gould, 1838) -- valid -- Western Gerygone
  Gerygone igata (Quoy & Gaimard, 1830) -- valid -- Grey Gerygone
  Gerygone inornata Wallace, 1864 -- valid -- Plain Gerygone
  Gerygone insularis E. P. Ramsay, 1878 -- valid
  Gerygone levigaster Gould, 1843 -- valid -- Mangrove Gerygone
  Gerygone magnirostris Gould, 1843 -- valid -- Large-billed Gerygone
  Gerygone modesta Pelzeln, 1860 -- valid -- Norfolk Gerygone
  Gerygone mouki Mathews, 1912 -- valid -- Brown Gerygone
  Gerygone olivacea (Gould, 1838) -- valid -- White-throated Gerygone
  Gerygone palpebrosa Wallace, 1865 -- valid -- Fairy Gerygone
  Gerygone ruficollis Salvadori, 1876 -- valid -- Treefern Gerygone
  Gerygone sulphurea Wallace, 1864 -- valid -- Golden-bellied Gerygone
  Gerygone tenebrosa (Hall, 1901) -- valid -- Dusky Gerygone
  Glareola Brisson, 1760 -- valid -- Pratincoles
  Glareola cinerea Fraser, 1843 -- valid -- Grey Pratincole, Glaréole grise, Canastera gris, perdiz-do-mar-cinzenta, Gray Pratincole
  Glareola lactea Temminck, 1820 -- valid -- Small Pratincole, Glaréole lactée, Canastera chica, perdiz-do-mar-pequena, Little Pratincole
  Glareola maldivarum J. R. Forster, 1795 -- valid -- Oriental Pratincole, Glaréole orientale, Canastera oriental, perdiz-do-mar-oriental
  Glareola nordmanni Fischer von Waldheim, 1842 -- valid -- Black-winged Pratincole, Glaréole à ailes noires, Canastera alinegra, perdiz-do-mar-d'asa-preta
  Glareola nuchalis G. R. Gray, 1849 -- valid -- Rock Pratincole, Glaréole auréolée, Canastera sombría, perdiz-do-mar-escura
  Glareola ocularis J. Verreaux, 1833 -- valid -- Madagascar Pratincole, Glaréole malgache, Canastera malgache, perdiz-do-mar-malgaxe
  Glareola pratincola (Linnaeus, 1766) -- valid -- Collared Pratincole, Glaréole à collier, Canastera común, perdiz-do-mar
  Glareolidae Brehm, 1831 -- valid -- Coursers, Pratincoles
  Glaucidium F. Boie, 1826 -- valid -- Pygmy-Owls
  Glaucidium albertinum Prigogine, 1983 -- valid -- Albertine Owlet
  Glaucidium bolivianum C. König, 1991 -- valid -- Yungas Pygmy Owl
  Glaucidium brasilianum (J. F. Gmelin, 1788) -- valid -- Ferruginous Pygmy-Owl, Tecolote bajeño, Ferruginous Pygmy Owl
  Glaucidium brodiei (Burton, 1836) -- valid -- Collared Owlet
  Glaucidium californicum P. L. Sclater, 1857 -- valid -- Northern Pygmy Owl
  Glaucidium capense (A. Smith, 1834) -- valid -- African Barred Owlet
  Glaucidium castaneum Reichenow, 1893 -- invalid
  Glaucidium castanonotum (Blyth, 1850) -- invalid -- Chestnut-backed Owlet
  Glaucidium castanopterum (Horsfield, 1821) -- valid -- Javan Owlet
  Glaucidium cuculoides (Vigors, 1831) -- valid -- Asian Barred Owlet
  Glaucidium gnoma Wagler, 1832 -- valid -- Northern Pygmy-Owl, Tecolote serrano, Mountain Pygmy Owl
  Glaucidium griseiceps Sharpe, 1875 -- valid -- Tecolote mesoamericano, Central American Pygmy Owl, Central American Pygmy-Owl
  Glaucidium hardyi Vielliard, 1989 -- valid -- Amazonian Pygmy Owl
  Glaucidium jardinii (Bonaparte, 1855) -- valid -- Andean Pygmy Owl
  Glaucidium minutissimum (zu Wied-Neuwied, 1830) -- valid -- East Brazilian Pygmy Owl
  Glaucidium nanum (P. P. King, 1827) -- invalid
  Glaucidium ngamiense (Roberts, 1932) -- invalid
  Glaucidium palmarum Nelson, 1901 -- valid -- Tecolote colimense, Colima Pygmy-Owl, Colima Pygmy Owl
  Glaucidium passerinum (Linnaeus, 1758) -- valid -- Eurasian Pygmy Owl
  Glaucidium perlatum (Vieillot, 1817) -- valid -- Pearl-spotted Owlet
  Glaucidium peruanum C. König, 1991 -- valid -- Pacific Pygmy Owl
  Glaucidium radiatum (Tickell, 1833) -- valid -- Jungle Owlet
  Glaucidium sanchezi Lowery & R. J. Newman, 1949 -- valid -- Tecolote tamaulipeco, Tamaulipas Pygmy-Owl, Tamaulipas Pygmy Owl
  Glaucidium scheffleri Neumann, 1911 -- invalid
  Glaucidium siju (d'Orbigny, 1839) -- valid -- Cuban Pygmy-Owl, Cuban Pygmy Owl
  Glaucidium sjostedti Reichenow, 1893 -- valid -- Sjostedt's Barred Owlet
  Glaucidium tephronotum Sharpe, 1875 -- valid -- Red-chested Owlet
  Glaucis F. Boie, 1831 -- valid
  Glaucis aenea Lawrence, 1868 -- invalid
  Glossopsitta Bonaparte, 1854 -- valid
  Glossopsitta concinna (Shaw, 1791) -- valid -- Musk Lorikeet, Lori à bandeau rouge, Lori almizclero
  Glossopsitta porphyrocephala (Dietrichsen, 1837) -- invalid -- Purple-crowned Lorikeet
  Glossopsitta pusilla (Shaw, 1790) -- invalid -- Little Lorikeet
  Glycichaera Salvadori, 1878 -- valid
  Glycichaera fallax Salvadori, 1878 -- valid -- Green-backed Honeyeater, Méliphage trompeur, Mielero dorsiverde
  Glyphorynchus Wied-Neuwied, 1831 -- valid
  Glyphorynchus spirurus (Vieillot, 1819) -- valid -- Wedge-billed Woodcreeper
  Gnorimopsar Richmond, 1908 -- valid
  Gnorimopsar chopi (Vieillot, 1819) -- valid -- Chopi Blackbird
  Goethalsia Nelson, 1912 -- invalid
  Goethalsia bella Nelson, 1912 -- invalid -- Rufous-cheeked Hummingbird, Pirre Hummingbird
  Goldmania Nelson, 1911 -- valid
  Goldmania violiceps Nelson, 1911 -- valid -- Violet-capped Hummingbird
  Gorsachius Bonaparte, 1855 -- valid
  Gorsachius goisagi (Temminck, 1836) -- valid -- Japanese Night Heron
  Gorsachius leuconotus (Wagler, 1827) -- valid -- White-backed Night Heron
  Gorsachius magnificus (Ogilvie-Grant, 1899) -- valid -- White-eared Night Heron
  Gorsachius melanolophus (Raffles, 1822) -- valid -- Malayan Night Heron
  Goura Stephens, 1819 -- valid
  Goura cristata (Pallas, 1764) -- valid -- Western Crowned Pigeon
  Goura scheepmakeri Finsch, 1876 -- valid -- Southern Crowned Pigeon, Scheepmaker's Crowned Pigeon
  Goura victoria (Fraser, 1844) -- valid -- Victoria Crowned Pigeon
  Gracula Linnaeus, 1758 -- valid -- Hill Mynas
  Gracula ptilogenys Blyth, 1846 -- valid -- Sri Lanka Hill Myna
  Gracula religiosa Linnaeus, 1758 -- valid -- Hill Myna, Common Hill Myna
  Grafisia Bates, 1926 -- valid
  Grafisia torquata (Reichenow, 1909) -- valid -- White-collared Starling
  Grallaria Vieillot, 1816 -- valid
  Grallaria albigula Chapman, 1923 -- valid -- White-throated Antpitta
  Grallaria alleni Chapman, 1912 -- valid -- Moustached Antpitta
  Grallaria andicola (Cabanis, 1873) -- invalid
  Grallaria bangsi Allen, 1900 -- valid -- Santa Marta Antpitta
  Grallaria blakei G. R. Graves, 1987 -- valid -- Chestnut Antpitta
  Grallaria capitalis Chapman, 1926 -- valid -- Bay Antpitta
  Grallaria carrikeri Schulenberg & M. D. Williams, 1982 -- valid -- Pale-billed Antpitta
  Grallaria chthonia Wetmore & W. H. Phelps Jr, 1956 -- valid -- Tachira Antpitta
  Grallaria dignissima P. L. Sclater & Salvin, 1880 -- valid -- Ochre-striped Antpitta
  Grallaria eludens Lowery & O'Neill, 1969 -- valid -- Elusive Antpitta
  Grallaria erythroleuca P. L. Sclater, 1874 -- valid -- Red-and-white Antpitta
  Grallaria erythrotis P. L. Sclater & Salvin, 1876 -- valid -- Rufous-faced Antpitta
  Grallaria excelsa Berlepsch, 1893 -- valid -- Great Antpitta
  Grallaria flavotincta P. L. Sclater, 1877 -- valid -- Yellow-breasted Antpitta
  Grallaria gigantea Lawrence, 1866 -- valid -- Giant Antpitta
  Grallaria griseonucha P. L. Sclater & Salvin, 1871 -- valid -- Grey-naped Antpitta
  Grallaria guatimalensis Prevost & Des Murs, 1842 -- valid -- Hormiguero-cholino escamoso, Scaled Antpitta
  Grallaria haplonota P. L. Sclater, 1877 -- valid -- Plain-backed Antpitta
  Grallaria hypoleuca P. L. Sclater, 1855 -- valid -- White-bellied Antpitta
  Grallaria kaestneri F. G. Stiles, 1992 -- valid -- Cundinamarca Antpitta
  Grallaria milleri Chapman, 1912 -- valid -- Brown-banded Antpitta
  Grallaria nuchalis P. L. Sclater, 1860 -- valid -- Chestnut-naped Antpitta
  Grallaria przewalskii Taczanowski, 1882 -- valid -- Rusty-tinged Antpitta
  Grallaria quitensis Lesson, 1844 -- valid -- Tawny Antpitta
  Grallaria ruficapilla Lafresnaye, 1842 -- valid -- Chestnut-crowned Antpitta
  Grallaria rufocinerea P. L. Sclater & Salvin, 1879 -- valid -- Bicolored Antpitta
  Grallaria rufula Lafresnaye, 1843 -- valid -- Rufous Antpitta
  Grallaria squamigera Prevost & Des Murs, 1842 -- valid -- Undulated Antpitta
  Grallaria varia (Boddaert, 1783) -- valid -- Variegated Antpitta
  Grallaria watkinsi Chapman, 1919 -- valid -- Watkins's Antpitta
  Grallaricula P. L. Sclater, 1858 -- valid
  Grallaricula cucullata (P. L. Sclater, 1856) -- valid -- Hooded Antpitta
  Grallaricula ferrugineipectus (P. L. Sclater, 1857) -- valid -- Rusty-breasted Antpitta
  Grallaricula flavirostris (P. L. Sclater, 1858) -- valid -- Ochre-breasted Antpitta
  Grallaricula lineifrons (Chapman, 1924) -- valid -- Crescent-faced Antpitta
  Grallaricula loricata (P. L. Sclater, 1857) -- valid -- Scallop-breasted Antpitta
  Grallaricula nana (Lafresnaye, 1842) -- valid -- Slaty-crowned Antpitta
  Grallaricula ochraceifrons G. R. Graves, O'Neill & T. A. Parker, 1983 -- valid -- Ochre-fronted Antpitta
  Grallaricula peruviana Chapman, 1923 -- valid -- Peruvian Antpitta
  Grallina Vieillot, 1816 -- valid
  Grallina bruijni Salvadori, 1876 -- invalid -- Torrentlark
  Grallina cyanoleuca (Latham, 1802) -- valid -- Magpielark
  Graminicola Jerdon, 1863 -- valid
  Graminicola bengalensis Jerdon, 1863 -- valid -- Rufous-rumped Grassbird
  Granatellus Bonaparte, 1850 -- valid
  Granatellus pelzelni P. L. Sclater, 1865 -- valid -- Rose-breasted Chat
  Granatellus sallaei (Bonaparte, 1856) -- valid -- Granatelo yucateco, Grey-throated Chat, Gray-throated Chat
  Granatellus venustus Bonaparte, 1850 -- valid -- Granatelo mexicano, Red-breasted Chat
  Grandala Hodgson, 1843 -- valid
  Grandala coelicolor Hodgson, 1843 -- valid -- Grandala
  Grantiella Mathews, 1911 -- valid
  Grantiella picta (Gould, 1838) -- valid -- Painted Honeyeater, Méliphage peint, Mielero pintado, melífago-pintado
  Graueria Hartert, 1908 -- valid
  Graueria vittata Hartert, 1908 -- valid -- Grauer's Warbler
  Graydidascalus Bonaparte, 1854 -- valid
  Graydidascalus brachyurus (Temminck & Kuhl, 1820) -- valid -- Short-tailed Parrot, Caïque à queue courte, Lorito colicorto, curica-verde
  Griseotyrannus Lanyon, 1984 -- invalid
  Griseotyrannus aurantioatrocristatus (Orbigny & Lafresnaye, 1837) -- invalid
  Gruidae -- valid -- Cranes
  Gruiformes -- valid -- Cranes, Rails, grues, râles
  Grus Brisson, 1760 -- valid -- Cranes
  Grus americana (Linnaeus, 1758) -- valid -- Whooping Crane, Grulla blanca
  Grus antigone (Linnaeus, 1758) -- valid -- Sarus Crane
  Grus canadensis (Linnaeus, 1758) -- valid -- Grulla gris, Sandhill Crane, grue du Canada
  Grus grus (Linnaeus, 1758) -- valid -- Common Crane
  Grus japonensis (Statius Muller, 1776) -- valid -- Japanese Crane, Red-crowned Crane
  Grus leucogeranus Pallas, 1773 -- valid -- Siberian White Crane, Siberian Crane
  Grus monacha Temminck, 1835 -- valid -- Hooded Crane
  Grus nigricollis Prjevalsky, 1876 -- valid -- Black-necked Crane
  Grus rubicunda (Perry, 1810) -- valid -- Brolga
  Grus vipio Pallas, 1811 -- valid -- White-naped Crane
  Guadalcanaria E. Hartert, 1929 -- valid
  Guadalcanaria inexpectata E. Hartert, 1929 -- valid -- Guadalcanal Honeyeater, Méliphage de Guadalcanal, Mielero de Guadalcanal
  Gubernatrix R. Lesson, 1837 -- valid
  Gubernatrix cristata (Vieillot, 1817) -- valid -- Yellow Cardinal, Commandeur huppé, Gobernador crestado, cardeal-amarelo
  Gubernetes Such, 1825 -- valid
  Gubernetes yetapa (Vieillot, 1818) -- valid -- Streamer-tailed Tyrant
  Guira Lesson, 1830 -- valid
  Guira guira (Gmelin, 1788) -- valid -- Guira Cuckoo
  Guiraca Swainson, 1827 -- invalid -- Blue Grosbeaks
  Guiraca caerulea (Linnaeus, 1758) -- invalid -- Picogordo azul, Blue Grosbeak, guicara bleu
  Guttera Wagler, 1832 -- valid
  Guttera plumifera (Cassin, 1857) -- valid -- Pintade plumifère, Pintada plumífera, pintada-emplumada, Plumed Guineafowl
  Guttera pucherani (Hartlaub, 1861) -- valid -- Pintade de Pucheran, Pintada moñuda oriental, pintada-de-crista, Eastern Crested Guineafowl, Crested Guineafowl
  Gygis Wagler, 1832 -- valid -- White Terns
  Gygis alba (Sparrman, 1786) -- valid -- White Tern, Angel Tern, Gygis blanche, Charrán blanco común, grazina, Atoll Tern
  Gygis microrhyncha H. Saunders, 1876 -- invalid
  Gymnobucco Bonaparte, 1850 -- valid
  Gymnobucco bonapartei Hartlaub, 1854 -- valid -- Grey-throated Barbet
  Gymnobucco calvus (Lafresnaye, 1841) -- valid -- Naked-faced Barbet
  Gymnobucco peli Hartlaub, 1857 -- valid -- Bristle-nosed Barbet
  Gymnobucco sladeni Ogilvie-Grant, 1907 -- valid -- Sladen's Barbet
  Gymnocichla P. L. Sclater, 1858 -- valid
  Gymnocichla nudiceps (Cassin, 1850) -- valid -- Bare-crowned Antbird
  Gymnocrex Salvadori, 1875 -- valid
  Gymnocrex plumbeiventris (G. R. Gray, 1862) -- valid -- Bare-eyed Rail
  Gymnocrex rosenbergii (Schlegel, 1866) -- valid -- Blue-faced Rail
  Gymnoderus E. Geoffroy Saint-Hilaire, 1809 -- valid
  Gymnoderus foetidus (Linnaeus, 1758) -- valid -- Bare-necked Fruitcrow
  Gymnogyps Lesson, 1842 -- valid -- Condors
  Gymnogyps californianus (Shaw, 1797) -- valid -- California Condor, Cóndor californiano, Condor de Californie
  Gymnomystax Reichenbach, 1850 -- valid
  Gymnomystax mexicanus (Linnaeus, 1766) -- valid -- Oriole Blackbird
  Gymnomyza Reichenow, 1914 -- valid -- Maos
  Gymnomyza aubryana (J. Verreaux & Des Murs, 1860) -- valid -- Crow Honeyeater, Méliphage toulou, Mielero corvino, melífago-preto
  Gymnomyza samoensis (Hombron & Jacquinot, 1841) -- valid -- Mao, Méliphage mao, Mielero mao
  Gymnomyza viridis (E. L. Layard, 1875) -- valid -- Yodeling Honeyeater, Yellow-billed Honeyeater, Giant Forest Honeyeater, Méliphage vert, Mielero gigante piquiamarillo, Chattering Giant-Honeyeater
  Gymnophaps Salvadori, 1874 -- valid
  Gymnophaps albertisii Salvadori, 1874 -- valid -- Papuan Mountain Pigeon
  Gymnophaps mada (Hartert, 1899) -- valid -- Long-tailed Mountain Pigeon, Buru Mountain Pigeon
  Gymnophaps solomonensis Mayr, 1931 -- valid -- Pale Mountain Pigeon
  Gymnopithys Bonaparte, 1857 -- valid
  Gymnopithys bicolor (Lawrence, 1863) -- invalid
  Gymnopithys leucaspis (P. L. Sclater, 1855) -- valid -- Bicolored Antbird
  Gymnopithys lunulata (P. L. Sclater & Salvin, 1873) -- invalid
  Gymnopithys rufigula (Boddaert, 1783) -- valid -- Rufous-throated Antbird
  Gymnopithys salvini (Berlepsch, 1901) -- valid -- White-throated Antbird
  Gymnorhina G. R. Gray, 1840 -- valid
  Gymnorhina tibicen (Latham, 1802) -- valid -- Australian Magpie
  Gymnorhinus Wied-Neuwied, 1841 -- valid -- Pinyon Jay
  Gymnorhinus cyanocephalus Wied-Neuwied, 1841 -- valid -- Pinyon Jay, Chara piñonera
  Gymnostinops Sclater, 1886 -- invalid
  Gymnostinops bifasciatus (Spix, 1824) -- invalid
  Gymnostinops cassini Richmond, 1898 -- invalid
  Gymnostinops guatimozinus (Bonaparte, 1853) -- invalid
  Gymnostinops montezuma (Lesson, 1830) -- invalid
  Gypaetus Storr, 1784 -- valid
  Gypaetus barbatus (Linnaeus, 1758) -- valid -- Bearded Vulture
  Gypohierax Ruppell, 1836 -- valid
  Gypohierax angolensis (Gmelin, 1788) -- valid -- Palm-nut Vulture
  Gypopsitta Bonaparte, 1856 -- invalid
  Gypopsitta vulturina (Kuhl, 1820) -- invalid
  Gyps Savigny, 1809 -- valid
  Gyps africanus Salvadori, 1865 -- valid -- White-backed Vulture
  Gyps bengalensis (Gmelin, 1788) -- valid -- White-rumped Vulture
  Gyps coprotheres (J. R. Forster, 1798) -- valid -- Cape Vulture
  Gyps fulvus (Hablizl, 1783) -- valid -- Griffon Vulture
  Gyps himalayensis Hume, 1869 -- valid -- Himalayan Vulture
  Gyps indicus (Scopoli, 1786) -- valid -- Indian Vulture
  Gyps rueppellii (A. E. Brehm, 1852) -- valid -- Rüppell's Vulture
  Habia Blyth, 1840 -- valid
  Habia atrimaxillaris (Dwight & Griscom, 1924) -- valid -- Black-cheeked Ant Tanager, Black-cheeked Ant-Tanager
  Habia cristata (Lawrence, 1875) -- valid -- Crested Ant Tanager
  Habia fuscicauda (Cabanis, 1861) -- valid -- Tángara-hormiguera garganta roja, Red-throated Ant-Tanager, Red-throated Ant Tanager
  Habia gutturalis (P. L. Sclater, 1854) -- valid -- Sooty Ant Tanager
  Habia rubica (Vieillot, 1817) -- valid -- Tángara-hormiguera corona roja, Red-crowned Ant-Tanager, Red-crowned Ant Tanager
  Habroptila G. R. Gray, 1861 -- valid
  Habroptila wallacii G. R. Gray, 1861 -- valid -- Invisible Rail
  Haematoderus Bonaparte, 1854 -- valid
  Haematoderus militaris (Shaw, 1792) -- valid -- Crimson Fruitcrow
  Haematopus Linnaeus, 1758 -- valid -- Oystercatchers
  Haematopus ater Vieillot, 1825 -- valid -- Blackish Oystercatcher, Huîtrier noir, Ostrero negro americano, piru-piru-preto-sulamericano
  Haematopus bachmani Audubon, 1838 -- valid -- Black Oystercatcher, Ostrero negro, Huîtrier de Bachman, American Black Oystercatcher, Ostrero Negro Norteamericano, piru-piru-preto-norteamericano
  Haematopus finschi G. H. Martens, 1897 -- valid -- South Island Oystercatcher, Huîtrier de Finsch, Ostrero de Finsch
  Haematopus fuliginosus Gould, 1845 -- valid -- Sooty Oystercatcher, Huîtrier fuligineux, Ostrero negro australiano, piru-piru-preto-australiano
  Haematopus leucopodus Garnot, 1826 -- valid -- Magellanic Oystercatcher, Huîtrier de Garnot, Ostrero magallánico, piru-piru-de-magalhães
  Haematopus longirostris Vieillot, 1817 -- valid -- Pied Oystercatcher, Huîtrier à long bec, Ostrero pío australiano, piru-piru-australiano
  Haematopus meadewaldoi Bannerman, 1913 -- valid -- Canary Islands Oystercatcher, Huîtrier des Canaries, Ostrero negro canario, ostraceiro-das-canárias, Canarian Oystercatcher
  Haematopus moquini Bonaparte, 1856 -- valid -- African Oystercatcher, Huîtrier de Moquin, Ostrero negro africano, ostraceiro-preto-africano
  Haematopus ostralegus Linnaeus, 1758 -- valid -- Eurasian Oystercatcher, Huîtrier pie, Ostrero euroasiático, ostraceiro
  Haematopus palliatus Temminck, 1820 -- valid -- Ostrero americano, American Oystercatcher, Huîtrier d'Amérique, Ostrero pío americano, piru-piru
  Haematopus unicolor J. R. Forster, 1844 -- valid -- Variable Oystercatcher, Huîtrier variable, Ostrero variable, piru-piru-variável
  Haematortyx Sharpe, 1879 -- valid
  Haematortyx sanguiniceps Sharpe, 1879 -- valid -- Rouloul sanglant, Perdicilla cabecirroja, perdiz-de-cabeça-carmim, Crimson-headed Partridge
  Haematospiza Blyth, 1845 -- invalid
  Haematospiza sipahi (Hodgson, 1836) -- invalid -- Scarlet Finch
  Halcyon Swainson, 1821 -- valid -- Blue Kingfishers
  Halcyon albiventris (Scopoli, 1786) -- valid -- Brown-hooded Kingfisher, pica-peixe-de-barrete-castanho, Alción cabecipardo, Martin-chasseur à tête brune
  Halcyon badia J. Verreaux & É. Verreaux, 1851 -- valid -- Chocolate-backed Kingfisher, guarda-rios-de-dorso-castanho, Alción castaño, Martin-chasseur marron
  Halcyon chelicuti (Stanley, 1814) -- valid -- Striped Kingfisher, pica-peixe-riscado, Alción estriado, Martin-chasseur strié
  Halcyon coromanda (Latham, 1790) -- valid -- Ruddy Kingfisher, Alción rojizo, Martin-chasseur violet
  Halcyon cyanoventris (Vieillot, 1818) -- valid -- Javan Kingfisher, Alción de Java, Martin-chasseur de Java
  Halcyon leucocephala (P. L. S. Müller, 1776) -- valid -- Grey-headed Kingfisher, passarinha, Alción cabeciblanco, Martin-chasseur à tête grise, Gray-headed Kingfisher
  Halcyon malimbica (Shaw, 1812) -- valid -- Blue-breasted Kingfisher, pica-peixe-de-peito-azul, Alción pechiazul, Martin-chasseur à poitrine bleue
  Halcyon pileata (Boddaert, 1783) -- valid -- Black-capped Kingfisher, Alción capirotado, Martin-chasseur à coiffe noire
  Halcyon senegalensis (Linnaeus, 1766) -- valid -- Woodland Kingfisher, pica-peixe-dos-bosques, Alción senegalés, Martin-chasseur du Sénégal
  Halcyon senegaloides A. Smith, 1834 -- valid -- Mangrove Kingfisher, pica-peixe-dos-mangais, Alción de manglar, Martin-chasseur des mangroves
  Halcyon smyrnensis (Linnaeus, 1758) -- valid -- White-throated Kingfisher, guarda-rios-de-papo-branco, Alción de Esmirna, Martin-chasseur de Smyrne, White-breasted Kingfisher
  Haliaeetus Savigny, 1809 -- valid -- Fish Eagles
  Haliaeetus albicilla (Linnaeus, 1758) -- valid -- White-tailed Eagle, Pygargue à queue blanche
  Haliaeetus leucocephalus (Linnaeus, 1766) -- valid -- Águila cabeza blanca, Bald Eagle, Pygargue à tête blanche
  Haliaeetus leucogaster (Gmelin, 1788) -- valid -- White-bellied Sea Eagle
  Haliaeetus leucoryphus (Pallas, 1771) -- valid -- Pallas's Fish Eagle
  Haliaeetus pelagicus (Pallas, 1811) -- valid -- Steller's Sea-Eagle, Pygargue empereur, Steller's Sea Eagle
  Haliaeetus sanfordi Mayr, 1935 -- valid -- Forest Fish Eagle, Sanford's Sea Eagle
  Haliaeetus vocifer (Daudin, 1800) -- valid -- African Fish Eagle
  Haliaeetus vociferoides Des Murs, 1845 -- valid -- Madagascar Fish Eagle
  Haliastur Selby, 1840 -- valid
  Haliastur indus (Boddaert, 1783) -- valid -- Brahminy Kite
  Haliastur sphenurus (Vieillot, 1818) -- valid -- Whistling Kite
  Halobaena Bonaparte, 1856 -- valid
  Halobaena caerulea (Gmelin, 1789) -- valid -- Blue Petrel
  Hamirostra Brown, 1845 -- valid
  Hamirostra melanosternon (Gould, 1841) -- valid -- Black-breasted Buzzard
  Hapalopsittaca Ridgway, 1912 -- valid
  Hapalopsittaca amazonina (Des Murs, 1845) -- valid -- Rusty-faced Parrot, Caïque à face rousse, Lorito amazonino
  Hapalopsittaca fuertesi (Chapman, 1912) -- valid -- Fuertes's Parrot, Indigo-winged Parrot, Caïque de Fuertes, Lorito de Fuertes
  Hapalopsittaca melanotis (Lafresnaye, 1847) -- valid -- Black-winged Parrot, Caïque à ailes noires, Lorito alinegro
  Hapalopsittaca pyrrhops (Salvin, 1876) -- valid -- Red-faced Parrot, Caïque de Salvin, Lorito ecuatoriano
  Hapaloptila P. L. Sclater, 1881 -- valid
  Hapaloptila castanea (J. Verreaux, 1866) -- valid -- White-faced Nunbird
  Haplophaedia Simon, 1918 -- valid
  Haplophaedia aureliae (Bourcier & Mulsant, 1846) -- valid -- Greenish Puffleg
  Haplophaedia lugens (Gould, 1852) -- valid -- Hoary Puffleg
  Haplospiza Cabanis, 1851 -- valid
  Haplospiza rustica (Tschudi, 1844) -- valid -- Semillero pizarra, Slaty Finch, Haplospize ardoisé, Yal pizarroso
  Haplospiza unicolor Cabanis, 1851 -- valid -- Uniform Finch, Haplospize unicolore, Yal unicolor, cigarra-bambu
  Harpactes Swainson, 1833 -- valid
  Harpactes ardens (Temminck, 1826) -- valid -- Philippine Trogon, Trogón filipino, Trogon des Philippines
  Harpactes diardii (Temminck, 1832) -- valid -- Diard's Trogon, Trogón de Diard, Trogon de Diard
  Harpactes duvaucelii (Temminck, 1824) -- valid -- Scarlet-rumped Trogon, Trogón culirrojo, Trogon de Duvaucel
  Harpactes erythrocephalus (Gould, 1834) -- valid -- Red-headed Trogon, Trogón cabecirrojo, Trogon à tête rouge
  Harpactes fasciatus (Pennant, 1769) -- valid -- Malabar Trogon, Trogón malabar, Trogon de Malabar
  Harpactes kasumba (Raffles, 1822) -- valid -- Red-naped Trogon, Trogón kasumba, Trogon à nuque rouge
  Harpactes oreskios (Temminck, 1823) -- valid -- Orange-breasted Trogon, Trogón pechinaranja, Trogon à poitrine jaune
  Harpactes orrhophaeus (Cabanis & Heine, 1863) -- valid -- Cinnamon-rumped Trogon, Trogón canela, Trogon cannelle
  Harpactes reinwardtii (Temminck, 1822) -- invalid -- Red-billed Trogon
  Harpactes wardi (Kinnear, 1927) -- valid -- Ward's Trogon, Trogón de Ward, Trogon de Ward
  Harpactes whiteheadi Sharpe, 1888 -- valid -- Whitehead's Trogon, Trogón de Borneo, Trogon de Whitehead
  Harpagus Vigors, 1824 -- valid
  Harpagus bidentatus (Latham, 1790) -- valid -- Gavilán bidentado, Double-toothed Kite, Milan bidenté
  Harpagus diodon (Temminck, 1823) -- valid -- Rufous-thighed Kite
  Harpia Vieillot, 1816 -- valid
  Harpia harpyja (Linnaeus, 1758) -- valid -- Águila arpía, Harpy Eagle, Harpie féroce
  Harpyhaliaetus Lafresnaye, 1842 -- valid
  Harpyhaliaetus coronatus (Vieillot, 1817) -- valid -- Crowned Solitary Eagle
  Harpyhaliaetus solitarius (Tschudi, 1844) -- valid -- Águila solitaria, Montane Solitary Eagle, Solitary Eagle, Buse solitaire
  Harpyopsis Salvadori, 1875 -- valid
  Harpyopsis novaeguineae Salvadori, 1875 -- valid -- Papuan Eagle
  Heinrichia Stresemann, 1931 -- valid
  Heinrichia calligyna Stresemann, 1931 -- valid -- Great Shortwing
  Heleia Hartlaub, 1865 -- valid
  Heleia crassirostris (Hartert, 1897) -- valid -- Thick-billed Heleia
  Heleia muelleri Hartlaub, 1865 -- valid -- Spot-breasted Heleia
  Heliactin F. Boie, 1831 -- valid
  Heliactin cornuta (Wied-Neuwied, 1821) -- invalid
  Heliangelus Gould, 1848 -- valid
  Heliangelus amethysticollis (d'Orbigny & Lafresnaye, 1838) -- valid -- Amethyst-throated Sunangel
  Heliangelus exortis (Fraser, 1840) -- valid -- Tourmaline Sunangel
  Heliangelus mavors Gould, 1848 -- valid -- Orange-throated Sunangel
  Heliangelus regalis Fitzpatrick, Willard & Terborgh, 1979 -- valid -- Royal Sunangel
  Heliangelus spencei (Bourcier, 1847) -- valid -- Merida Sunangel
  Heliangelus strophianus (Gould, 1846) -- valid -- Gorgeted Sunangel
  Heliangelus viola Gould, 1853 -- valid -- Purple-throated Sunangel
  Heliangelus zusii G. R. Graves, 1993 -- invalid -- Bogota Sunangel
  Heliobletus Reichenbach, 1853 -- valid
  Heliobletus contaminatus Berlepsch, 1885 -- valid -- Sharp-billed Treehunter
  Heliodoxa Gould, 1850 -- valid
  Heliodoxa aurescens (Gould, 1846) -- valid -- Gould's Jewelfront
  Heliodoxa branickii (Taczanowski, 1874) -- valid -- Rufous-webbed Brilliant
  Heliodoxa gularis (Gould, 1860) -- valid -- Pink-throated Brilliant
  Heliodoxa imperatrix (Gould, 1856) -- valid -- Empress Brilliant
  Heliodoxa jacula Gould, 1850 -- valid -- Green-crowned Brilliant
  Heliodoxa leadbeateri (Bourcier, 1843) -- valid -- Violet-fronted Brilliant
  Heliodoxa rubinoides (Bourcier & Mulsant, 1846) -- valid -- Fawn-breasted Brilliant
  Heliodoxa schreibersii (Bourcier, 1847) -- valid -- Black-throated Brilliant
  Heliodoxa xanthogonys Salvin & Godman, 1882 -- valid -- Velvet-browed Brilliant
  Heliolais Sharpe, 1903 -- valid
  Heliolais erythroptera (Jardine, 1849) -- invalid
  Heliomaster Bonaparte, 1850 -- valid -- Starthroats
  Heliomaster constantii (Delattre, 1843) -- valid -- Plain-capped Starthroat, Colibrí picudo
  Heliomaster furcifer (Shaw, 1812) -- valid -- Blue-tufted Starthroat
  Heliomaster longirostris (Audebert & Vieillot, 1801) -- valid -- Colibrí pico largo, Long-billed Starthroat
  Heliomaster squamosus (Temminck, 1823) -- valid -- Stripe-breasted Starthroat
  Heliopais Sharpe, 1893 -- valid
  Heliopais personata (G. R. Gray, 1849) -- invalid
  Heliornis Bonnaterre, 1791 -- valid
  Heliornis fulica (Boddaert, 1783) -- valid -- Pájaro cantil, Sungrebe
  Heliornithidae -- valid -- Finfoots
  Heliothryx F. Boie, 1831 -- valid
  Heliothryx barroti (Bourcier, 1843) -- valid -- Hada enmascarada, Purple-crowned Fairy
  Hellmayrea Stolzmann, 1926 -- valid
  Hellmayrea gularis (Lafresnaye, 1843) -- valid -- White-browed Spinetail
  Helmitheros Rafinesque, 1819 -- valid -- Worm-eating Warblers
  Helmitheros vermivorus (J. F. Gmelin, 1789) -- invalid -- Chipe gusanero, Worm-eating Warbler, paruline vermivore
  Hemicircus Swainson, 1837 -- valid
  Hemicircus canente (R. Lesson, 1832) -- valid -- Heart-spotted Woodpecker
  Hemicircus concretus (Temminck, 1821) -- valid -- Grey-and-buff Woodpecker
  Hemignathus M. H. K. Lichtenstein, 1839 -- valid -- 'Amakihis
  Hemignathus chloris (Cabanis, 1850) -- invalid
  Hemignathus kauaiensis Pratt, 1989 -- invalid -- Kauai Amakihi
  Hemignathus lucidus M. H. K. Lichtenstein, 1839 -- valid -- Honeycreeper, Nukupu'u, Nukupuu
  Hemignathus munroi Pratt, 1979 -- invalid -- 'Akiapola'au, Akiapolaau
  Hemignathus obscurus (J. F. Gmelin, 1788) -- invalid -- Hawaiian 'Akialoa, Lesser Akialoa
  Hemignathus parvus (Stejneger, 1887) -- invalid -- 'Anianiau, Anianiau
  Hemignathus virens (J. F. Gmelin, 1788) -- invalid -- Common 'Amakihi, Hawaii Amakihi
  Hemignathus wilsoni (Rothschild, 1893) -- valid -- Akiapolaau
  Hemiphaga Bonaparte, 1854 -- valid
  Hemiphaga novaeseelandiae (J. F. Gmelin, 1789) -- valid -- New Zealand Pigeon
  Hemiprocne Nitzsch, 1829 -- valid
  Hemiprocne comata (Temminck, 1824) -- valid -- Whiskered Treeswift
  Hemiprocne coronata (Tickell, 1833) -- valid -- Crested Treeswift
  Hemiprocne longipennis (Rafinesque, 1802) -- valid -- Grey-rumped Treeswift
  Hemiprocne mystacea (R. Lesson & Garnot, 1827) -- valid -- Moustached Treeswift
  Hemiprocnidae -- valid -- Treeswifts
  Hemipus Hodgson, 1844 -- valid
  Hemipus hirundinaceus (Temminck, 1822) -- valid -- Black-winged Flycatcher-shrike
  Hemipus picatus (Sykes, 1832) -- valid -- Bar-winged Flycatcher-shrike
  Hemispingus Cabanis, 1851 -- invalid
  Hemispingus atropileus (Lafresnaye, 1842) -- invalid -- Black-capped Hemispingus
  Hemispingus calophrys (P. L. Sclater & Salvin, 1876) -- invalid -- Orange-browed Hemispingus
  Hemispingus frontalis (Tschudi, 1844) -- invalid -- Oleaginous Hemispingus
  Hemispingus goeringi (P. L. Sclater & Salvin, 1871) -- invalid -- Slaty-backed Hemispingus
  Hemispingus melanotis (P. L. Sclater, 1855) -- invalid -- Black-eared Hemispingus
  Hemispingus parodii Weske & Terborgh, 1974 -- invalid -- Parodi's Hemispingus
  Hemispingus reyi (Berlepsch, 1885) -- invalid -- Grey-capped Hemispingus
  Hemispingus rufosuperciliaris Blake & Hocking, 1974 -- invalid -- Rufous-browed Hemispingus
  Hemispingus superciliaris (Lafresnaye, 1840) -- invalid -- Superciliaried Hemispingus, Eyebrowed Hemispingus
  Hemispingus trifasciatus (Taczanowski, 1874) -- invalid -- Three-striped Hemispingus
  Hemispingus verticalis (Lafresnaye, 1840) -- invalid -- Black-headed Hemispingus
  Hemispingus xanthophthalmus (Taczanowski, 1874) -- invalid -- Drab Hemispingus
  Hemitesia Chapin, 1948 -- invalid
  Hemitesia neumanni (Rothschild, 1908) -- invalid -- Neumann's Warbler
  Hemithraupis Cabanis, 1851 -- valid
  Hemithraupis flavicollis (Vieillot, 1818) -- valid -- Yellow-backed Tanager, Tangara à dos jaune, Tangara gorjigualda, saíra-galega
  Hemithraupis guira (Linnaeus, 1766) -- valid -- Guira Tanager, Tangara guira, Tangara guirá, saíra-de-papo-preto
  Hemithraupis ruficapilla (Vieillot, 1818) -- valid -- Rufous-headed Tanager, Tangara à tête rousse, Tangara cabecirrufa, saíra-ferrugem
  Hemitriccus Cabanis & Heine, 1859 -- valid
  Hemitriccus aenigma (Zimmer, 1940) -- invalid
  Hemitriccus cinnamomeipectus Fitzpatrick & O'Neill, 1979 -- valid -- Cinnamon-breasted Tody-Tyrant
  Hemitriccus diops (Temminck, 1822) -- valid -- Drab-breasted Bamboo Tyrant
  Hemitriccus flammulatus Berlepsch, 1901 -- valid -- Flammulated Bamboo Tyrant
  Hemitriccus furcatus (Lafresnaye, 1846) -- valid -- Fork-tailed Tody-Tyrant
  Hemitriccus granadensis (Hartlaub, 1843) -- valid -- Black-throated Tody-Tyrant
  Hemitriccus inornatus (Pelzeln, 1868) -- valid -- Pelzeln's Tody-Tyrant
  Hemitriccus iohannis (E. Snethlage, 1907) -- valid -- Johannes's Tody-Tyrant
  Hemitriccus josephinae (Chubb, 1914) -- valid -- Boat-billed Tody-Tyrant
  Hemitriccus kaempferi (Zimmer, 1953) -- valid -- Kaempfer's Tody-Tyrant
  Hemitriccus margaritaceiventer (Orbigny & Lafresnaye, 1837) -- valid -- Pearly-vented Tody-Tyrant
  Hemitriccus minor (E. Snethlage, 1907) -- valid -- Snethlage's Tody-Tyrant
  Hemitriccus mirandae (E. Snethlage, 1925) -- valid -- Buff-breasted Tody-Tyrant
  Hemitriccus nidipendulus (Wied-Neuwied, 1831) -- valid -- Hangnest Tody-Tyrant
  Hemitriccus obsoletus (Ribeiro, 1906) -- valid -- Brown-breasted Bamboo Tyrant
  Hemitriccus orbitatus (Wied-Neuwied, 1831) -- valid -- Eye-ringed Tody-Tyrant
  Hemitriccus rufigularis (Cabanis, 1873) -- valid -- Buff-throated Tody-Tyrant
  Hemitriccus spodiops (Berlepsch, 1901) -- valid -- Yungas Tody-Tyrant
  Hemitriccus striaticollis (Lafresnaye, 1853) -- valid -- Stripe-necked Tody-Tyrant
  Hemitriccus zosterops (Pelzeln, 1868) -- valid -- White-eyed Tody-Tyrant
  Hemixos Blyth, 1845 -- valid
  Hemixos castanonotus Swinhoe, 1870 -- valid -- Chestnut Bulbul
  Hemixos flavala Blyth, 1845 -- valid -- Ashy Bulbul
  Henicopernis G. R. Gray, 1859 -- valid
  Henicopernis infuscatus Gurney, 1882 -- valid -- Black Honey Buzzard
  Henicopernis longicauda (Lesson & Garnot, 1828) -- valid -- Long-tailed Honey Buzzard
  Henicophaps G. R. Gray, 1862 -- valid
  Henicophaps albifrons G. R. Gray, 1862 -- valid -- New Guinea Bronzewing
  Henicophaps foersteri Rothschild & Hartert, 1906 -- valid -- New Britain Bronzewing
  Henicorhina P. L. Sclater & Salvin, 1868 -- valid
  Henicorhina leucophrys (Tschudi, 1844) -- valid -- Chivirín pecho gris, Grey-breasted Wood Wren, Gray-breasted Wood-Wren
  Henicorhina leucoptera Fitzpatrick, Terborgh & Willard, 1977 -- valid -- Bar-winged Wood Wren
  Henicorhina leucosticta (Cabanis, 1847) -- valid -- Chivirín pecho blanco, White-breasted Wood Wren, White-breasted Wood-Wren
  Herpetotheres Vieillot, 1817 -- valid
  Herpetotheres cachinnans (Linnaeus, 1758) -- valid -- Laughing Falcon, Halcón guaco, Macagua rieur, Halcón reidor, acauã
  Herpsilochmus Cabanis, 1847 -- valid
  Herpsilochmus atricapillus Pelzeln, 1868 -- valid -- Black-capped Antwren
  Herpsilochmus axillaris (Tschudi, 1844) -- valid -- Yellow-breasted Antwren
  Herpsilochmus dorsimaculatus Pelzeln, 1868 -- valid -- Spot-backed Antwren
  Herpsilochmus longirostris Pelzeln, 1868 -- valid -- Large-billed Antwren
  Herpsilochmus motacilloides Taczanowski, 1874 -- valid -- Creamy-bellied Antwren
  Herpsilochmus parkeri Davis & O'Neill, 1986 -- valid -- Ash-throated Antwren
  Herpsilochmus pectoralis P. L. Sclater, 1857 -- valid -- Pectoral Antwren
  Herpsilochmus pileatus (Lichtenstein, 1823) -- valid -- Bahia Antwren
  Herpsilochmus roraimae Hellmayr, 1903 -- valid -- Roraiman Antwren
  Herpsilochmus rufimarginatus (Temminck, 1822) -- valid -- Rufous-winged Antwren
  Herpsilochmus stictocephalus Todd, 1927 -- valid -- Todd's Antwren
  Herpsilochmus sticturus Salvin, 1885 -- valid -- Spot-tailed Antwren
  Hesperiphona Bonaparte, 1850 -- valid
  Hesperiphona abeillei (Lesson, 1839) -- valid -- Hooded Grosbeak
  Hesperiphona vespertina (W. Cooper, 1825) -- valid -- Evening Grosbeak
  Heteralocha Cabanis, 1851 -- valid
  Heteralocha acutirostris (Gould, 1837) -- valid -- Huia
  Heterocercus P. L. Sclater, 1862 -- valid
  Heterocercus aurantiivertex P. L. Sclater & Salvin, 1880 -- valid -- Orange-crested Manakin
  Heterocercus flavivertex Pelzeln, 1868 -- valid -- Yellow-crested Manakin
  Heterocercus linteatus (Strickland, 1850) -- valid -- Flame-crested Manakin
  Heteromirafra Grant, 1913 -- valid
  Heteromirafra archeri S. Clarke, 1920 -- valid -- Archer's Lark
  Heteromirafra ruddi (Grant, 1908) -- valid -- Rudd's Lark
  Heteromirafra sidamoensis (Erard, 1975) -- valid -- Sidamo Lark
  Heteromunia Mathews, 1913 -- valid
  Heteromunia pectoralis (Gould, 1841) -- valid -- Pictorella Munia
  Heteromyias Sharpe, 1879 -- valid
  Heteromyias albispecularis (Salvadori, 1876) -- valid
  Heteromyias cinereifrons (E. P. Ramsay, 1876) -- valid
  Heteronetta Salvadori, 1866 -- valid
  Heteronetta atricapilla (Merrem, 1841) -- valid -- Black-headed Duck, Hétéronette à tête noire, Pato rinconero, marreca-de-cabeça-preta
  Heterophasia Blyth, 1842 -- valid
  Heterophasia annectens (Blyth, 1847) -- invalid
  Heterophasia auricularis (Swinhoe, 1864) -- valid -- White-eared Sibia
  Heterophasia capistrata (Vigors, 1831) -- valid -- Rufous Sibia
  Heterophasia gracilis (Horsfield, 1840) -- valid -- Grey Sibia
  Heterophasia melanoleuca (Blyth, 1859) -- valid -- Dark-backed Sibia
  Heterophasia picaoides (Hodgson, 1839) -- valid -- Long-tailed Sibia
  Heterophasia pulchella (Godwin-Austen, 1874) -- valid -- Beautiful Sibia
  Heteroscelus Baird, 1858 -- invalid -- Tattlers
  Heteroscelus brevipes (Vieillot, 1816) -- invalid -- Gray-tailed Tattler, Grey-tailed Tattler
  Heteroscelus incanus (J. F. Gmelin, 1789) -- invalid -- Playero vagabundo, Wandering Tattler
  Heterospingus Ridgway, 1898 -- valid
  Heterospingus rubrifrons (Lawrence, 1865) -- valid -- Sulphur-rumped Tanager, Tangara à croupion jaune, Tangara lomiazufrada
  Heterospingus xanthopygius (P. L. Sclater, 1855) -- valid -- Scarlet-browed Tanager, Tangara à sourcils roux, Tangara cejirroja
  Heteroxolmis W. Lanyon, 1986 -- valid
  Heteroxolmis dominicana (Vieillot, 1823) -- valid
  Hieraaetus Kaup, 1844 -- valid
  Hieraaetus ayresii (Gurney, 1862) -- valid -- Ayres's Hawk-Eagle
  Hieraaetus fasciatus (Vieillot, 1822) -- invalid -- Bonelli's Eagle
  Hieraaetus kienerii (Geoffroy Saint-Hilaire, 1835) -- invalid -- Rufous-bellied Eagle
  Hieraaetus morphnoides (Gould, 1841) -- valid -- Little Eagle
  Hieraaetus pennatus (Gmelin, 1788) -- valid -- Booted Eagle
  Hieraaetus spilogaster (Bonaparte, 1850) -- invalid -- African Hawk-Eagle
  Himantopus Brisson, 1760 -- valid -- Stilts
  Himantopus himantopus (Linnaeus, 1758) -- valid -- Black-winged Stilt, Échasse blanche, Cigüeñuela común, pernilongo
  Himantopus leucocephalus Gould, 1837 -- valid -- White-headed Stilt, Pied Stilt, Échasse d'Australie, Cigüeñuela Pechirroja
  Himantopus melanurus Vieillot, 1817 -- valid -- White-backed Stilt, Échasse à queue noire, Cigüeñuela Americana, pernilongo-de-costas-brancas
  Himantopus mexicanus (P. L. S. Müller, 1776) -- valid -- Ae'o, Hawaiian Stilt, Candelero americano, Black-necked Stilt, echasse d'Amérique, Échasse d'Amérique, Cigüeñuela de Cuello Negro, pernilongo-de-costas-negras
  Himantopus novaezelandiae Gould, 1841 -- valid -- Black Stilt, Échasse noire, Cigüeñuela negra, pernilongo-da-nova-zelândia
  Himantornis Hartlaub, 1855 -- valid
  Himantornis haematopus Hartlaub, 1855 -- valid -- Nkulengu Rail
  Himatione Cabanis, 1850 -- valid -- 'Apapanes
  Himatione sanguinea (J. F. Gmelin, 1788) -- valid -- Apapane
  Hippolais Conrad von Baldenstein, 1827 -- valid
  Hippolais caligata (Lichtenstein, 1823) -- invalid -- Booted Warbler
  Hippolais icterina (Vieillot, 1817) -- valid -- Icterine Warbler
  Hippolais languida (Hemprich & Ehrenberg, 1833) -- valid -- Upcher's Warbler
  Hippolais olivetorum (Strickland, 1837) -- valid -- Olive-tree Warbler
  Hippolais pallida (Hemprich & Ehrenberg, 1833) -- invalid -- Eastern Olivaceous Warbler
  Hippolais polyglotta (Vieillot, 1817) -- valid -- Melodious Warbler
  Hippolais rama (Sykes, 1832) -- invalid -- Sykes's Warbler
  Hirundapus Hodgson, 1837 -- valid -- Needletails
  Hirundapus caudacutus (Latham, 1801) -- valid -- White-throated Needletail
  Hirundapus celebensis (P. L. Sclater, 1866) -- valid -- Purple Needletail
  Hirundapus cochinchinensis (Oustalet, 1878) -- valid -- Silver-backed Needletail
  Hirundapus giganteus (Temminck, 1825) -- valid -- Brown-backed Needletail
  Hirundinea Orbigny & Lafresnaye, 1837 -- valid
  Hirundinea bellicosa (Vieillot, 1819) -- invalid
  Hirundinea ferruginea (Gmelin, 1788) -- valid -- Cliff Flycatcher
  Hirundinidae Rafinesque, 1815 -- valid
  Hirundo Linnaeus, 1758 -- valid -- Barn Swallows
  Hirundo abyssinica Guerin-Meneville, 1843 -- invalid
  Hirundo aethiopica Blanford, 1869 -- valid -- Ethiopian Swallow
  Hirundo albigularis Strickland, 1849 -- valid -- White-throated Swallow
  Hirundo andecola Orbigny & Lafresnaye, 1837 -- invalid
  Hirundo angolensis Bocage, 1868 -- valid -- Angola Swallow
  Hirundo ariel (Gould, 1842) -- invalid
  Hirundo atrocaerulea Sundevall, 1850 -- valid -- Blue Swallow
  Hirundo concolor Sykes, 1832 -- invalid
  Hirundo cucullata Boddaert, 1783 -- invalid
  Hirundo daurica Laxmann, 1769 -- invalid
  Hirundo dimidiata Sundevall, 1850 -- valid -- Pearl-breasted Swallow
  Hirundo domicella Hartlaub & Finsch, 1870 -- invalid
  Hirundo domicola Jerdon, 1841 -- valid
  Hirundo fluvicola Blyth, 1855 -- invalid
  Hirundo fuliginosa (Chapin, 1925) -- invalid
  Hirundo fuligula Lichtenstein, 1842 -- invalid
  Hirundo griseopyga Sundevall, 1850 -- invalid
  Hirundo leucosoma Swainson, 1837 -- valid -- Pied-winged Swallow
  Hirundo lucida Hartlaub, 1858 -- valid -- Red-chested Swallow
  Hirundo megaensis Benson, 1942 -- valid -- White-tailed Swallow
  Hirundo neoxena Gould, 1842 -- valid -- Welcome Swallow
  Hirundo nigricans Vieillot, 1817 -- invalid
  Hirundo nigrita G. R. Gray, 1845 -- valid -- White-bibbed Swallow
  Hirundo nigrorufa Bocage, 1877 -- valid -- Black-and-rufous Swallow
  Hirundo obsoleta (Cabanis, 1850) -- invalid
  Hirundo perdita Fry & Smith, 1985 -- invalid
  Hirundo preussi (Reichenow, 1898) -- invalid
  Hirundo rufigula Bocage, 1878 -- invalid
  Hirundo rufocollaris Peale, 1848 -- invalid
  Hirundo rupestris Scopoli, 1769 -- invalid
  Hirundo rustica Linnaeus, 1758 -- valid -- Golondrina tijereta, Barn Swallow, hirondelle rustique
  Hirundo semirufa Sundevall, 1850 -- invalid
  Hirundo senegalensis Linnaeus, 1766 -- invalid
  Hirundo smithii Leach & K. D. Koenig, 1818 -- valid -- Wire-tailed Swallow
  Hirundo spilodera Sundevall, 1850 -- invalid
  Hirundo striolata Schlegel, 1844 -- invalid
  Hirundo tahitica Gmelin, 1789 -- valid -- Pacific Swallow
  Histrionicus R. Lesson, 1828 -- valid -- Harlequin Ducks
  Histrionicus histrionicus (Linnaeus, 1758) -- valid -- Pato arlequín, Harlequin Duck, Arlequin plongeur, pato-arlequim
  Histurgops Reichenow, 1887 -- valid
  Histurgops ruficauda Reichenow, 1887 -- valid -- Rufous-tailed Weaver
  Hodgsonius Bonaparte, 1850 -- valid
  Hodgsonius phaenicuroides (J. E. Gray & G. R. Gray, 1847) -- invalid
  Horizorhinus Oberholser, 1899 -- valid
  Horizorhinus dohrni (Hartlaub, 1866) -- valid -- Dohrn's Thrush-Babbler
  Humblotia Milne-Edwards & Oustalet, 1885 -- valid
  Humblotia flavirostris Milne-Edwards & Oustalet, 1885 -- valid -- Humblot's Flycatcher
  Hydrobates F. Boie, 1822 -- valid
  Hydrobates pelagicus (Linnaeus, 1758) -- valid -- European Storm Petrel, European Storm-Petrel, Océanite tempête
  Hydrochous Brooke, 1970 -- valid
  Hydrochous gigas (Hartert & A. L. Butler, 1901) -- valid -- Giant Swiftlet
  Hydrophasianus Wagler, 1832 -- valid
  Hydrophasianus chirurgus (Scopoli, 1786) -- valid -- Pheasant-tailed Jacana, Jacana à longue queue, Jacana colilarga, jaçanã-rabo-de-faisão
  Hydropsalis Wagler, 1832 -- valid
  Hydropsalis brasiliana (Gmelin, 1789) -- invalid
  Hydropsalis climacocerca (Tschudi, 1844) -- valid -- Ladder-tailed Nightjar
  Hyetornis P. L. Sclater, 1862 -- valid
  Hyetornis pluvialis (Gmelin, 1788) -- valid -- Chestnut-bellied Cuckoo
  Hyetornis rufigularis (Hartlaub, 1852) -- valid -- Bay-breasted Cuckoo
  Hylacola Gould, 1843 -- invalid
  Hylacola cautus Gould, 1843 -- invalid
  Hylacola pyrrhopygius (Vigors & Horsfield, 1827) -- invalid
  Hylexetastes P. L. Sclater, 1889 -- valid
  Hylexetastes brigidai Cardoso da Silva, Novaes & Oren, 1995 -- invalid
  Hylexetastes perrotii (Lafresnaye, 1844) -- valid -- Red-billed Woodcreeper
  Hylexetastes stresemanni E. Snethlage, 1925 -- valid -- Bar-bellied Woodcreeper
  Hylexetastes uniformis Hellmayr, 1909 -- invalid
  Hylia Cassin, 1859 -- valid
  Hylia prasina (Cassin, 1855) -- valid -- Green Hylia
  Hyliota Swainson, 1837 -- valid
  Hyliota australis Shelley, 1882 -- valid -- Southern Hyliota
  Hyliota flavigaster Swainson, 1837 -- valid -- Yellow-bellied Hyliota
  Hyliota violacea J. Verreaux & E. Verreaux, 1851 -- valid -- Violet-backed Hyliota
  Hylocharis F. Boie, 1831 -- valid
  Hylocharis chrysura (Shaw, 1812) -- valid -- Gilded Hummingbird, Gilded Sapphire
  Hylocharis cyanus (Vieillot, 1818) -- invalid -- White-chinned Sapphire
  Hylocharis eliciae (Bourcier & Mulsant, 1846) -- invalid -- Blue-throated Goldentail, Zafiro garganta azul, Blue-throated Sapphire
  Hylocharis grayi (Delattre & Bourcier, 1846) -- invalid -- Blue-headed Sapphire
  Hylocharis leucotis (Vieillot, 1818) -- invalid -- White-eared Hummingbird, Zafiro oreja blanca
  Hylocharis pyropygia (Salvin & Godman, 1881) -- invalid
  Hylocharis sapphirina (J. F. Gmelin, 1788) -- valid -- Rufous-throated Sapphire
  Hylocharis xantusii (Lawrence, 1861) -- invalid -- Zafiro de Xantus, Xantus's Hummingbird
  Hylocichla S. F. Baird, 1864 -- valid -- Wood Thrushes
  Hylocichla mustelina (Gmelin, 1789) -- valid -- Zorzal maculado, Wood Thrush, grive des bois
  Hylocitrea Mathews, 1925 -- valid
  Hylocitrea bonensis (A. B. Meyer & Wiglesworth, 1894) -- valid -- Yellow-flanked Whistler
  Hylocryptus Chapman, 1919 -- valid
  Hylocryptus erythrocephalus Chapman, 1919 -- valid -- Henna-hooded Foliage-gleaner
  Hylocryptus rectirostris (Wied-Neuwied, 1831) -- valid -- Henna-capped Foliage-gleaner
  Hyloctistes Ridgway, 1909 -- valid
  Hyloctistes subulatus (Spix, 1824) -- valid -- Striped Woodhaunter, Eastern Woodhaunter
  Hylomanes M. H. K. Lichtenstein, 1839 -- valid
  Hylomanes momotula M. H. K. Lichtenstein, 1839 -- valid -- Momoto enano, Tody Motmot, Motmot nain
  Hylonympha Gould, 1873 -- valid
  Hylonympha macrocerca Gould, 1873 -- valid -- Scissor-tailed Hummingbird
  Hylopezus Ridgway, 1909 -- valid
  Hylopezus berlepschi (Hellmayr, 1903) -- valid -- Amazonian Antpitta
  Hylopezus dives (Salvin, 1865) -- valid -- Thicket Antpitta
  Hylopezus fulviventris (P. L. Sclater, 1858) -- valid -- White-lored Antpitta
  Hylopezus macularius (Temminck, 1830) -- valid -- Spotted Antpitta
  Hylopezus nattereri (Pinto, 1937) -- valid -- Speckle-breasted Antpitta
  Hylopezus ochroleucus (Wied-Neuwied, 1831) -- valid -- White-browed Antpitta
  Hylopezus perspicillatus (Lawrence, 1861) -- valid -- Streak-chested Antpitta
  Hylophilus Temminck, 1822 -- valid
  Hylophilus amaurocephalus (Nordmann, 1835) -- valid -- Grey-eyed Greenlet
  Hylophilus aurantiifrons Lawrence, 1861 -- valid -- Golden-fronted Greenlet
  Hylophilus brunneiceps P. L. Sclater, 1866 -- valid -- Brown-headed Greenlet
  Hylophilus decurtatus (Bonaparte, 1838) -- valid -- Verdillo gris, Lesser Greenlet
  Hylophilus flavipes Lafresnaye, 1845 -- valid -- Scrub Greenlet
  Hylophilus hypoxanthus Pelzeln, 1868 -- valid -- Dusky-capped Greenlet
  Hylophilus muscicapinus P. L. Sclater & Salvin, 1873 -- valid -- Buff-cheeked Greenlet
  Hylophilus ochraceiceps P. L. Sclater, 1860 -- valid -- Verdillo ocre, Tawny-crowned Greenlet
  Hylophilus olivaceus Tschudi, 1844 -- valid -- Olivaceous Greenlet
  Hylophilus pectoralis P. L. Sclater, 1866 -- valid -- Ashy-headed Greenlet
  Hylophilus poicilotis Temminck, 1822 -- valid -- Rufous-crowned Greenlet
  Hylophilus sclateri Salvin & Godman, 1883 -- valid -- Tepui Greenlet
  Hylophilus semibrunneus Lafresnaye, 1845 -- valid -- Rufous-naped Greenlet
  Hylophilus semicinereus P. L. Sclater & Salvin, 1867 -- valid -- Grey-chested Greenlet
  Hylophilus thoracicus Temminck, 1822 -- valid -- Lemon-chested Greenlet
  Hylophylax Ridgway, 1909 -- valid
  Hylophylax naevia (Gmelin, 1789) -- invalid
  Hylophylax naevioides (Lafresnaye, 1847) -- valid -- Spotted Antbird
  Hylophylax poecilonota (Cabanis, 1847) -- invalid
  Hylophylax punctulata (Des Murs, 1856) -- invalid
  Hylorchilus Nelson, 1897 -- valid
  Hylorchilus navai Crossin & Ely, 1973 -- valid -- Chivirín de Nava, Nava's Wren
  Hylorchilus sumichrasti (Lawrence, 1871) -- valid -- Chivirín de Sumichrast, Sumichrast's Wren
  Hymenolaimus G. R. Gray, 1843 -- valid
  Hymenolaimus malacorhynchus (J. F. Gmelin, 1789) -- invalid
  Hymenops Lesson, 1828 -- valid
  Hymenops perspicillatus (Gmelin, 1789) -- valid -- Spectacled Tyrant
  Hypargos Reichenbach, 1862 -- valid
  Hypargos margaritatus (Strickland, 1844) -- valid -- Pink-throated Twinspot
  Hypargos niveoguttatus (W. Peters, 1868) -- valid -- Red-throated Twinspot
  Hypergerus Reichenbach, 1850 -- valid
  Hypergerus atriceps (Lesson, 1831) -- valid -- Oriole Warbler
  Hypnelus Cabanis & Heine, 1863 -- valid
  Hypnelus ruficollis (Wagler, 1829) -- valid -- Russet-throated Puffbird
  Hypocnemis Cabanis, 1847 -- valid
  Hypocnemis cantator (Boddaert, 1783) -- valid -- Warbling Antbird
  Hypocnemis hypoxantha P. L. Sclater, 1869 -- valid -- Yellow-browed Antbird
  Hypocnemoides Bangs & T. E. Penard, 1918 -- valid
  Hypocnemoides maculicauda (Pelzeln, 1868) -- valid -- Band-tailed Antbird
  Hypocnemoides melanopogon (P. L. Sclater, 1857) -- valid -- Black-chinned Antbird
  Hypocolidae -- invalid
  Hypocolius Bonaparte, 1850 -- valid
  Hypocolius ampelinus Bonaparte, 1850 -- valid -- Hypocolius
  Hypocryptadius Hartert, 1903 -- valid
  Hypocryptadius cinnamomeus Hartert, 1903 -- valid -- Cinnamon Ibon
  Hypoedaleus Cabanis & Heine, 1859 -- valid
  Hypoedaleus guttatus (Vieillot, 1816) -- valid -- Spot-backed Antshrike
  Hypogramma Reichenbach, 1853 -- valid
  Hypogramma hypogrammicum (S. Muller, 1843) -- valid -- Purple-naped Sunbird
  Hypopyrrhus Bonaparte, 1850 -- valid
  Hypopyrrhus pyrohypogaster (Tarragon, 1847) -- valid -- Red-bellied Grackle
  Hypositta A. Newton, 1881 -- valid
  Hypositta corallirostris (A. Newton, 1863) -- valid -- Nuthatch Vanga
  Hypositta perdita D. S. Peters, 1996 -- valid
  Hypothymis F. Boie, 1826 -- valid
  Hypothymis azurea (Boddaert, 1783) -- valid -- Black-naped Monarch
  Hypothymis coelestis Tweeddale, 1877 -- valid -- Celestial Monarch
  Hypothymis helenae (Steere, 1890) -- valid -- Short-crested Monarch
  Hypsipetes Vigors, 1831 -- valid
  Hypsipetes borbonicus (J. R. Forster, 1781) -- valid -- Reunion Bulbul
  Hypsipetes crassirostris E. Newton, 1867 -- valid -- Seychelles Bulbul
  Hypsipetes leucocephalus (Gmelin, 1789) -- valid -- Black Bulbul
  Hypsipetes madagascariensis (Statius Muller, 1776) -- valid -- Malagasy Bulbul
  Hypsipetes mcclellandii Horsfield, 1840 -- invalid
  Hypsipetes nicobariensis Moore, 1854 -- invalid
  Hypsipetes parvirostris Milne-Edwards & Oustalet, 1885 -- valid -- Comoros Bulbul
  Hypsipetes thompsoni (Bingham, 1900) -- invalid
  Hypsipetes virescens (Temminck, 1825) -- invalid
  Ibidorhyncha Vigors, 1832 -- valid
  Ibidorhyncha struthersii Vigors, 1832 -- valid -- Ibisbill, Bec-d'ibis tibétain, Picoibis, bico-de-íbis
  Ichthyophaga Lesson, 1843 -- invalid
  Ichthyophaga humilis (S. Muller & Schlegel, 1841) -- invalid -- Lesser Fish Eagle
  Ichthyophaga ichthyaetus (Horsfield, 1821) -- invalid -- Grey-headed Fish Eagle
  Icteria Vieillot, 1808 -- valid -- Chats
  Icteria virens (Linnaeus, 1758) -- valid -- Buscabreña, Yellow-breasted Chat, Paruline polyglotte
  Icterus Brisson, 1760 -- valid -- American Orioles
  Icterus abeillei (Lesson, 1839) -- valid -- Black-backed Oriole
  Icterus auratus Bonaparte, 1850 -- valid -- Bolsero yucateco, Orange Oriole
  Icterus auricapillus Cassin, 1848 -- valid -- Orange-crowned Oriole
  Icterus bonana (Linnaeus, 1766) -- valid -- Martinique Oriole
  Icterus bullockii (Swainson, 1827) -- valid -- Bolsero calandria, Bullock's Oriole
  Icterus cayanensis (Linnaeus, 1766) -- valid -- Epaulet Oriole
  Icterus chrysater (Lesson, 1844) -- valid -- Bolsero dorso dorado, Yellow-backed Oriole
  Icterus chrysocephalus (Linnaeus, 1766) -- invalid -- Moriche Oriole
  Icterus cucullatus Swainson, 1827 -- valid -- Hooded Oriole, Bolsero encapuchado
  Icterus dominicensis (Linnaeus, 1766) -- valid -- Black-cowled Oriole, Bolsero dominico, Greater Antillean Oriole
  Icterus galbula (Linnaeus, 1758) -- valid -- Northern Oriole, Bolsero de Baltimore, Baltimore Oriole, oriole du nord
  Icterus graceannae Cassin, 1867 -- valid -- White-edged Oriole
  Icterus graduacauda Lesson, 1839 -- valid -- Audubon's Oriole, Bolsero cabeza negra
  Icterus gularis (Wagler, 1829) -- valid -- Altamira Oriole, Bolsero de Altamira
  Icterus icterus (Linnaeus, 1766) -- valid -- Troupial, Venezuelan Troupial
  Icterus jamacaii (Gmelin, 1788) -- invalid -- Campo Troupial
  Icterus laudabilis P. L. Sclater, 1871 -- valid -- St. Lucia Oriole
  Icterus leucopteryx (Wagler, 1827) -- valid -- Jamaican Oriole
  Icterus maculialatus Cassin, 1848 -- valid -- Bolsero guatemalteco, Bar-winged Oriole
  Icterus mesomelas (Wagler, 1829) -- valid -- Bolsero cola amarilla, Yellow-tailed Oriole
  Icterus nigrogularis (Hahn, 1819) -- valid -- Yellow Oriole
  Icterus oberi Lawrence, 1880 -- valid -- Montserrat Oriole
  Icterus parisorum Bonaparte, 1838 -- valid -- Scott's Oriole, Bolsero tunero
  Icterus pectoralis (Wagler, 1829) -- valid -- Spot-breasted Oriole, Bolsero pecho manchado
  Icterus pustulatus (Wagler, 1829) -- valid -- Streak-backed Oriole, Bolsero dorso rayado
  Icterus spurius (Linnaeus, 1766) -- valid -- Bolsero castaño, Orchard Oriole, oriole des vergers
  Icterus wagleri P. L. Sclater, 1857 -- valid -- Black-vented Oriole, Bolsero de Wagler
  Ictinaetus Blyth, 1843 -- valid
  Ictinaetus malayensis (Temminck, 1822) -- valid -- Black Eagle
  Ictinia Vieillot, 1816 -- valid -- Mississippi Kites
  Ictinia mississippiensis (A. Wilson, 1811) -- valid -- Milano de Misisipi, Mississippi Kite, Milan du Mississippi
  Ictinia plumbea (Gmelin, 1788) -- valid -- Milano plomizo, Plumbeous Kite, Milan bleuâtre
  Idiopsar Cassin, 1867 -- valid
  Idiopsar brachyurus Cassin, 1867 -- valid -- Short-tailed Finch, Boulder Finch, Idiopsar à queue courte, Yal colicorto
  Ifrita Rothschild, 1898 -- valid
  Ifrita kowaldi (De Vis, 1890) -- valid -- Ifrit
  Ilicura Reichenbach, 1850 -- valid
  Ilicura militaris (Shaw, 1809) -- valid -- Pin-tailed Manakin
  Illadopsis Heine, 1860 -- valid
  Illadopsis abyssinica (Rüppell, 1840) -- invalid
  Illadopsis albipectus (Reichenow, 1888) -- valid -- Scaly-breasted Illadopsis
  Illadopsis atriceps (Sharpe, 1902) -- invalid
  Illadopsis cleaveri (Shelley, 1874) -- valid -- Blackcap Illadopsis
  Illadopsis fulvescens (Cassin, 1859) -- valid -- Brown Illadopsis
  Illadopsis puveli (Salvadori, 1901) -- valid -- Puvel's Illadopsis
  Illadopsis pyrrhoptera (Reichenow & Neumann, 1895) -- valid -- Mountain Illadopsis
  Illadopsis rufescens (Reichenow, 1878) -- valid -- Rufous-winged Illadopsis
  Illadopsis rufipennis (Sharpe, 1872) -- valid -- Pale-breasted Illadopsis
  Incaspiza Ridgway, 1898 -- valid
  Incaspiza laeta (Salvin, 1895) -- valid -- Buff-bridled Inca Finch, Incaspize à moustaches, Incaspiza bigotudo, Buff-bridled Inca-Finch, Buff-bridled Inca-finch
  Incaspiza ortizi J. T. Zimmer, 1952 -- valid -- Grey-winged Inca Finch, Incaspize d'Ortiz, Incaspiza aligrís, Gray-winged Inca-Finch, Grey-winged Inca-finch
  Incaspiza personata (Salvin, 1895) -- valid -- Rufous-backed Inca Finch, Incaspize costumé, Incaspiza dorsirrufo, Rufous-backed Inca-Finch, Rufous-backed Inca-finch
  Incaspiza pulchra (P. L. Sclater, 1886) -- valid -- Great Inca Finch, Incaspize remarquable, Incaspiza alirrufo, Great Inca-Finch, Great Inca-finch
  Incaspiza watkinsi Chapman, 1925 -- valid -- Little Inca Finch, Incaspize de Watkins, Incaspiza chico, Little Inca-Finch, Little Inca-finch
  Indicator Stephens, 1815 -- valid
  Indicator archipelagicus Temminck, 1832 -- valid -- Malaysian Honeyguide
  Indicator conirostris (Cassin, 1856) -- valid -- Thick-billed Honeyguide
  Indicator exilis (Cassin, 1856) -- valid -- Least Honeyguide
  Indicator indicator (Sparrman, 1777) -- valid -- Greater Honeyguide
  Indicator maculatus G. R. Gray, 1847 -- valid -- Spotted Honeyguide
  Indicator meliphilus (Oberholser, 1905) -- valid -- Pallid Honeyguide
  Indicator minor Stephens, 1815 -- valid -- Lesser Honeyguide
  Indicator pumilio Chapin, 1958 -- valid -- Dwarf Honeyguide
  Indicator variegatus R. Lesson, 1830 -- valid -- Scaly-throated Honeyguide
  Indicator willcocksi Alexander, 1901 -- valid -- Willcocks's Honeyguide
  Indicator xanthonotus Blyth, 1842 -- valid -- Yellow-rumped Honeyguide
  Indicatoridae -- valid -- Honeyguides
  Inezia Cherrie, 1909 -- valid
  Inezia inornata (Salvadori, 1897) -- valid -- Plain Inezia
  Inezia subflava (P. L. Sclater & Salvin, 1873) -- valid -- Amazonian Inezia
  Inezia tenuirostris (Cory, 1913) -- valid -- Slender-billed Inezia
  Iodopleura Lesson, 1839 -- valid
  Iodopleura fusca (Vieillot, 1817) -- valid -- Dusky Purpletuft
  Iodopleura isabellae Parzudaki, 1847 -- valid -- White-browed Purpletuft
  Iodopleura pipra (Lesson, 1831) -- valid -- Buff-throated Purpletuft
  Iole Blyth, 1844 -- valid
  Iole indica (Jerdon, 1839) -- invalid
  Iole olivacea Blyth, 1844 -- valid -- Buff-vented Bulbul
  Iole propinqua (Oustalet, 1903) -- valid -- Grey-eyed Bulbul
  Iole virescens Blyth, 1845 -- valid -- Olive Bulbul
  Irania Filippi, 1863 -- valid
  Irania gutturalis (Guerin-Meneville, 1843) -- valid -- White-throated Robin
  Irediparra Mathews, 1911 -- valid
  Irediparra gallinacea (Temminck, 1828) -- valid -- Comb-crested Jacana, Jacana à crête, Jacana crestada, jaçanã-de-crista
  Irena Horsfield, 1821 -- valid
  Irena cyanogaster Vigors, 1831 -- invalid
  Irena puella (Latham, 1790) -- valid -- Asian Fairy-bluebird
  Irenidae Jerdon, 1863 -- valid
  Iridophanes Ridgway, 1901 -- valid
  Iridophanes pulcherrima (P. L. Sclater, 1853) -- invalid -- Golden-collared Honeycreeper
  Iridosornis R. Lesson, 1844 -- valid
  Iridosornis analis (Tschudi, 1844) -- valid -- Yellow-throated Tanager, Tangara à bavette jaune, Tangara goliamarilla
  Iridosornis jelskii Cabanis, 1873 -- valid -- Golden-collared Tanager, Tangara à col d'or, Tangara de Jelski
  Iridosornis porphyrocephala P. L. Sclater, 1856 -- invalid
  Iridosornis reinhardti P. L. Sclater, 1865 -- valid -- Yellow-scarfed Tanager, Tangara de Reinhardt, Tangara de Reinhardt
  Iridosornis rufivertex (Lafresnaye, 1842) -- valid -- Golden-crowned Tanager, Tangara auréolé, Tangara coronidorada
  Ispidina Kaup, 1848 -- valid
  Ispidina lecontei Cassin, 1856 -- valid -- African Dwarf Kingfisher, guarda-rios-anão, Martín pigmeo del Congo, Martin-pêcheur à tête rousse, African Dwarf-kingfisher
  Ispidina madagascariensis (Linnaeus, 1766) -- invalid
  Ispidina picta (Boddaert, 1783) -- valid -- African Pygmy Kingfisher, pica-peixe-pigmeu, Martín pigmeo africano, Martin-pêcheur pygmée, African Pygmy-kingfisher
  Ithaginis Wagler, 1832 -- valid -- Blood Pheasant
  Ithaginis cruentus (Hardwicke, 1821) -- valid -- Ithagine ensanglantée, Faisán ensangrentado, faisão-ensanguentado, Blood Pheasant
  Ixobrychus Billberg, 1828 -- valid -- Least Bitterns
  Ixobrychus cinnamomeus (Gmelin, 1789) -- valid -- Cinnamon Bittern
  Ixobrychus eurhythmus (Swinhoe, 1873) -- valid -- Schrenk's Bittern, Von Schrenck's Bittern
  Ixobrychus exilis (Gmelin, 1789) -- valid -- Avetoro mínimo, Least Bittern, Petit Blongios
  Ixobrychus involucris (Vieillot, 1823) -- valid -- Stripe-backed Bittern
  Ixobrychus minutus (Linnaeus, 1766) -- valid -- Little Bittern, Blongios nain
  Ixobrychus novaezelandiae (Potts, 1871) -- invalid -- New Zealand Bittern
  Ixobrychus sinensis (Gmelin, 1789) -- valid -- Chinese Bittern, Yellow Bittern, Blongios de Chine
  Ixobrychus sturmii (Wagler, 1827) -- valid -- Dwarf Bittern
  Ixonotus J. Verreaux & E. Verreaux, 1851 -- valid
  Ixonotus guttatus J. Verreaux & E. Verreaux, 1851 -- valid -- Spotted Greenbul
  Ixos Temminck, 1825 -- valid
  Ixos amaurotis (Temminck, 1830) -- invalid
  Ixos everetti (Tweeddale, 1877) -- invalid -- Yellowish Bulbul
  Ixos malaccensis (Blyth, 1845) -- valid -- Streaked Bulbul
  Ixos palawanensis (Tweeddale, 1878) -- invalid
  Ixos philippinus (J. R. Forster, 1795) -- invalid -- Philippine Bulbul
  Ixos rufigularis (Sharpe, 1877) -- invalid -- Zamboanga Bulbul
  Ixos siquijorensis (Steere, 1890) -- invalid -- Streak-breasted Bulbul
  Jabiru Hellmayr, 1906 -- valid -- Jabirus
  Jabiru mycteria (Lichtenstein, 1819) -- valid -- Jabiru, Cigüeña jabirú, Jabiru d'Amérique
  Jabouilleia Delacour, 1927 -- valid
  Jabouilleia danjoui (Robinson & Kloss, 1919) -- valid -- Short-tailed Scimitar Babbler
  Jacamaralcyon R. Lesson, 1830 -- valid
  Jacamaralcyon tridactyla (Vieillot, 1817) -- valid -- Three-toed Jacamar
  Jacamerops R. Lesson, 1830 -- valid
  Jacamerops aureus (P. L. S. Müller, 1776) -- valid -- Great Jacamar
  Jacana Brisson, 1760 -- valid -- Jacanas
  Jacana jacana (Linnaeus, 1766) -- valid -- Wattled Jacana, Jacana noir, Jacana suramericana, jaçanã, jaçanã-de-fronte-vermelha
  Jacana spinosa (Linnaeus, 1758) -- valid -- Northern Jacana, Jacana norteña, Jacana du Mexique, Jacana centroamericana, jaçanã-de-fronte-amarela
  Jacanidae Chenu & Des Murs, 1854 -- valid -- Jacanas
  Jubula Bates, 1929 -- valid
  Jubula lettii (Büttikofer, 1889) -- valid -- Maned Owl
  Junco Wagler, 1831 -- valid -- Juncos
  Junco hyemalis (Linnaeus, 1758) -- valid -- junco, Junco ojo oscuro, Dark-eyed Junco, junco ardoisé
  Junco insularis Ridgway, 1876 -- valid -- Junco de Guadalupe, Guadalupe Junco, Junco de Guadalupe
  Junco phaeonotus Wagler, 1831 -- valid -- Junco aux yeux jaunes, Junco ojilumbre, Yellow-eyed Junco, Junco ojo de lumbre
  Junco vulcani (Boucard, 1878) -- valid -- Volcano Junco, Junco des volcans, Junco de los volcanes
  Jynx Linnaeus, 1758 -- valid -- Wrynecks
  Jynx ruficollis Wagler, 1830 -- valid -- Red-throated Wryneck
  Jynx torquilla Linnaeus, 1758 -- valid -- Eurasian Wryneck
  Kakamega Mann, P. J. K. Burton & Lennerstedt, 1978 -- valid
  Kakamega poliothorax (Reichenow, 1900) -- valid -- Grey-chested Babbler
  Kaupifalco Bonaparte, 1854 -- valid
  Kaupifalco monogrammicus (Temminck, 1824) -- valid -- Lizard Buzzard
  Kenopia G. R. Gray, 1869 -- valid
  Kenopia striata (Blyth, 1842) -- valid -- Striped Wren-Babbler
  Ketupa R. Lesson, 1830 -- valid
  Ketupa blakistoni (Seebohm, 1884) -- invalid
  Ketupa flavipes (Hodgson, 1836) -- valid -- Tawny Fish Owl
  Ketupa ketupu (Horsfield, 1821) -- valid -- Buffy Fish Owl
  Ketupa zeylonensis (J. F. Gmelin, 1788) -- valid -- Brown Fish Owl
  Klais Reichenbach, 1854 -- valid
  Klais guimeti (Bourcier, 1843) -- valid -- Violet-headed Hummingbird
  Knipolegus Boie, 1826 -- valid
  Knipolegus aterrimus Kaup, 1853 -- valid -- White-winged Black Tyrant
  Knipolegus cyanirostris (Vieillot, 1818) -- valid -- Blue-billed Black Tyrant
  Knipolegus hudsoni P. L. Sclater, 1872 -- valid -- Hudson's Black Tyrant
  Knipolegus lophotes Boie, 1828 -- valid -- Crested Black Tyrant
  Knipolegus nigerrimus (Vieillot, 1818) -- valid -- Velvety Black Tyrant
  Knipolegus orenocensis Berlepsch, 1884 -- valid -- Riverside Tyrant
  Knipolegus poecilocercus (Pelzeln, 1868) -- valid -- Amazonian Black Tyrant
  Knipolegus poecilurus (P. L. Sclater, 1862) -- valid -- Rufous-tailed Tyrant
  Knipolegus signatus (Taczanowski, 1875) -- valid -- Andean Tyrant
  Knipolegus striaticeps (Orbigny & Lafresnaye, 1837) -- valid -- Cinereous Tyrant
  Kupeornis Serle, 1949 -- valid
  Kupeornis chapini Schouteden, 1949 -- valid -- Chapin's Babbler
  Kupeornis gilberti Serle, 1949 -- valid -- White-throated Mountain Babbler
  Kupeornis rufocinctus (Rothschild, 1908) -- valid -- Red-collared Babbler
  Lacedo Reichenbach, 1851 -- valid
  Lacedo pulchella (Horsfield, 1821) -- valid -- Banded Kingfisher, martim-pescador-anilhado, Martín cazador bonito, Martin-chasseur mignon
  Lafresnaya Bonaparte, 1850 -- valid
  Lafresnaya lafresnayi (Boissonneau, 1840) -- valid -- Mountain Velvetbreast
  Lagonosticta Cabanis, 1851 -- valid
  Lagonosticta landanae Sharpe, 1890 -- valid -- Landana Firefinch
  Lagonosticta larvata (Rüppell, 1840) -- valid -- Black-throated Firefinch
  Lagonosticta nitidula Hartlaub, 1886 -- valid -- Brown Firefinch
  Lagonosticta rara (Antinori, 1864) -- valid -- Black-bellied Firefinch
  Lagonosticta rhodopareia (Heuglin, 1868) -- valid -- Jameson's Firefinch
  Lagonosticta rubricata (Lichtenstein, 1823) -- valid -- African Firefinch
  Lagonosticta rufopicta (Fraser, 1843) -- valid -- Bar-breasted Firefinch
  Lagonosticta sanguinodorsalis Payne, 1998 -- valid -- Rock Firefinch.
  Lagonosticta senegala (Linnaeus, 1766) -- valid -- Red-billed Firefinch
  Lagonosticta umbrinodorsalis Reichenow, 1910 -- valid -- Chad Firefinch
  Lagonosticta vinacea (Hartlaub, 1857) -- invalid -- Black-faced Firefinch
  Lagonosticta virata Bates, 1932 -- valid -- Mali Firefinch
  Lagopus Brisson, 1760 -- valid -- Ptarmigans
  Lagopus lagopus (Linnaeus, 1758) -- valid -- Lagópodo común, lagopo-ruivo, Willow Grouse, Willow Ptarmigan, lagopède des saules
  Lagopus leucurus (Richardson, 1831) -- invalid -- White-tailed Ptarmigan
  Lagopus mutus (Montin, 1781) -- invalid -- Rock Ptarmigan, lagopède alpin
  Lalage F. Boie, 1826 -- valid
  Lalage atrovirens (G. R. Gray, 1862) -- valid -- Black-browed Triller
  Lalage aurea (Temminck, 1825) -- valid -- Rufous-bellied Triller
  Lalage leucomela (Vigors & Horsfield, 1827) -- valid -- Varied Triller
  Lalage leucopyga (Gould, 1838) -- valid -- Long-tailed Triller
  Lalage leucopygialis Walden, 1872 -- valid -- White-rumped Triller
  Lalage maculosa (Peale, 1848) -- valid -- Polynesian Triller
  Lalage melanoleuca (Blyth, 1861) -- valid -- Black-and-white Triller
  Lalage moesta P. L. Sclater, 1883 -- valid -- White-browed Triller
  Lalage nigra (J. R. Forster, 1781) -- valid -- Pied Triller
  Lalage sharpei Rothschild, 1900 -- valid -- Samoan Triller
  Lalage sueurii (Vieillot, 1818) -- valid -- White-shouldered Triller
  Lalage tricolor (Swainson, 1825) -- valid -- White-winged Triller
  Lampornis Swainson, 1827 -- valid -- Blue-throated Hummingbirds
  Lampornis amethystinus Swainson, 1827 -- valid -- Amethyst-throated Hummingbird, Colibrí garganta amatista, Amethyst-throated Mountaingem
  Lampornis castaneoventris (Gould, 1851) -- valid -- White-throated Mountain-gem, White-throated Mountaingem
  Lampornis clemenciae (R. Lesson, 1830) -- valid -- Blue-throated Hummingbird, Colibrí garganta azul, Blue-throated Mountaingem
  Lampornis hemileucus (Salvin, 1865) -- valid -- White-bellied Mountain-gem, White-bellied Mountaingem
  Lampornis sybillae (Salvin & Godman, 1892) -- valid -- Green-breasted Mountaingem, Green-breasted Mountain-gem
  Lampornis viridipallens (Bourcier & Mulsant, 1846) -- valid -- Green-throated Mountain-gem, Colibrí garganta verde, Green-throated Mountaingem
  Lamprolaima Reichenbach, 1854 -- valid
  Lamprolaima rhami (R. Lesson, 1839) -- valid -- Colibrí ala castaña, Garnet-throated Hummingbird
  Lamprolia Finsch, 1874 -- valid
  Lamprolia victoriae Finsch, 1874 -- valid -- Silktail
  Lampropsar Cabanis, 1847 -- valid
  Lampropsar tanagrinus (Spix, 1824) -- valid -- Velvet-fronted Grackle
  Lamprospiza Cabanis, 1847 -- valid
  Lamprospiza melanoleuca (Vieillot, 1817) -- valid -- Red-billed Pied Tanager, Lamprospize noir et blanc, Tangara piquirroja, pipira-de-bico-vermelho
  Lamprotornis Temminck, 1820 -- valid
  Lamprotornis acuticaudus (Bocage, 1869) -- valid -- Sharp-tailed Starling
  Lamprotornis australis (A. Smith, 1836) -- valid -- Burchell's Starling
  Lamprotornis caudatus (Statius Muller, 1776) -- valid -- Long-tailed Glossy Starling
  Lamprotornis chalcurus Nordmann, 1835 -- valid -- Bronze-tailed Starling
  Lamprotornis chalybaeus Hemprich & Ehrenberg, 1828 -- valid -- Greater Blue-eared Starling
  Lamprotornis chloropterus Swainson, 1838 -- valid -- Lesser Blue-eared Starling
  Lamprotornis corruscus Nordmann, 1835 -- invalid -- Black-bellied Starling
  Lamprotornis cupreocauda (Hartlaub, 1857) -- invalid -- Copper-tailed Starling
  Lamprotornis elisabeth (Stresemann, 1924) -- valid -- Miombo Blue-eared Starling
  Lamprotornis hildebrandti (Cabanis, 1878) -- valid -- Hildebrandt's Starling
  Lamprotornis mevesii (Wahlberg, 1856) -- valid -- Meves's Starling
  Lamprotornis nitens (Linnaeus, 1766) -- valid -- Cape Starling
  Lamprotornis ornatus (Daudin, 1800) -- valid -- Principe Starling
  Lamprotornis pulcher (Statius Muller, 1776) -- valid -- Chestnut-bellied Starling
  Lamprotornis purpureiceps (J. Verreaux & E. Verreaux, 1851) -- invalid -- Purple-headed Starling
  Lamprotornis purpureus (Statius Muller, 1776) -- valid -- Purple Starling
  Lamprotornis purpuropterus Rüppell, 1845 -- invalid
  Lamprotornis shelleyi (Sharpe, 1890) -- valid -- Shelley's Starling
  Lamprotornis splendidus (Vieillot, 1822) -- valid -- Splendid Starling
  Lamprotornis superbus Rüppell, 1845 -- valid -- Superb Starling
  Laniarius Vieillot, 1816 -- valid
  Laniarius aethiopicus (Gmelin, 1789) -- valid -- Tropical Boubou
  Laniarius amboimensis Moltoni, 1932 -- valid -- Gabela Bushshrike
  Laniarius atrococcineus (Burchell, 1822) -- valid -- Crimson-breasted Shrike
  Laniarius atroflavus Shelley, 1887 -- valid -- Yellow-breasted Boubou
  Laniarius barbarus (Linnaeus, 1766) -- valid -- Yellow-crowned Gonolek
  Laniarius bicolor (Hartlaub, 1857) -- valid -- Swamp Boubou
  Laniarius brauni Bannerman, 1939 -- valid -- Braun's Bushshrike
  Laniarius erythrogaster (Cretzschmar, 1829) -- valid -- Black-headed Gonolek
  Laniarius ferrugineus (Gmelin, 1788) -- valid -- Southern Boubou
  Laniarius fuelleborni (Reichenow, 1900) -- valid -- Fülleborn's Boubou
  Laniarius funebris (Hartlaub, 1863) -- valid -- Slate-colored Boubou
  Laniarius leucorhynchus (Hartlaub, 1848) -- valid -- Lowland Sooty Boubou
  Laniarius liberatus Smithrctander, Fjeldsa & Amir, 1991 -- invalid -- Bulo Burti Boubou
  Laniarius luehderi Reichenow, 1874 -- valid -- Lühder's Bushshrike
  Laniarius mufumbiri Ogilvie-Grant, 1911 -- valid -- Papyrus Gonolek
  Laniarius poensis (Alexander, 1903) -- valid -- Mountain Sooty Boubou
  Laniarius ruficeps (Shelley, 1885) -- valid -- Red-naped Bushshrike
  Laniarius turatii (J. Verreaux, 1858) -- valid -- Turati's Boubou
  Laniidae Rafinesque, 1815 -- valid -- Shrikes
  Laniisoma Swainson, 1832 -- valid
  Laniisoma elegans (Thunberg, 1823) -- valid -- Brazilian Laniisoma
  Lanio Vieillot, 1816 -- valid
  Lanio aurantius Lafresnaye, 1846 -- valid -- Tángara garganta negra, Black-throated Shrike-Tanager, Tangara à gorge noire, Tangara gorjinegra, Black-throated Shrike-tanager
  Lanio fulvus (Boddaert, 1783) -- valid -- Fulvous Shrike-Tanager, Tangara mordoré, Tangara fulva, pipira-parda, Fulvous Shrike-tanager
  Lanio leucothorax Salvin, 1865 -- valid -- White-throated Shrike-Tanager, Tangara à gorge blanche, Tangara gorjiblanca, White-throated Shrike-tanager
  Lanio versicolor (d'Orbigny & Lafresnaye, 1837) -- valid -- White-winged Shrike-Tanager, Tangara versicolore, Tangara aliblanca, pipira-de-asa-branca, White-winged Shrike-tanager
  Laniocera Lesson, 1841 -- valid
  Laniocera hypopyrra (Vieillot, 1817) -- valid -- Cinereous Mourner
  Laniocera rufescens (P. L. Sclater, 1858) -- valid -- Speckled Mourner, Plañidera jaspeada
  Lanioturdus Waterhouse, 1838 -- valid
  Lanioturdus torquatus Waterhouse, 1838 -- valid -- White-tailed Shrike
  Lanius Linnaeus, 1758 -- valid -- Shrikes
  Lanius bucephalus Temminck & Schlegel, 1845 -- valid -- Bull-headed Shrike
  Lanius cabanisi Hartert, 1906 -- valid -- Long-tailed Fiscal
  Lanius collaris Linnaeus, 1766 -- valid -- Common Fiscal
  Lanius collurio Linnaeus, 1758 -- valid -- Red-backed Shrike
  Lanius collurioides Lesson, 1831 -- valid -- Burmese Shrike
  Lanius cristatus Linnaeus, 1758 -- valid -- Brown Shrike
  Lanius dorsalis Cabanis, 1878 -- valid -- Taita Fiscal
  Lanius excubitor Linnaeus, 1758 -- valid -- Northern Shrike, pie-grièche grise, Great Grey Shrike
  Lanius excubitoroides Prevost & Des Murs, 1847 -- valid -- Grey-backed Fiscal
  Lanius gubernator Hartlaub, 1882 -- valid -- Emin's Shrike
  Lanius isabellinus Hemprich & Ehrenberg, 1833 -- valid -- Isabelline Shrike
  Lanius ludovicianus Linnaeus, 1766 -- valid -- Alcaudón verdugo, Loggerhead Shrike, pie-grièche migratrice
  Lanius mackinnoni Sharpe, 1891 -- valid -- Mackinnon's Shrike
  Lanius marwitzi Reichenow, 1901 -- invalid -- Uhehe Fiscal
  Lanius minor Gmelin, 1788 -- valid -- Lesser Grey Shrike
  Lanius newtoni Bocage, 1891 -- valid -- Sao Tome Fiscal
  Lanius nubicus Lichtenstein, 1823 -- valid -- Masked Shrike
  Lanius schach Linnaeus, 1758 -- valid -- Long-tailed Shrike
  Lanius senator Linnaeus, 1758 -- valid -- Woodchat Shrike
  Lanius souzae Bocage, 1878 -- valid -- Souza's Shrike
  Lanius sphenocercus Cabanis, 1873 -- valid -- Chinese Grey Shrike
  Lanius tephronotus (Vigors, 1831) -- valid -- Grey-backed Shrike
  Lanius tigrinus Drapiez, 1828 -- valid -- Tiger Shrike
  Lanius validirostris Ogilvie-Grant, 1894 -- valid -- Mountain Shrike
  Lanius vittatus Valenciennes, 1826 -- valid -- Bay-backed Shrike
  Laridae -- valid -- Gulls, Terns, becs-en-ciseaux, goélands, labbes, mouettes, Skimmers
  Larosterna Blyth, 1852 -- valid
  Larosterna inca (R. Lesson & Garnot, 1827) -- valid -- Inca Tern, Sterne inca, Charrán inca, grazina-inca
  Larus Linnaeus, 1758 -- valid -- Gulls, Ivory Gulls, Kittiwakes, Ross' Gulls, Sabine's Gulls
  Larus argentatus Pontoppidan, 1763 -- valid -- Gaviota plateada, Herring Gull, Goéland argenté, European Herring Gull, Gaviota argéntea europea, gaivota-argêntea
  Larus armenicus Buturlin, 1934 -- valid -- Armenian Gull, Goéland d'Arménie, Gaviota armenia, gaivota-da-arménia
  Larus atlanticus Olrog, 1958 -- valid -- Olrog's Gull, Goéland d'Olrog, Gaviota cangrejera, gaivota-de-rabo-preto, gaivota-caranguejeira
  Larus atricilla Linnaeus, 1758 -- invalid -- Gaviota reidora, Laughing Gull, mouette atricille
  Larus audouinii Payraudeau, 1826 -- invalid -- Audouin's Gull
  Larus belcheri Vigors, 1829 -- valid -- Band-tailed Gull, Belcher's Gull, Goéland siméon, Gaviota simeón, gaivota-de-rabo-bandeado
  Larus brunnicephalus Jerdon, 1840 -- invalid -- Brown-headed Gull
  Larus bulleri F. W. Hutton, 1871 -- invalid -- Black-billed Gull
  Larus cachinnans Pallas, 1811 -- valid -- Caspian Gull, Yellow-legged Gull, Goéland pontique, Gaviota del Caspio, gaivota-do-cáspio
  Larus californicus Lawrence, 1854 -- valid -- Gaviota californiana, California Gull, Goéland de Californie, gaivota-da-califórnia
  Larus canus Linnaeus, 1758 -- valid -- Gaviota cana, Mew Gull, Goéland cendré, Common Gull, famego
  Larus cirrocephalus Vieillot, 1818 -- invalid -- Gray-hooded Gull
  Larus crassirostris Vieillot, 1818 -- valid -- Black-tailed Gull, Goéland à queue noire, Gaviota japonesa, gaivota-de-rabo-preto
  Larus delawarensis Ord, 1815 -- valid -- Gaviota pico anillado, Ring-billed Gull, Goéland à bec cerclé, Gaviota de Delaware, gaivota-de-bico-riscado
  Larus dominicanus M. H. K. Lichtenstein, 1823 -- valid -- Gaviota dominicana, Kelp Gull, Goéland dominicain, Gaviota cocinera, gaivotão
  Larus fuliginosus Gould, 1841 -- invalid -- Lava Gull
  Larus fuscus Linnaeus, 1758 -- valid -- Gaviota sombría, Lesser Black-backed Gull, Goéland brun, gaivota-da-asa-escura
  Larus genei Brème, 1839 -- invalid -- Slender-billed Gull
  Larus glaucescens J. F. Naumann, 1840 -- valid -- Glaucous-winged Gull, Gaviota ala glauca, Goéland à ailes grises, Gaviota de Bering, gaivota-do-mar-de-bering
  Larus glaucoides B. Meyer, 1822 -- valid -- Iceland Gull, Goéland arctique, Gaviota groenlandesa, gaivota-branca
  Larus hartlaubii Bruch, 1855 -- invalid -- Hartlaub's Gull
  Larus heermanni Cassin, 1852 -- valid -- Heermann's Gull, Gaviota ploma, Goéland de Heermann, Gaviota mexicana, gaivota-cinzenta-setentrional
  Larus hemprichii Bruch, 1855 -- invalid -- Sooty Gull
  Larus hyperboreus Gunnerus, 1767 -- valid -- Gaviota blanca, Glaucous Gull, Goéland bourgmestre, Gavión hiperbóreo, gaivotão-branco
  Larus ichthyaetus Pallas, 1773 -- invalid -- Great Black-headed Gull
  Larus leucophthalmus Temminck, 1825 -- invalid -- White-eyed Gull
  Larus livens Dwight, 1919 -- valid -- Yellow-footed Gull, Gaviota pata amarilla, Goéland de Cortez, Gaviota de Cortés, gaivota-de-pés-amarelos
  Larus maculipennis M. H. K. Lichtenstein, 1823 -- invalid -- Brown-hooded Gull
  Larus marinus Linnaeus, 1758 -- valid -- Great Black-backed Gull, Goéland marin, Gavión atlántico, gaivotão-real
  Larus melanocephalus Temminck, 1820 -- invalid -- Mediterranean Gull
  Larus minutus Pallas, 1776 -- invalid -- Gaviota mínima, Little Gull, mouette pygmée
  Larus modestus Tschudi, 1843 -- invalid -- Gray Gull
  Larus novaehollandiae Stephens, 1826 -- invalid -- Silver Gull
  Larus occidentalis Audubon, 1839 -- valid -- Gaviota occidental, Western Gull, Goéland d'Audubon, gaivota-de-pés-rosados
  Larus pacificus Latham, 1801 -- valid -- Pacific Gull, Goéland austral, Gaviota de Tasmania, gaivota-australiana
  Larus philadelphia (Ord, 1815) -- invalid -- Gaviota de Bonaparte, Bonaparte's Gull, mouette de Bonaparte
  Larus pipixcan Wagler, 1831 -- invalid -- Gaviota de Franklin, Franklin's Gull, mouette de Franklin
  Larus relictus Lönnberg, 1931 -- invalid -- Relict Gull
  Larus ridibundus Linnaeus, 1766 -- invalid -- Common Black-headed Gull, Gaviota encapuchada, Black-headed Gull, mouette rieuse
  Larus saundersi (Swinhoe, 1871) -- invalid -- Saunders's Gull
  Larus schistisagus Stejneger, 1884 -- valid -- Slaty-backed Gull, Goéland à manteau ardoisé, Gaviota de Kamchatka, gaivota-de-dorso-ardósia
  Larus scopulinus J. R. Forster, 1844 -- invalid -- Red-billed Gull
  Larus scoresbii Traill, 1823 -- invalid
  Larus serranus Tschudi, 1844 -- invalid -- Andean Gull
  Laterallus G. R. Gray, 1855 -- valid -- Black Rails
  Laterallus albigularis (Lawrence, 1861) -- valid -- White-throated Crake
  Laterallus exilis (Temminck, 1831) -- valid -- Grey-breasted Crake, Gray-breasted Crake
  Laterallus jamaicensis (Gmelin, 1789) -- valid -- Polluela negra, Black Rail, râle noir
  Laterallus leucopyrrhus (Vieillot, 1819) -- valid -- Red-and-white Crake
  Laterallus levraudi (P. L. Sclater & Salvin, 1869) -- valid -- Rusty-flanked Crake
  Laterallus melanophaius (Vieillot, 1819) -- valid -- Rufous-sided Crake
  Laterallus ruber (P. L. Sclater & Salvin, 1860) -- valid -- Polluela rojiza, Ruddy Crake
  Laterallus spilonotus (Gould, 1841) -- valid -- Galapagos Crake
  Laterallus xenopterus Conover, 1934 -- valid -- Rufous-faced Crake
  Lathamus R. Lesson, 1830 -- valid
  Lathamus discolor (Shaw, 1790) -- valid -- Swift Parrot, Perruche de Latham, Periquito migrador, periquito-andorinha
  Lathrotriccus W. Lanyon & S. Lanyon, 1986 -- valid
  Lathrotriccus euleri (Cabanis, 1868) -- valid -- Euler's Flycatcher
  Latoucheornis Bangs, 1931 -- invalid
  Latoucheornis siemsseni (G. H. Martens, 1906) -- invalid -- Slaty Bunting
  Legatus P. L. Sclater, 1859 -- valid
  Legatus leucophaius (Vieillot, 1818) -- valid -- Piratic Flycatcher, Papamoscas pirata
  Leiothrix Swainson, 1832 -- valid -- Leiothrixes
  Leiothrix argentauris (Hodgson, 1837) -- valid -- Silver-eared Leiothrix
  Leiothrix lutea (Scopoli, 1786) -- valid -- Red-billed Leiothrix
  Leipoa Gould, 1840 -- valid
  Leipoa ocellata Gould, 1840 -- valid -- Léipoa ocellé, Talégalo leipoa, leipoa, Malleefowl
  Lemuresthes Wolters, 1949 -- valid
  Lemuresthes nana (Pucheran, 1845) -- valid -- Madagascar Mannikin
  Lepidocolaptes Reichenbach, 1853 -- valid
  Lepidocolaptes affinis (Lafresnaye, 1839) -- valid -- Spot-crowned Woodcreeper, Trepatroncos corona punteada
  Lepidocolaptes albolineatus (Lafresnaye, 1846) -- valid -- Lineated Woodcreeper
  Lepidocolaptes angustirostris (Vieillot, 1818) -- valid -- Narrow-billed Woodcreeper
  Lepidocolaptes fuscus (Vieillot, 1818) -- invalid
  Lepidocolaptes leucogaster (Swainson, 1827) -- valid -- White-striped Woodcreeper, Trepatroncos escarchado
  Lepidocolaptes souleyetii (Des Murs, 1849) -- valid -- Streak-headed Woodcreeper, Trepatroncos corona rayada
  Lepidocolaptes squamatus (Lichtenstein, 1822) -- valid -- Scalloped Woodcreeper
  Lepidopyga Reichenbach, 1855 -- invalid
  Lepidopyga coeruleogularis (Gould, 1851) -- invalid -- Sapphire-throated Hummingbird
  Lepidopyga goudoti (Bourcier, 1843) -- invalid -- Shining-green Hummingbird
  Lepidopyga lilliae Stone, 1917 -- invalid -- Sapphire-bellied Hummingbird
  Leptasthenura Reichenbach, 1853 -- valid
  Leptasthenura aegithaloides (Kittlitz, 1830) -- valid -- Plain-mantled Tit-Spinetail
  Leptasthenura andicola P. L. Sclater, 1870 -- valid -- Andean Tit-Spinetail
  Leptasthenura fuliginiceps (Orbigny & Lafresnaye, 1837) -- valid -- Brown-capped Tit-Spinetail
  Leptasthenura pileata P. L. Sclater, 1881 -- valid -- Rusty-crowned Tit-Spinetail
  Leptasthenura platensis Reichenbach, 1853 -- valid -- Tufted Tit-Spinetail
  Leptasthenura setaria (Temminck, 1824) -- valid -- Araucaria Tit-Spinetail
  Leptasthenura striata (Philippi & Landbeck, 1863) -- valid -- Streak-backed Tit-Spinetail
  Leptasthenura striolata (Pelzeln, 1856) -- valid -- Striolated Tit-Spinetail
  Leptasthenura xenothorax Chapman, 1921 -- valid -- White-browed Tit-Spinetail
  Leptasthenura yanacensis Carriker, 1933 -- valid -- Tawny Tit-Spinetail
  Leptodon Sundevall, 1836 -- valid
  Leptodon cayanensis (Latham, 1790) -- valid -- Gavilán cabeza gris, Gray-headed Kite, Grey-headed Kite, Milan de Cayenne
  Leptodon forbesi (Swann, 1922) -- valid -- White-collared Kite
  Leptopoecile Severtzov, 1873 -- valid
  Leptopoecile elegans Prjevalsky, 1887 -- valid -- Crested Tit-warbler
  Leptopoecile sophiae Severtzov, 1873 -- valid -- White-browed Tit-warbler
  Leptopogon Cabanis, 1844 -- valid
  Leptopogon amaurocephalus Tschudi, 1846 -- valid -- Sepia-capped Flycatcher, Mosquero gorra parda
  Leptopogon rufipectus (Lafresnaye, 1846) -- valid -- Rufous-breasted Flycatcher
  Leptopogon superciliaris Tschudi, 1844 -- valid -- Slaty-capped Flycatcher
  Leptopogon taczanowskii Hellmayr, 1917 -- valid -- Inca Flycatcher
  Leptopterus Bonaparte, 1854 -- valid
  Leptopterus chabert (Statius Muller, 1776) -- valid -- Chabert's Vanga
  Leptoptilos Lesson, 1831 -- valid
  Leptoptilos crumeniferus (Lesson, 1831) -- valid -- Marabou Stork
  Leptoptilos dubius (Gmelin, 1789) -- valid -- Greater Adjutant
  Leptoptilos javanicus (Horsfield, 1821) -- valid -- Lesser Adjutant
  Leptosittaca von Berlepsch & Stolzmann, 1894 -- valid
  Leptosittaca branickii von Berlepsch & Stolzmann, 1894 -- valid -- Golden-plumed Parakeet, Conure à pinceaux d'or, Aratinga de pinceles, papagaio-de-bochechas-douradas
  Leptosomidae Blyth, 1838 -- valid -- Cuckoo-Roller
  Leptosomus Vieillot, 1816 -- valid
  Leptosomus discolor (Hermann, 1783) -- valid -- Cuckoo-Roller, Cuckoo Roller, rolieiro-courol, Carraca curol, Courol vouroudriou
  Leptotila Swainson, 1837 -- valid -- White-tipped Doves
  Leptotila battyi Rothschild, 1901 -- valid -- Azuero Dove
  Leptotila cassini (Lawrence, 1867) -- invalid -- Paloma pecho gris, Grey-chested Dove, Gray-chested Dove
  Leptotila conoveri Bond & Meyer de Schauensee, 1943 -- valid -- Tolima Dove
  Leptotila jamaicensis (Linnaeus, 1766) -- valid -- Paloma caribeña, Caribbean Dove
  Leptotila megalura P. L. Sclater & Salvin, 1879 -- valid -- Yungas Dove
  Leptotila ochraceiventris Chapman, 1914 -- valid -- Ochre-bellied Dove
  Leptotila pallida von Berlepsch & Taczanowski, 1884 -- valid -- Pallid Dove
  Leptotila plumbeiceps P. L. Sclater & Salvin, 1868 -- valid -- Grey-headed Dove, Gray-headed Dove
  Leptotila rufaxilla (Richard & Bernard, 1792) -- valid -- Paloma cabeza ploma, Grey-fronted Dove
  Leptotila verreauxi Bonaparte, 1855 -- valid -- White-tipped Dove, Paloma arroyera
  Leptotila wellsi (Lawrence, 1884) -- valid -- Grenada Dove
  Lerwa Hodgson, 1837 -- valid
  Lerwa lerwa (Hodgson, 1833) -- valid -- Lerva des neiges, Perdiz lerwa, perdiz-das-neves, Snow Partridge
  Lesbia R. Lesson, 1833 -- valid
  Lesbia nuna (R. Lesson, 1832) -- valid -- Green-tailed Trainbearer
  Lesbia victoriae (Bourcier & Mulsant, 1846) -- valid -- Black-tailed Trainbearer
  Lessonia Swainson, 1832 -- valid
  Lessonia oreas (P. L. Sclater & Salvin, 1869) -- valid -- Andean Negrito
  Lessonia rufa (Gmelin, 1789) -- valid -- Patagonian Negrito
  Leucippus Bonaparte, 1850 -- valid
  Leucippus baeri Simon, 1901 -- invalid -- Tumbes Hummingbird
  Leucippus chlorocercus Gould, 1866 -- invalid -- Olive-spotted Hummingbird
  Leucippus fallax (Bourcier, 1843) -- valid -- Buffy Hummingbird
  Leucippus taczanowskii (P. L. Sclater, 1879) -- invalid -- Spot-throated Hummingbird
  Leucochloris Reichenbach, 1854 -- valid
  Leucochloris albicollis (Vieillot, 1818) -- valid -- White-throated Hummingbird
  Leucopeza P. L. Sclater, 1876 -- valid
  Leucopeza semperi P. L. Sclater, 1876 -- valid -- Semper's Warbler, Paruline pied-blanc
  Leucopsar Stresemann, 1912 -- valid
  Leucopsar rothschildi Stresemann, 1912 -- valid -- Bali Myna, Rothschild's starling
  Leucopternis Kaup, 1847 -- valid
  Leucopternis albicollis (Latham, 1790) -- valid -- Aguililla blanca, White Hawk, Buse blanche
  Leucopternis kuhli Bonaparte, 1850 -- valid -- White-browed Hawk
  Leucopternis lacernulata (Temminck, 1827) -- invalid
  Leucopternis melanops (Latham, 1790) -- valid -- Black-faced Hawk
  Leucopternis occidentalis Salvin, 1876 -- valid -- Grey-backed Hawk
  Leucopternis plumbea Salvin, 1872 -- invalid
  Leucopternis polionota (Kaup, 1847) -- invalid
  Leucopternis princeps P. L. Sclater, 1865 -- valid -- Barred Hawk, Buse barrée
  Leucopternis schistacea (Sundevall, 1850) -- invalid
  Leucopternis semiplumbea Lawrence, 1861 -- invalid
  Leucosarcia Gould, 1843 -- valid
  Leucosarcia melanoleuca (Latham, 1801) -- valid -- Wonga Pigeon
  Leucosticte Swainson, 1832 -- valid -- Rosy Finches
  Leucosticte arctoa (Pallas, 1811) -- valid -- Rosy Finch, Asian Rosy Finch
  Leucosticte atrata Ridgway, 1874 -- valid -- Black Rosy Finch, Black Rosy-Finch
  Leucosticte australis Ridgway, 1874 -- valid -- Brown-capped Rosy Finch, Brown-capped Rosy-Finch
  Leucosticte brandti Bonaparte, 1850 -- valid -- Brandt's Mountain Finch
  Leucosticte nemoricola (Hodgson, 1836) -- valid -- Plain Mountain Finch
  Leucosticte sillemi Roselaar, 1992 -- valid -- Sillem's Mountain Finch
  Leucosticte tephrocotis (Swainson, 1832) -- valid -- Grey-crowned Rosy Finch, Gray-crowned Rosy-Finch
  Lewinia G. R. Gray, 1855 -- valid
  Lewinia mirificus (Parkes & Amadon, 1959) -- invalid
  Lewinia muelleri (Rothschild, 1893) -- valid -- Aukland Island Rail, Auckland Rail
  Lewinia pectoralis (Temminck, 1831) -- valid -- Lewin's Rail
  Lichenostomus Cabanis, 1851 -- valid
  Lichenostomus chrysops (Latham, 1801) -- invalid -- Yellow-faced Honeyeater
  Lichenostomus cratitius (Gould, 1841) -- valid -- Purple-gaped Honeyeater, Méliphage grimé, Mielero de boqueras
  Lichenostomus fasciogularis (Gould, 1854) -- invalid -- Mangrove Honeyeater
  Lichenostomus flavescens (Gould, 1840) -- invalid -- Yellow-tinted Honeyeater
  Lichenostomus flavicollis (Vieillot, 1817) -- invalid -- Yellow-throated Honeyeater
  Lichenostomus flavus (Gould, 1843) -- invalid -- Yellow Honeyeater
  Lichenostomus frenatus (E. P. Ramsay, 1874) -- invalid -- Bridled Honeyeater
  Lichenostomus fuscus (Gould, 1837) -- invalid -- Fuscous Honeyeater
  Lichenostomus hindwoodi (Longmore & Boles, 1983) -- invalid -- Eungella Honeyeater
  Lichenostomus keartlandi (North, 1895) -- invalid -- Grey-headed Honeyeater
  Lichenostomus leucotis (Latham, 1801) -- invalid -- White-eared Honeyeater
  Lichenostomus melanops (Latham, 1801) -- valid -- Yellow-tufted Honeyeater, Méliphage cornu, Mielero orejigualdo, melifagideo-de-capacete
  Lichenostomus obscurus (De Vis, 1897) -- invalid -- Obscure Honeyeater
  Lichenostomus ornatus (Gould, 1838) -- invalid -- Yellow-plumed Honeyeater
  Lichenostomus penicillatus (Gould, 1837) -- invalid -- White-plumed Honeyeater
  Lichenostomus plumulus (Gould, 1841) -- invalid -- Grey-fronted Honeyeater
  Lichenostomus subfrenatus (Salvadori, 1876) -- invalid -- Black-throated Honeyeater
  Lichenostomus unicolor (Gould, 1843) -- invalid -- White-gaped Honeyeater
  Lichenostomus versicolor (Gould, 1843) -- invalid -- Varied Honeyeater
  Lichenostomus virescens (Vieillot, 1817) -- invalid -- Singing Honeyeater
  Lichmera Cabanis, 1851 -- valid
  Lichmera alboauricularis (E. P. Ramsay, 1878) -- valid -- Silver-eared Honeyeater, Méliphage grivelé, Mielero pechipinto
  Lichmera argentauris (Finsch, 1871) -- valid -- Olive Honeyeater, Méliphage à joues argent, Mielero cariplateado
  Lichmera deningeri (Stresemann, 1912) -- valid -- Buru Honeyeater, Méliphage de Buru, Mielero de Buru
  Lichmera flavicans (Vieillot, 1817) -- valid -- Flame-eared Honeyeater, Méliphage de Timor, Mielero de Timor, Yellow-eared Honeyeater
  Lichmera incana (Latham, 1790) -- valid -- Grey-eared Honeyeater, Méliphage à oreillons gris, Mielero orejigrís, Dark-brown Honeyeater
  Lichmera indistincta (Vigors & Horsfield, 1827) -- valid -- Brown Honeyeater, Méliphage brunâtre, Mielero pardo
  Lichmera limbata (S. Müller, 1843) -- invalid -- Indonesian Honeyeater, Méliphage frangé, Mielero Indonesio
  Lichmera lombokia (Mathews, 1926) -- invalid -- Scaly-crowned Honeyeater, Méliphage de Lombok, Mielero de Lombok, Sunda Honeyeater
  Lichmera monticola (Stresemann, 1912) -- valid -- Seram Honeyeater, Spectacled Honeyeater, Méliphage de Céram, Mielero de Seram
  Lichmera notabilis (Finsch, 1898) -- valid -- Black-necklaced Honeyeater, Méliphage de Wetar, Mielero acollarado, Black-chested Honeyeater
  Lichmera squamata (Salvadori, 1878) -- valid -- Scaly-breasted Honeyeater, Méliphage à plumet blanc, Mielero escamoso, White-tufted Honeyeater
  Limicola Koch, 1816 -- invalid -- Broad-billed Sandpipers
  Limicola falcinellus (Pontoppidan, 1763) -- invalid -- Broad-billed Sandpiper, Bécasseau falcinelle
  Limnodromus Wied-Neuwied, 1833 -- valid -- Dowitchers
  Limnodromus griseus (J. F. Gmelin, 1789) -- valid -- Costurero pico corto, Short-billed Dowitcher, Bécassin roux, Agujeta gris, maçarico-de-costas-brancas, maçarico-de-bico-curto
  Limnodromus scolopaceus (Say, 1822) -- valid -- Costurero pico largo, Long-billed Dowitcher, Bécassin à long bec, Agujeta escolopácea, maçarico-de-bico-comprido
  Limnodromus semipalmatus (Blyth, 1848) -- valid -- Asian Dowitcher, Bécassin d'Asie, Agujeta asiática, narceja-das-estepes
  Limnornis Gould, 1839 -- valid
  Limnornis curvirostris Gould, 1839 -- valid -- Curve-billed Reedhaunter
  Limnornis rectirostris Gould, 1839 -- valid
  Limnothlypis Stone, 1914 -- valid -- Swainson's Warblers
  Limnothlypis swainsonii (Audubon, 1834) -- valid -- Swainson's Warbler, Chipe corona café, Paruline de Swainson
  Limosa Brisson, 1760 -- valid -- Godwits
  Limosa fedoa (Linnaeus, 1758) -- valid -- Picopando canelo, Marbled Godwit, Barge marbrée, Aguja canela, maçarico-marmóreo
  Limosa haemastica (Linnaeus, 1758) -- valid -- Picopando ornamentado, Hudsonian Godwit, Barge hudsonienne, Aguja café, maçarico-de-bico-virado
  Limosa lapponica (Linnaeus, 1758) -- valid -- Picopando cola barrada, Bar-tailed Godwit, Barge rousse, Aguja colipinta, fuselo
  Limosa limosa (Linnaeus, 1758) -- valid -- Black-tailed Godwit, Barge à queue noire, Aguja colinegra, milherango
  Linurgus Reichenbach, 1850 -- valid
  Linurgus olivaceus (Fraser, 1843) -- valid -- Oriole Finch
  Liocichla Swinhoe, 1877 -- valid
  Liocichla omeiensis Riley, 1926 -- valid -- Emei Shan Liocichla
  Liocichla phoenicea (Gould, 1837) -- valid -- Red-faced Liocichla
  Liocichla steerii Swinhoe, 1877 -- valid -- Steere's Liocichla
  Lioptilus Bonaparte, 1850 -- valid
  Lioptilus nigricapillus (Vieillot, 1818) -- valid -- Bush Blackcap
  Liosceles P. L. Sclater, 1865 -- valid
  Liosceles thoracicus (P. L. Sclater, 1865) -- valid -- Rusty-belted Tapaculo
  Lipaugus Boie, 1828 -- valid
  Lipaugus cryptolophus (P. L. Sclater & Salvin, 1877) -- invalid
  Lipaugus fuscocinereus (Lafresnaye, 1843) -- valid -- Dusky Piha
  Lipaugus lanioides (Lesson, 1844) -- valid -- Cinnamon-vented Piha
  Lipaugus streptophorus (Salvin & Godman, 1884) -- valid -- Rose-collared Piha
  Lipaugus subalaris P. L. Sclater, 1861 -- invalid
  Lipaugus unirufus P. L. Sclater, 1860 -- valid -- Rufous Piha, Pía guardabosques
  Lipaugus uropygialis (P. L. Sclater & Salvin, 1876) -- valid -- Scimitar-winged Piha
  Lipaugus vociferans (Wied-Neuwied, 1820) -- valid -- Screaming Piha
  Loboparadisea Rothschild, 1896 -- valid
  Loboparadisea sericea Rothschild, 1896 -- valid -- Silken Satinbird
  Lochmias Swainson, 1827 -- valid
  Lochmias nematura (Lichtenstein, 1823) -- valid -- Sharp-tailed Streamcreeper
  Locustella Kaup, 1829 -- valid -- Grasshopper-Warbler
  Locustella certhiola (Pallas, 1811) -- valid -- Pallas's Grasshopper Warbler
  Locustella fasciolata (G. R. Gray, 1861) -- valid -- Gray's Grasshopper Warbler
  Locustella fluviatilis (Wolf, 1810) -- valid -- River Warbler
  Locustella lanceolata (Temminck, 1840) -- valid -- Lanceolated Warbler
  Locustella luscinioides (Savi, 1824) -- valid -- Savi's Warbler
  Locustella naevia (Boddaert, 1783) -- valid -- Common Grasshopper Warbler
  Locustella ochotensis (Middendorff, 1853) -- valid -- Middendorff's Grasshopper-Warbler, Middendorff's Grasshopper Warbler
  Locustella pleskei Taczanowski, 1890 -- valid -- Styan's Grasshopper Warbler
  Loddigesia Bonaparte, 1850 -- valid
  Loddigesia mirabilis (Bourcier, 1847) -- valid -- Marvelous Spatuletail
  Lonchura Sykes, 1832 -- valid -- Mannikins
  Lonchura bicolor (Fraser, 1843) -- valid -- Black-and-white Mannikin
  Lonchura caniceps (Salvadori, 1876) -- valid -- Grey-headed Munia
  Lonchura cantans (Gmelin, 1789) -- invalid -- African Silverbill
  Lonchura castaneothorax (Gould, 1837) -- valid -- Chestnut-breasted Munia
  Lonchura cucullata (Swainson, 1837) -- valid -- Bronze Mannikin
  Lonchura ferruginosa (Sparrman, 1789) -- valid
  Lonchura flaviprymna (Gould, 1845) -- valid -- Yellow-rumped Munia
  Lonchura forbesi (P. L. Sclater, 1879) -- valid -- New Ireland Munia
  Lonchura fringilloides (Lafresnaye, 1835) -- valid -- Magpie Mannikin
  Lonchura fuscans (Cassin, 1852) -- valid -- Dusky Munia
  Lonchura grandis (Sharpe, 1882) -- valid -- Great-billed Munia
  Lonchura griseicapilla Delacour, 1943 -- invalid -- Grey-headed Silverbill
  Lonchura hunsteini (Finsch, 1886) -- valid -- Black-breasted Mannikin, Mottled Munia
  Lonchura kelaarti (Jerdon, 1863) -- valid -- Black-throated Munia
  Lonchura leucogastra (Blyth, 1846) -- valid -- White-bellied Munia
  Lonchura leucogastroides (Moore, 1858) -- valid -- Javan Munia
  Lonchura leucosticta (Albertis & Salvadori, 1879) -- valid -- White-spotted Munia
  Lonchura maja (Linnaeus, 1766) -- valid -- White-headed Munia
  Lonchura malabarica (Linnaeus, 1758) -- invalid -- Indian Silverbill, Warbling Silverbill
  Lonchura malacca (Linnaeus, 1766) -- valid -- Chestnut Mannikin, Black-headed Munia, Tricolored Munia
  Lonchura melaena (P. L. Sclater, 1880) -- valid -- Sooty Munia
  Lonchura molucca (Linnaeus, 1766) -- valid -- Black-faced Munia
  Lonchura montana Junge, 1939 -- valid -- Western Alpine Munia
  Lonchura monticola (De Vis, 1897) -- valid -- Eastern Alpine Munia
  Lonchura nevermanni Stresemann, 1934 -- valid -- Grey-crowned Munia
  Lonchura nigerrima (Rothschild & Hartert, 1899) -- invalid
  Lonchura nigriceps (Cassin, 1852) -- valid -- Red-backed Mannikin
  Lonchura pallida (Wallace, 1864) -- valid -- Pale-headed Munia
  Lonchura pallidiventer Restall, 1996 -- invalid -- Cream-bellied Munia
  Lonchura punctulata (Linnaeus, 1758) -- valid -- Nutmeg Mannikin, Scaly-breasted Munia
  Lonchura quinticolor (Vieillot, 1807) -- valid -- Five-colored Munia
  Lonchura spectabilis (P. L. Sclater, 1879) -- valid -- Hooded Munia
  Lonchura striata (Linnaeus, 1766) -- valid -- White-rumped Munia
  Lonchura stygia Stresemann, 1934 -- valid -- Black Munia
  Lonchura teerinki Rand, 1940 -- valid -- Black-breasted Munia
  Lonchura tristissima (Wallace, 1865) -- valid -- Streak-headed Munia
  Lonchura vana (Hartert, 1930) -- valid -- Grey-banded Munia
  Lophaetus Kaup, 1847 -- valid
  Lophaetus occipitalis (Daudin, 1800) -- valid -- Long-crested Eagle
  Lophodytes Reichenbach, 1853 -- valid -- Hooded Mergansers
  Lophodytes cucullatus (Linnaeus, 1758) -- valid -- Mergo cresta blanca, Hooded Merganser, Harle couronné, Serreta capuchona, merganso-capuchinho
  Lophoictinia Kaup, 1847 -- valid
  Lophoictinia isura (Gould, 1838) -- valid -- Square-tailed Kite
  Lopholaimus Gould, 1841 -- valid
  Lopholaimus antarcticus (Shaw, 1794) -- valid -- Topknot Pigeon
  Lophophanes Kaup, 1829 -- valid
  Lophophanes cristatus (Linnaeus, 1758) -- valid -- European Crested Tit
  Lophophanes dichrous (Blyth, 1845) -- valid -- Grey Crested Tit
  Lophophorus Temminck, 1813 -- valid -- Monals
  Lophophorus impejanus (Latham, 1790) -- valid -- Lophophore resplendissant, Monal colirrojo, monal, Himalayan Monal
  Lophophorus lhuysii Geoffroy Saint-A. Hilaire, 1866 -- valid -- Lophophore de Lhuys, Monal coliverde, monal-de-rabo-azul, Chinese Monal
  Lophophorus sclateri Jerdon, 1870 -- valid -- Lophophore de Sclater, Monal coliblanco, monal-de-rabo-branco, Sclater's Monal Pheasant, Sclater's Monal
  Lophorina Vieillot, 1816 -- valid
  Lophorina superba (J. R. Forster, 1781) -- valid -- Superb Bird-of-Paradise
  Lophornis R. Lesson, 1829 -- valid
  Lophornis adorabilis Salvin, 1870 -- valid -- White-crested Coquette
  Lophornis brachylopha R. T. Moore, 1949 -- invalid -- Coqueta cresta corta
  Lophornis chalybeus (Temminck, 1821) -- valid -- Festive Coquette
  Lophornis delattrei (R. Lesson, 1839) -- valid -- Rufous-crested Coquette
  Lophornis gouldii (R. Lesson, 1832) -- valid -- Dot-eared Coquette
  Lophornis helenae (Delattre, 1843) -- valid -- Black-crested Coquette, Coqueta cresta negra
  Lophornis magnificus (Vieillot, 1817) -- valid -- Frilled Coquette
  Lophornis ornatus (Boddaert, 1783) -- valid -- Tufted Coquette
  Lophornis pavoninus Salvin & Godman, 1882 -- valid -- Peacock Coquette
  Lophornis stictolophus Salvin & D. G. Elliot, 1873 -- valid -- Spangled Coquette
  Lophospingus Cabanis, 1878 -- valid
  Lophospingus griseocristatus (d'Orbigny & Lafresnaye, 1837) -- valid -- Grey-crested Finch, Lophospingue gris, Soldadito gris, Gray-crested Finch
  Lophospingus pusillus (Burmeister, 1860) -- valid -- Black-crested Finch, Lophospingue à huppe noire, Soldadito común
  Lophostrix R. Lesson, 1836 -- valid
  Lophostrix cristata (Daudin, 1800) -- valid -- Búho cuerno blanco, Crested Owl
  Lophotibis Reichenbach, 1853 -- valid
  Lophotibis cristata (Boddaert, 1783) -- valid -- Madagascar Ibis
  Lophotriccus Berlepsch, 1884 -- valid
  Lophotriccus eulophotes Todd, 1925 -- valid -- Long-crested Pygmy Tyrant
  Lophotriccus galeatus (Boddaert, 1783) -- valid -- Helmeted Pygmy Tyrant
  Lophotriccus pileatus (Tschudi, 1844) -- valid -- Scale-crested Pygmy-Tyrant, Scale-crested Pygmy Tyrant
  Lophotriccus vitiosus (Bangs & T. E. Penard, 1921) -- valid -- Double-banded Pygmy Tyrant
  Lophozosterops Hartert, 1896 -- valid
  Lophozosterops dohertyi Hartert, 1896 -- valid -- Crested Ibon
  Lophozosterops goodfellowi (Hartert, 1903) -- valid -- Mindanao Ibon
  Lophozosterops javanicus (Horsfield, 1821) -- valid -- Grey-throated Ibon
  Lophozosterops pinaiae (Stresemann, 1912) -- valid -- Grey-hooded Ibon
  Lophozosterops squamiceps (Hartert, 1896) -- valid -- Streak-headed Ibon
  Lophozosterops superciliaris (Hartert, 1897) -- valid -- Cream-browed Ibon
  Lophura J. Fleming, 1822 -- valid -- Kalij Pheasants
  Lophura bulweri (Sharpe, 1874) -- valid -- Faisan de Bulwer, Faisán coliblanco, faisão-de-rabo-branco, Bulwer's Pheasant
  Lophura diardi (Bonaparte, 1856) -- valid -- Faisan prélat, Faisán siamés, faisão-prelado, Siamese Fireback
  Lophura edwardsi (Oustalet, 1896) -- valid -- Faisan d'Edwards, Faisán de Edwards, faisão-de-eduardo, Vietnam Pheasant, Edwards's Pheasant, Edward's Pheasant
  Lophura erythrophthalma (Raffles, 1822) -- valid -- Faisan à queue rousse, Faisán colicanelo malayo, faisão-de-dorso-canela, Malay Crestless Fireback, Crestless Fireback
  Lophura hatinhensis Vo Quy, 1975 -- invalid -- Vietnamese Pheasant
  Lophura hoogerwerfi (Chasen, 1939) -- invalid -- Aceh Pheasant
  Lophura ignita (Shaw, 1798) -- valid -- Faisan noble, Faisán noble de Borneo, faisão-nobre, Bornean Crested Fireback, Crested Fireback
  Lophura imperialis (Delacour & Jabouille, 1924) -- invalid -- Imperial Pheasant
  Lophura inornata (Salvadori, 1879) -- valid -- Faisan de Salvadori, Faisán sencillo, faisão-simplório, Salvadori's Pheasant
  Lophura leucomelanos (Latham, 1790) -- valid -- Faisan leucomèle, Faisán kálij, faisão-kalij, Kalij Pheasant
  Lophura nycthemera (Linnaeus, 1758) -- valid -- Faisan argenté, Faisán plateado, faisão-prateado, Silver Pheasant
  Lophura swinhoii (Gould, 1863) -- valid -- Faisan de Swinhoe, Faisán de Swinhoe, faisão-de-swinhoe, Swinhoe's Pheasant
  Loriculus Blyth, 1849 -- valid
  Loriculus amabilis Wallace, 1862 -- valid -- Moluccan Hanging Parrot, Moluccan Hanging-parrot, Coryllis des Moluques, Lorículo amable
  Loriculus aurantiifrons Schlegel, 1871 -- valid -- Orange-fronted Hanging Parrot, Orange-fronted Hanging-parrot, Papuan Hanging-Parrot, Coryllis à front orange, Lorículo papú
  Loriculus beryllinus (J. R. Forster, 1781) -- valid -- Sri Lanka Hanging Parrot, Sri Lanka Hanging-parrot, Coryllis de Ceylan, Lorículo de Ceilán
  Loriculus catamene Schlegel, 1871 -- valid -- Sangihe Hanging Parrot, Sangihe Hanging-parrot, Coryllis des Sangir, Lorículo de la Sangihe
  Loriculus exilis Schlegel, 1866 -- valid -- Pygmy Hanging Parrot, Pygmy Hanging-parrot, Coryllis vert, Lorículo exiguo
  Loriculus flosculus Wallace, 1864 -- valid -- Wallace's Hanging Parrot, Flores Hanging-parrot, Wallace's Hanging-Parrot, Coryllis de Wallace, Lorículo de Flores
  Loriculus galgulus (Linnaeus, 1758) -- valid -- Blue-crowned Hanging Parrot, Blue-crowned Hanging-parrot, Coryllis à tête bleue, Lorículo coroniazul
  Loriculus philippensis (P. L. S. Müller, 1776) -- valid -- Philippine Hanging Parrot, Colasisi, Philippine Hanging-parrot, Coryllis des Philippines, Lorículo filipino
  Loriculus pusillus G. R. Gray, 1859 -- valid -- Yellow-throated Hanging Parrot, Yellow-throated Hanging-parrot, Coryllis à gorge jaune, Lorículo de Java
  Loriculus stigmatus (S. Müller, 1843) -- valid -- Great Hanging Parrot, Sulawesi Hanging Parrot, Sulawesi Hanging-parrot, Coryllis des Célèbes, Lorículo de Célebes
  Loriculus tener P. L. Sclater, 1877 -- valid -- Green-fronted Hanging Parrot, Bismarck Hanging Parrot, Bismarck Hanging-parrot, Green-fronted Hanging-Parrot, Coryllis des Bismarck, Lorículo de las Bismarck
  Loriculus vernalis (Sparrman, 1787) -- valid -- Vernal Hanging Parrot, Vernal Hanging-parrot, Coryllis vernal, Lorículo vernal, lóris-indiano
  Lorius Vigors, 1825 -- valid
  Lorius albidinuchus (Rothschild & Hartert, 1924) -- invalid
  Lorius chlorocercus Gould, 1856 -- valid -- Yellow-bibbed Lory, Lori à collier jaune, Lori acollarado, lóris-de-colar-amarelo
  Lorius domicella (Linnaeus, 1758) -- valid -- Purple-naped Lory, Lori des dames, Lori damisela, loris-de-nuca-roxa
  Lorius garrulus (Linnaeus, 1758) -- valid -- Chattering Lory, Lori noira, Lori gárrulo, lóris-amor-amor
  Lorius hypoinochrous G. R. Gray, 1859 -- valid -- Purple-bellied Lory, Lori à ventre violet, Lori ventrivinoso
  Lorius lory (Linnaeus, 1758) -- valid -- Black-capped Lory, Lori tricolore, Lori tricolor, lóris-bailarino
  Loxia Linnaeus, 1758 -- valid -- Crossbills
  Loxia curvirostra Linnaeus, 1758 -- valid -- Red Crossbill, bec-croisé des sapins, Picotuerto rojo
  Loxia leucoptera J. F. Gmelin, 1789 -- valid -- White-winged Crossbill, bec-croisé bifascié, Two-barred Crossbill
  Loxia megaplaga Riley, 1916 -- valid -- Hispaniolan Crossbill
  Loxia pytyopsittacus von Borkhausen, 1793 -- valid -- Parrot Crossbill
  Loxia scotica Hartert, 1904 -- valid -- Scottish Crossbill
  Loxigilla R. Lesson, 1831 -- valid -- Antillean Bullfinches
  Loxigilla noctis (Linnaeus, 1766) -- valid -- Pèrenoir rougegorge, Semillero gorjirrojo, Lesser Antillean Bullfinch
  Loxigilla portoricensis (Daudin, 1800) -- invalid -- Puerto Rican Bullfinch
  Loxigilla violacea (Linnaeus, 1758) -- invalid -- Greater Antillean Bullfinch
  Loxioides Oustalet, 1877 -- valid -- Palilas
  Loxioides bailleui Oustalet, 1877 -- valid -- Honeycreeper, Palila
  Loxipasser H. Bryant, 1866 -- valid
  Loxipasser anoxanthus (Gosse, 1847) -- valid -- Yellow-shouldered Grassquit, Pèrenoir mantelé, Semillero jamaicano
  Loxops Cabanis, 1847 -- valid -- 'Akepas
  Loxops caeruleirostris (S. B. Wilson, 1890) -- valid -- Akekee
  Loxops coccineus (J. F. Gmelin, 1789) -- valid -- 'Akepa, Akepa, Honeycreeper
  Lugensa Mathews, 1942 -- invalid
  Lugensa brevirostris (Lesson, 1831) -- invalid
  Lullula Kaup, 1829 -- valid
  Lullula arborea (Linnaeus, 1758) -- valid -- Woodlark
  Lurocalis Cassin, 1851 -- valid
  Lurocalis rufiventris Taczanowski, 1884 -- valid -- Rufous-bellied Nighthawk
  Lurocalis semitorquatus (J. F. Gmelin, 1789) -- valid -- Chotacabras cola corta, Short-tailed Nighthawk
  Luscinia T. Forster, 1817 -- valid -- Rubythroats
  Luscinia brunnea (Hodgson, 1837) -- valid -- Indian Blue Robin
  Luscinia calliope (Pallas, 1776) -- valid -- Siberian Rubythroat
  Luscinia cyane (Pallas, 1776) -- valid -- Siberian Blue Robin
  Luscinia luscinia (Linnaeus, 1758) -- valid -- Thrush Nightingale
  Luscinia megarhynchos C. L. Brehm, 1831 -- valid -- Common Nightingale
  Luscinia obscura (Berezowski & Bianchi, 1891) -- valid -- Blackthroat
  Luscinia pectardens (David, 1877) -- valid -- Firethroat
  Luscinia pectoralis (Gould, 1837) -- valid -- White-tailed Rubythroat
  Luscinia ruficeps (Hartert, 1907) -- valid -- Rufous-headed Robin
  Luscinia sibilans (Swinhoe, 1863) -- valid -- Rufous-tailed Robin
  Luscinia svecica (Linnaeus, 1758) -- valid -- Bluethroats, Bluethroat
  Lybiidae -- valid -- African Barbets
  Lybius Hermann, 1783 -- valid
  Lybius bidentatus (Shaw, 1799) -- valid -- Double-toothed Barbet
  Lybius chaplini S. Clarke, 1920 -- valid -- Chaplin's Barbet
  Lybius dubius (J. F. Gmelin, 1788) -- valid -- Bearded Barbet
  Lybius guifsobalito Hermann, 1783 -- valid -- Black-billed Barbet
  Lybius leucocephalus (de Filippi, 1853) -- valid -- White-headed Barbet
  Lybius melanopterus (W. Peters, 1854) -- valid -- Brown-breasted Barbet
  Lybius minor (Cuvier, 1816) -- valid -- Black-backed Barbet
  Lybius rolleti (de Filippi, 1853) -- valid -- Black-breasted Barbet
  Lybius rubrifacies (Reichenow, 1892) -- valid -- Red-faced Barbet
  Lybius torquatus (Dumont, 1805) -- valid -- Black-collared Barbet
  Lybius undatus (Rüppell, 1837) -- valid -- Banded Barbet
  Lybius vieilloti (Leach, 1815) -- valid -- Vieillot's Barbet
  Lycocorax Bonaparte, 1853 -- valid
  Lycocorax pyrrhopterus (Bonaparte, 1850) -- valid -- Paradise-crow
  Lymnocryptes Kaup, 1829 -- invalid -- Jack Snipes
  Lymnocryptes minimus (Brünnich, 1764) -- valid -- Jack Snipe, Bécassine sourde, Agachadiza chica, narceja-galega
  Lysurus Ridgway, 1898 -- invalid
  Lysurus castaneiceps (P. L. Sclater, 1860) -- invalid -- Olive Finch
  Lysurus crassirostris (Cassin, 1865) -- invalid -- Sooty-faced Finch
  Macgregoria De Vis, 1897 -- valid
  Macgregoria pulchra De Vis, 1897 -- valid -- Macgregor's Lappetface, MacGregor's Honeyeater, Méliphage de Macgregor, Mielero de Macgregor
  Machaerirhynchus Gould, 1851 -- valid
  Machaerirhynchus flaviventer Gould, 1851 -- valid -- Yellow-breasted Boatbill
  Machaerirhynchus nigripectus Schlegel, 1871 -- valid -- Black-breasted Boatbill
  Machaeropterus Bonaparte, 1854 -- valid
  Machaeropterus deliciosus (P. L. Sclater, 1860) -- valid -- Club-winged Manakin
  Machaeropterus pyrocephalus (P. L. Sclater, 1852) -- valid -- Fiery-capped Manakin
  Machaeropterus regulus (Hahn, 1819) -- valid -- Eastern Striped Manakin
  Macheiramphus Westerman, 1851 -- invalid
  Macheiramphus alcinus Westerman, 1851 -- invalid -- Bat Hawk
  Machetornis G. R. Gray, 1841 -- valid
  Machetornis rixosus (Vieillot, 1819) -- invalid
  Mackenziaena Chubb, 1918 -- valid
  Mackenziaena leachii (Such, 1825) -- valid -- Large-tailed Antshrike
  Mackenziaena severa (Lichtenstein, 1823) -- valid -- Tufted Antshrike
  Macroagelaius Cassin, 1866 -- valid
  Macroagelaius imthurni (P. L. Sclater, 1881) -- valid -- Golden-tufted Mountain Grackle
  Macroagelaius subalaris (Boissonneau, 1840) -- valid -- Colombian Mountain Grackle
  Macrocephalon S. Müller, 1846 -- valid
  Macrocephalon maleo S. Müller, 1846 -- valid -- Mégapode maléo, Talégalo maleo, maléo, Maleo, Maleo Megapode
  Macrodipteryx Swainson, 1837 -- invalid
  Macrodipteryx longipennis (Shaw, 1796) -- invalid -- Standard-winged Nightjar
  Macrodipteryx vexillarius (Gould, 1838) -- invalid -- Pennant-winged Nightjar
  Macronectes Richmond, 1905 -- valid
  Macronectes giganteus (Gmelin, 1789) -- valid -- Southern Giant Petrel
  Macronectes halli Mathews, 1912 -- valid -- Northern Giant Petrel
  Macronous Jardine & Selby, 1835 -- invalid
  Macronous flavicollis (Bonaparte, 1850) -- invalid
  Macronous gularis (Horsfield, 1822) -- invalid
  Macronous kelleyi (Delacour, 1932) -- invalid -- Grey-faced Tit-Babbler
  Macronous ptilosus Jardine & Selby, 1835 -- invalid -- Fluffy-backed Tit-Babbler
  Macronous striaticeps Sharpe, 1877 -- invalid -- Brown Tit-Babbler
  Macronyx Swainson, 1827 -- valid
  Macronyx ameliae Tarragon, 1845 -- valid -- Rosy-throated Longclaw
  Macronyx aurantiigula Reichenow, 1891 -- valid -- Pangani Longclaw
  Macronyx capensis (Linnaeus, 1766) -- valid -- Cape Longclaw
  Macronyx croceus (Vieillot, 1816) -- valid -- Yellow-throated Longclaw
  Macronyx flavicollis Rüppell, 1840 -- valid -- Abyssinian Longclaw
  Macronyx fuellebornii Reichenow, 1900 -- invalid
  Macronyx grimwoodi Benson, 1955 -- valid -- Grimwood's Longclaw
  Macropsalis P. L. Sclater, 1866 -- valid
  Macropsalis creagra (Bonaparte, 1850) -- invalid
  Macropygia Swainson, 1837 -- valid
  Macropygia amboinensis (Linnaeus, 1766) -- valid -- Brown Cuckoo-Dove, Amboyna Cuckoo-Dove
  Macropygia emiliana Bonaparte, 1854 -- valid -- Ruddy Cuckoo-Dove
  Macropygia mackinlayi E. P. Ramsay, 1878 -- valid -- Spot-breasted Cuckoo-Dove, MacKinlay's Cuckoo-Dove
  Macropygia magna Wallace, 1864 -- valid -- Bar-necked Cuckoo-Dove, Timor Cuckoo-Dove
  Macropygia nigrirostris Salvadori, 1876 -- valid -- Black-billed Cuckoo-Dove, Bar-tailed Cuckoo-Dove
  Macropygia phasianella (Temminck, 1821) -- valid -- Brown Cuckoo-Dove
  Macropygia ruficeps (Temminck, 1835) -- valid -- Little Cuckoo-Dove
  Macropygia rufipennis Blyth, 1846 -- valid -- Andaman Cuckoo-Dove
  Macropygia tenuirostris Bonaparte, 1854 -- valid -- Philippine Cuckoo-Dove
  Macropygia unchall (Wagler, 1827) -- valid -- Barred Cuckoo-Dove
  Macrosphenus Cassin, 1859 -- valid
  Macrosphenus concolor (Hartlaub, 1857) -- valid -- Grey Longbill
  Macrosphenus flavicans Cassin, 1859 -- valid -- Yellow Longbill
  Macrosphenus kempi (Sharpe, 1905) -- valid -- Kemp's Longbill
  Macrosphenus kretschmeri (Reichenow & Neumann, 1895) -- valid -- Kretschmer's Longbill
  Macrosphenus pulitzeri Boulton, 1931 -- valid -- Pulitzer's Longbill
  Madanga Rothschild & Hartert, 1923 -- valid
  Madanga ruficollis Rothschild & Hartert, 1923 -- valid -- Madanga
  Malacocincla Blyth, 1845 -- valid
  Malacocincla abbotti Blyth, 1845 -- valid -- Abbott's Babbler
  Malacocincla cinereiceps (Tweeddale, 1878) -- valid -- Ashy-headed Babbler
  Malacocincla malaccensis (Hartlaub, 1844) -- valid -- Short-tailed Babbler
  Malacocincla perspicillata (Bonaparte, 1850) -- valid -- Black-browed Babbler
  Malacocincla sepiarium (Horsfield, 1821) -- invalid
  Malacocincla vanderbilti Meyer de Schauensee & Ripley, 1940 -- invalid
  Malaconotus Swainson, 1824 -- valid
  Malaconotus alius Friedmann, 1927 -- valid -- Uluguru Bushshrike
  Malaconotus blanchoti Stephens, 1826 -- valid -- Grey-headed Bushshrike
  Malaconotus cruentus (Lesson, 1831) -- valid -- Fiery-breasted Bushshrike
  Malaconotus gladiator (Reichenow, 1892) -- valid -- Green-breasted Bushshrike
  Malaconotus lagdeni (Sharpe, 1884) -- valid -- Lagden's Bushshrike
  Malaconotus monteiri (Sharpe, 1870) -- valid -- Monteiro's Bushshrike
  Malacopteron Eyton, 1839 -- valid
  Malacopteron affine (Blyth, 1842) -- valid -- Sooty-capped Babbler
  Malacopteron albogulare (Blyth, 1844) -- valid -- Grey-breasted Babbler
  Malacopteron cinereum Eyton, 1839 -- valid -- Scaly-crowned Babbler
  Malacopteron magnirostre (Moore, 1854) -- valid -- Moustached Babbler
  Malacopteron magnum Eyton, 1839 -- valid -- Rufous-crowned Babbler
  Malacopteron palawanense Büttikofer, 1895 -- valid -- Melodious Babbler
  Malacoptila G. R. Gray, 1841 -- valid
  Malacoptila fulvogularis P. L. Sclater, 1854 -- valid -- Black-streaked Puffbird
  Malacoptila fusca (J. F. Gmelin, 1788) -- valid -- White-chested Puffbird
  Malacoptila mystacalis (Lafresnaye, 1850) -- valid -- Moustached Puffbird
  Malacoptila panamensis Lafresnaye, 1847 -- valid -- White-whiskered Puffbird, Buco barbón
  Malacoptila rufa (von Spix, 1824) -- valid -- Rufous-necked Puffbird
  Malacoptila semicincta Todd, 1925 -- valid -- Semicollared Puffbird
  Malacoptila striata (von Spix, 1824) -- valid -- Chestnut-crested Puffbird, Crescent-chested Puffbird
  Malacorhynchus Swainson, 1831 -- valid
  Malacorhynchus membranaceus (Latham, 1801) -- valid -- Pink-eared Duck, Malacorhynque à oreilles roses, Pato pachón, pato-de-orelhas-rosadas
  Malcorus A. Smith, 1829 -- valid
  Malcorus pectoralis A. Smith, 1829 -- valid -- Rufous-eared Warbler
  Malia Schlegel, 1880 -- valid
  Malia grata Schlegel, 1880 -- valid -- Malia
  Malimbus Vieillot, 1805 -- valid
  Malimbus ballmanni Wolters, 1974 -- valid -- Gola Malimbe
  Malimbus cassini (Elliot, 1859) -- valid -- Cassin's Malimbe
  Malimbus coronatus Sharpe, 1906 -- valid -- Red-crowned Malimbe
  Malimbus erythrogaster Reichenow, 1893 -- valid -- Red-bellied Malimbe
  Malimbus flavipes Chapin, 1916 -- invalid
  Malimbus ibadanensis Elgood, 1958 -- valid -- Ibadan Malimbe
  Malimbus malimbicus (Daudin, 1802) -- valid -- Crested Malimbe
  Malimbus nitens (J. E. Gray, 1831) -- valid -- Blue-billed Malimbe
  Malimbus racheliae (Cassin, 1857) -- valid -- Rachel's Malimbe
  Malimbus rubricollis (Swainson, 1838) -- valid -- Red-headed Malimbe
  Malimbus scutatus (Cassin, 1849) -- valid -- Red-vented Malimbe
  Maluridae -- valid
  Malurus Vieillot, 1816 -- valid
  Malurus alboscapulatus A. B. Meyer, 1874 -- valid -- White-shouldered Fairywren
  Malurus amabilis Gould, 1852 -- valid -- Lovely Fairywren
  Malurus campbelli Schodde, 1982 -- valid -- Campbell's Fairywren
  Malurus coronatus Gould, 1858 -- valid -- Purple-crowned Fairywren
  Malurus cyaneus (Ellis, 1782) -- valid -- Superb Fairywren
  Malurus cyanocephalus (Quoy & Gaimard, 1830) -- valid -- Emperor Fairywren
  Malurus elegans Gould, 1837 -- valid -- Red-winged Fairywren
  Malurus grayi (Wallace, 1862) -- valid -- Broad-billed Fairywren
  Malurus lamberti Vigors & Horsfield, 1827 -- valid -- Variegated Fairywren
  Malurus leucopterus Dumont, 1824 -- valid -- White-winged Fairywren
  Malurus melanocephalus (Latham, 1802) -- valid -- Red-backed Fairywren
  Malurus pulcherrimus Gould, 1844 -- valid -- Blue-breasted Fairywren
  Malurus splendens (Quoy & Gaimard, 1830) -- valid -- Splendid Fairywren
  Manacus Brisson, 1760 -- valid
  Manacus aurantiacus (Salvin, 1870) -- valid -- Orange-collared Manakin
  Manacus candei (Parzudaki, 1841) -- valid -- White-collared Manakin, Manaquín cuello blanco
  Manacus manacus (Linnaeus, 1766) -- valid -- White-bearded Manakin
  Manacus vitellinus (Gould, 1843) -- valid -- Golden-collared Manakin
  Mandingoa Hartert, 1919 -- valid
  Mandingoa nitidula (Hartlaub, 1865) -- valid -- Green Twinspot
  Manorina Vieillot, 1818 -- valid
  Manorina flavigula (Gould, 1840) -- valid -- Yellow-throated Miner, Méliphage à cou jaune, Mielero goligualdo
  Manorina melanocephala (Latham, 1801) -- valid -- Noisy Miner, Méliphage bruyant, Mielero chillón, melífago-barulhento
  Manorina melanophrys (Latham, 1801) -- valid -- Bell Miner, Méliphage à sourcils noirs, Mielero cejinegro
  Manucodia Boddaert, 1783 -- valid
  Manucodia atra (Lesson, 1830) -- invalid
  Manucodia chalybata (Pennant, 1781) -- invalid
  Manucodia comrii P. L. Sclater, 1876 -- valid -- Curl-crested Manucode
  Manucodia jobiensis Salvadori, 1876 -- valid -- Jobi Manucode
  Manucodia keraudrenii (Lesson & Garnot, 1826) -- invalid
  Margaroperdix Reichenbach, 1853 -- valid
  Margaroperdix madagarensis (Scopoli, 1786) -- valid -- Madagascar Partridge, Caille de Madagascar, Perdiz malgache, perdiz-malgaxe, Madagascan Partridge
  Margarops P. L. Sclater, 1859 -- valid -- Antillean Thrashers
  Margarops fuscatus (Vieillot, 1808) -- valid -- Pearly-eyed Thrasher
  Margarops fuscus (Statius Muller, 1776) -- invalid
  Margarornis Reichenbach, 1853 -- valid
  Margarornis bellulus Nelson, 1912 -- valid -- Beautiful Treerunner
  Margarornis rubiginosus Lawrence, 1865 -- valid -- Ruddy Treerunner
  Margarornis squamiger (Orbigny & Lafresnaye, 1838) -- valid -- Pearled Treerunner
  Margarornis stellatus P. L. Sclater & Salvin, 1873 -- valid -- Star-chested Treerunner
  Marmaronetta Reichenbach, 1853 -- valid
  Marmaronetta angustirostris (Ménétries, 1832) -- valid -- Marbled Duck, Marmaronette marbrée, Cerceta pardilla, pardilheira, Marbled Teal
  Mascarinus R. Lesson, 1830 -- valid
  Mascarinus mascarinus (Linnaeus, 1771) -- valid -- Mascarene Parrot, Mascarin de la Réunion, Loro de las Mascareñas, papagaio-das-mascarenas
  Masius Bonaparte, 1850 -- valid
  Masius chrysopterus (Lafresnaye, 1843) -- valid -- Golden-winged Manakin
  Mayrornis Wetmore, 1932 -- valid
  Mayrornis lessoni (G. R. Gray, 1846) -- valid -- Slaty Monarch
  Mayrornis schistaceus Mayr, 1933 -- valid -- Vanikoro Monarch
  Mayrornis versicolor Mayr, 1933 -- valid -- Versicolored Monarch
  Mearnsia Ridgway, 1911 -- valid
  Mearnsia novaeguineae (D'Albertis & Salvadori, 1879) -- valid -- Papuan Spine-tailed Swift
  Mearnsia picina (Tweeddale, 1879) -- valid -- Philippine Spine-tailed Swift
  Mecocerculus P. L. Sclater, 1862 -- valid
  Mecocerculus calopterus (P. L. Sclater, 1859) -- valid -- Rufous-winged Tyrannulet
  Mecocerculus hellmayri Berlepsch, 1907 -- valid -- Buff-banded Tyrannulet
  Mecocerculus leucophrys (Orbigny & Lafresnaye, 1837) -- valid -- White-throated Tyrannulet
  Mecocerculus minor (Taczanowski, 1879) -- valid -- Sulphur-bellied Tyrannulet
  Mecocerculus poecilocercus (P. L. Sclater & Salvin, 1873) -- valid -- White-tailed Tyrannulet
  Mecocerculus stictopterus (P. L. Sclater, 1859) -- valid -- White-banded Tyrannulet
  Megaceryle Kaup, 1848 -- valid
  Megaceryle alcyon (Linnaeus, 1758) -- valid -- guarda-rios-cintado, Martín gigante norteamericano, Martin-pêcheur d'Amérique, Belted Kingfisher
  Megaceryle lugubris (Temminck, 1834) -- valid -- Crested Kingfisher, Martín gigante asiático, Martin-pêcheur tacheté
  Megaceryle maxima (Pallas, 1769) -- valid -- Giant Kingfisher, guarda-rios-gigantes, Martín gigante africano, Martin-pêcheur géant
  Megaceryle torquata (Linnaeus, 1766) -- valid -- martim-pescador-grande, Martín gigante neotropical, Martin-pêcheur à ventre roux, Ringed Kingfisher
  Megacrex Albertis & Salvadori, 1879 -- valid
  Megacrex inepta Albertis & Salvadori, 1879 -- valid -- Papuan Flightless Rail
  Megadyptes Milne-Edwards, 1880 -- valid
  Megadyptes antipodes (Hombron & Jacquinot, 1841) -- valid -- Yellow-eyed Penguin
  Megalaima G. R. Gray, 1842 -- invalid
  Megalaima armillaris (Temminck, 1821) -- invalid -- Flame-fronted Barbet
  Megalaima asiatica (Latham, 1790) -- invalid -- Blue-throated Barbet
  Megalaima australis (Horsfield, 1821) -- invalid -- Blue-eared Barbet
  Megalaima chrysopogon (Temminck, 1824) -- invalid -- Golden-whiskered Barbet
  Megalaima corvina (Temminck, 1831) -- invalid -- Brown-throated Barbet
  Megalaima eximia (Sharpe, 1892) -- invalid -- Bornean Barbet
  Megalaima faiostricta (Temminck, 1832) -- invalid -- Green-eared Barbet
  Megalaima flavifrons (Cuvier, 1816) -- invalid -- Yellow-fronted Barbet
  Megalaima franklinii (Blyth, 1842) -- invalid -- Golden-throated Barbet
  Megalaima haemacephala (P. L. S. Müller, 1776) -- invalid -- Coppersmith Barbet
  Megalaima henricii (Temminck, 1831) -- invalid -- Yellow-crowned Barbet
  Megalaima incognita Hume, 1874 -- invalid -- Moustached Barbet
  Megalaima javensis (Horsfield, 1821) -- invalid -- Black-banded Barbet
  Megalaima lagrandieri J. Verreaux, 1868 -- invalid -- Red-vented Barbet
  Megalaima lineata (Vieillot, 1816) -- invalid -- Lineated Barbet
  Megalaima monticola (Sharpe, 1889) -- invalid -- Mountain Barbet
  Megalaima mystacophanos (Temminck, 1824) -- invalid -- Red-throated Barbet
  Megalaima oorti (S. Müller, 1836) -- invalid -- Black-browed Barbet
  Megalaima pulcherrima (Sharpe, 1888) -- invalid -- Golden-naped Barbet
  Megalaima rafflesii (R. Lesson, 1839) -- invalid -- Red-crowned Barbet
  Megalaima rubricapilla (J. F. Gmelin, 1788) -- invalid
  Megalaima virens (Boddaert, 1783) -- invalid -- Great Barbet
  Megalaima viridis (Boddaert, 1783) -- invalid -- White-cheeked Barbet
  Megalaima zeylanica (J. F. Gmelin, 1788) -- invalid -- Brown-headed Barbet
  Megalaimidae -- valid -- Asian Barbets
  Megalurulus J. Verreaux, 1869 -- valid
  Megalurulus grosvenori (Gilliard, 1960) -- valid
  Megalurulus llaneae (Hadden, 1983) -- valid -- Melanesian Thicketbird
  Megalurulus mariae J. Verreaux, 1869 -- invalid
  Megalurulus rubiginosus (P. L. Sclater, 1881) -- valid -- Rusty Thicketbird
  Megalurulus whitneyi (Mayr, 1933) -- valid -- Vanuatu Thicketbird
  Megalurus Horsfield, 1821 -- valid
  Megalurus albolimbatus (Albertis & Salvadori, 1879) -- valid -- Fly River Grassbird
  Megalurus gramineus (Gould, 1845) -- valid -- Little Grassbird
  Megalurus palustris Horsfield, 1821 -- valid -- Striated Grassbird
  Megalurus pryeri Seebohm, 1884 -- invalid
  Megalurus punctatus (Quoy & Gaimard, 1830) -- valid -- New Zealand Fernbird, Fernbird
  Megalurus rufescens (Buller, 1869) -- valid -- Chatham Fernbird
  Megalurus timoriensis Wallace, 1864 -- valid -- Tawny Grassbird
  Megapodiidae -- valid -- Megapodes
  Megapodius Gaimard, 1823 -- valid -- Megapodes
  Megapodius affinis Meyer, 1874 -- invalid
  Megapodius bernsteinii Schlegel, 1866 -- valid -- Mégapode de Bernstein, Talégalo de Sula, frango-do-mato-das-sula, Sula Megapode
  Megapodius cumingii Dillwyn, 1853 -- valid -- Mégapode des Philippines, Talégalo filipino, frango-do-mato-de-barriga-cinzenta, Tabon Scrubfowl, Philippine Scrubfowl, Philippine Megapode
  Megapodius eremita Hartlaub, 1868 -- valid -- Mégapode mélanésien, Talégalo eremita, frango-do-mato-ermitão, Melanesian Megapode
  Megapodius freycinet Gaimard, 1823 -- valid -- Mégapode de Freycinet, Talégalo de Freycinet, frango-do-mato-escuro, Dusky Megapode
  Megapodius laperouse Gaimard, 1823 -- valid -- Mégapode de La Pérouse, Talégalo de las Marianas, frango-do-mato-micronésio, La Perouse's Megapode, Micronesian Megapode
  Megapodius layardi Tristram, 1879 -- valid -- Mégapode de Layard, Talégalo de Nuevas Hébridas, frango-do-mato-de-vanuatu, Vanuatu Megapode
  Megapodius nicobariensis Blyth, 1846 -- valid -- Mégapode des Nicobar, Talégalo de Nicobar, frango-do-mato-das-nicobar, Nicobar Megapode
  Megapodius pritchardii G. R. Gray, 1864 -- valid -- Mégapode de Pritchard, Talégalo de las Tonga, frango-do-mato-de-tonga, Niuafoou Scrubfowl, Tongan Scrubfowl, Tongan Megapode
  Megapodius reinwardt Dumont, 1823 -- valid -- Orange-footed Scrubfowl, Mégapode de Reinwardt, Talégalo de Reinwardt, frango-do-mato-de-pés-laranja, Orange-footed Megapode, Scrubfowl
  Megapodius wallacei G. R. Gray, 1861 -- invalid
  Megarynchus Thunberg, 1824 -- valid
  Megarynchus pitangua (Linnaeus, 1766) -- valid -- Boat-billed Flycatcher, Luis pico grueso
  Megastictus Ridgway, 1909 -- valid
  Megastictus margaritatus (P. L. Sclater, 1855) -- valid -- Pearly Antshrike
  Megatriorchis Salvadori & Albertis, 1875 -- valid
  Megatriorchis doriae Salvadori & Albertis, 1875 -- valid -- Doria's Goshawk
  Megaxenops Reiser, 1905 -- valid
  Megaxenops parnaguae Reiser, 1905 -- valid -- Great Xenops
  Meiglyptes Swainson, 1837 -- valid
  Meiglyptes jugularis (Blyth, 1845) -- valid -- Black-and-buff Woodpecker
  Meiglyptes tristis (Horsfield, 1821) -- valid -- Buff-rumped Woodpecker
  Meiglyptes tukki (R. Lesson, 1839) -- valid -- Buff-necked Woodpecker
  Melaenornis G. R. Gray, 1840 -- valid
  Melaenornis annamarulae Forbes-Watson, 1970 -- valid -- Nimba Flycatcher
  Melaenornis ardesiacus Berlioz, 1936 -- valid -- Yellow-eyed Black Flycatcher
  Melaenornis edolioides (Swainson, 1837) -- valid -- Northern Black Flycatcher
  Melaenornis pammelaina (Stanley, 1814) -- valid -- Southern Black Flycatcher
  Melampitta Schlegel, 1871 -- valid
  Melampitta gigantea (Rothschild, 1899) -- valid -- Greater Melampitta
  Melampitta lugubris Schlegel, 1871 -- valid -- Lesser Melampitta
  Melamprosops Casey & J. D. Jacobi, 1974 -- valid -- Po'o'ulis
  Melamprosops phaeosoma Casey & J. D. Jacobi, 1974 -- valid -- Po'o'uli, Poo-uli
  Melanerpes Swainson, 1832 -- valid -- Melanerpine Woodpeckers
  Melanerpes aurifrons (Wagler, 1829) -- valid -- Golden-fronted Woodpecker, Carpintero cheje
  Melanerpes cactorum (d'Orbigny, 1840) -- valid -- White-fronted Woodpecker
  Melanerpes candidus (Otto, 1796) -- valid -- White Woodpecker
  Melanerpes carolinus (Linnaeus, 1758) -- valid -- Red-bellied Woodpecker, pic à ventre roux
  Melanerpes chrysauchen Salvin, 1870 -- valid -- Golden-naped Woodpecker
  Melanerpes chrysogenys (Vigors, 1839) -- valid -- Carpintero enmascarado, Golden-cheeked Woodpecker
  Melanerpes cruentatus (Boddaert, 1783) -- valid -- Yellow-tufted Woodpecker
  Melanerpes erythrocephalus (Linnaeus, 1758) -- valid -- Red-headed Woodpecker, pic à tête rouge
  Melanerpes flavifrons (Vieillot, 1818) -- valid -- Yellow-fronted Woodpecker
  Melanerpes formicivorus (Swainson, 1827) -- valid -- Acorn Woodpecker, Carpintero bellotero
  Melanerpes herminieri (R. Lesson, 1830) -- valid -- Guadeloupe Woodpecker
  Melanerpes hoffmannii (Cabanis, 1862) -- valid -- Hoffmann's Woodpecker
  Melanerpes hypopolius (Wagler, 1829) -- valid -- Carpintero pecho gris, Grey-breasted Woodpecker, Gray-breasted Woodpecker
  Melanerpes lewis (G. R. Gray, 1849) -- valid -- Lewis' Woodpecker, Carpintero de Lewis, Lewis's Woodpecker
  Melanerpes portoricensis (Daudin, 1803) -- valid -- Puerto Rican Woodpecker
  Melanerpes pucherani (Malherbe, 1849) -- valid -- Carpintero cara negra, Black-cheeked Woodpecker
  Melanerpes pygmaeus (Ridgway, 1885) -- valid -- Carpintero yucateco, Yucatan Woodpecker
  Melanerpes radiolatus (Wagler, 1827) -- valid -- Jamaican Woodpecker
  Melanerpes rubricapillus (Cabanis, 1862) -- valid -- Red-crowned Woodpecker
  Melanerpes striatus (P. L. S. Müller, 1776) -- valid -- Hispaniolan Woodpecker
  Melanerpes superciliaris (Temminck, 1827) -- valid -- West Indian Woodpecker
  Melanerpes uropygialis (S. F. Baird, 1854) -- valid -- Gila Woodpecker, Carpintero del desierto
  Melanitta F. Boie, 1822 -- valid -- Scoters
  Melanitta fusca (Linnaeus, 1758) -- valid -- Velvet Scoter, Negreta ala blanca, Macreuse brune, Negrón especulado, negrola-d'asa-branca, White-winged Scoter
  Melanitta nigra (Linnaeus, 1758) -- valid -- Negreta negra, Black Scoter, Common Scoter, Macreuse noire, Negrón común, negrola
  Melanitta perspicillata (Linnaeus, 1758) -- valid -- Negreta nuca blanca, Surf Scoter, Macreuse à front blanc, Negrón careto, negrola-de-lunetas
  Melanocharis P. L. Sclater, 1858 -- valid
  Melanocharis arfakiana (Finsch, 1900) -- valid -- Obscure Berrypecker
  Melanocharis crassirostris (Salvadori, 1876) -- invalid
  Melanocharis longicauda Salvadori, 1876 -- valid -- Lemon-breasted Berrypecker
  Melanocharis nigra (Lesson, 1830) -- valid -- Black Berrypecker
  Melanocharis striativentris Salvadori, 1895 -- valid -- Streaked Berrypecker
  Melanocharis versteri (Finsch, 1876) -- valid -- Fan-tailed Berrypecker
  Melanocharitidae Sibley & Ahlquist, 1985 -- valid
  Melanochlora Lesson, 1839 -- valid
  Melanochlora sultanea (Hodgson, 1837) -- valid -- Sultan Tit
  Melanocorypha F. Boie, 1828 -- valid
  Melanocorypha bimaculata (Ménétriés, 1832) -- valid -- Bimaculated Lark
  Melanocorypha calandra (Linnaeus, 1766) -- valid -- Calandra Lark
  Melanocorypha leucoptera (Pallas, 1811) -- valid -- White-winged Lark
  Melanocorypha maxima Blyth, 1867 -- valid -- Tibetan Lark
  Melanocorypha mongolica (Pallas, 1776) -- valid -- Mongolian Lark
  Melanocorypha yeltoniensis (J. R. Forster, 1768) -- valid -- Black Lark
  Melanodera Bonaparte, 1850 -- valid
  Melanodera melanodera (Quoy & Gaimard, 1824) -- valid -- White-bridled Finch, Mélanodère à sourcils blancs, Yal cejiblanco
  Melanodera xanthogramma (Gould & G. R. Gray, 1839) -- valid -- Yellow-bridled Finch, Mélanodère à sourcils jaunes, Yal cejiamarillo
  Melanodryas Gould, 1865 -- valid
  Melanodryas cucullata (Latham, 1802) -- valid -- Hooded Robin
  Melanodryas vittata (Quoy & Gaimard, 1830) -- valid -- Dusky Robin
  Melanopareia Reichenbach, 1853 -- valid
  Melanopareia elegans (Lesson, 1844) -- valid -- Elegant Crescentchest
  Melanopareia maximiliani (Orbigny, 1835) -- valid -- Olive-crowned Crescentchest
  Melanopareia torquata (Wied-Neuwied, 1831) -- valid -- Collared Crescentchest
  Melanoperdix Jerdon, 1864 -- valid -- Black Partridge
  Melanoperdix nigra (Vigors, 1829) -- invalid -- Black Partridge
  Melanoptila P. L. Sclater, 1858 -- valid
  Melanoptila glabrirostris P. L. Sclater, 1858 -- valid -- Maullador negro, Black Catbird
  Melanospiza Ridgway, 1897 -- valid
  Melanospiza richardsoni (Cory, 1886) -- valid -- St. Lucia Black Finch, Moisson pied-blanc, Semillero de Santa Lucía, St Lucia Black Finch
  Melanotis Bonaparte, 1850 -- valid
  Melanotis caerulescens (Swainson, 1827) -- valid -- Mulato azul, Blue Mockingbird
  Melanotis hypoleucus Hartlaub, 1852 -- valid -- Mulato pecho blanco, Blue-and-white Mockingbird
  Melanotrochilus Deslongchamps, 1880 -- invalid
  Meleagris Linnaeus, 1758 -- valid -- Turkeys
  Meleagris gallopavo Linnaeus, 1758 -- valid -- Guajolote gallipavo, peru-bravo, Guajolote norteño, Wild Turkey, dindon sauvage
  Meleagris ocellata Cuvier, 1820 -- valid -- Dindon ocellé, Guajolote ocelado, peru-ocelado, Ocellated Turkey
  Melichneutes Reichenow, 1910 -- valid
  Melichneutes robustus (Bates, 1909) -- valid -- Lyre-tailed Honeyguide
  Melidectes P. L. Sclater, 1874 -- valid
  Melidectes belfordi (De Vis, 1890) -- valid -- Belford's Honeyeater, Belford's Melidectes, Méliphage de Belford, Mielero de Belford
  Melidectes foersteri (Rothschild & E. Hartert, 1911) -- valid -- Huon Honeyeater, Huon Melidectes, Méliphage de Foerster, Mielero de Foerster
  Melidectes fuscus (De Vis, 1897) -- invalid -- Sooty Honeyeater, Sooty Melidectes
  Melidectes leucostephes (A. B. Meyer, 1874) -- valid -- White-capped Honeyeater, Vogelkop Melidectes, Vogelkop Honeyeater, Méliphage à face blanche, Mielero de Vogelkop
  Melidectes nouhuysi (van Oort, 1910) -- invalid -- Short-bearded Honeyeater, Short-bearded Melidectes
  Melidectes ochromelas (A. B. Meyer, 1874) -- valid -- Cinnamon-browed Honeyeater, Cinnamon-browed Melidectes, Méliphage à sourcils roux, Mielero cejirrufo
  Melidectes princeps Mayr & Gilliard, 1951 -- invalid -- Long-bearded Honeyeater, Long-bearded Melidectes
  Melidectes rufocrissalis (Reichenow, 1915) -- valid -- Yellow-browed Honeyeater, Yellow-browed Melidectes, Méliphage de Reichenow, Mielero cejiamarillo
  Melidectes sclateri (G. R. Gray, 1870) -- invalid
  Melidectes torquatus P. L. Sclater, 1874 -- valid -- Ornate Honeyeater, Ornate Melidectes, Méliphage maquillé, Mielero maquillado
  Melidectes whitemanensis (Gilliard, 1960) -- invalid -- Gilliard's Honeyeater, Bismarck Honeyeater
  Melidora R. Lesson, 1830 -- valid
  Melidora macrorrhina (R. Lesson, 1827) -- valid -- Hook-billed Kingfisher, Martín cazador ganchudo, Martin-chasseur d'Euphrosine
  Melierax G. R. Gray, 1840 -- valid
  Melierax canorus (Thunberg, 1799) -- valid -- Pale Chanting Goshawk
  Melierax gabar (Daudin, 1800) -- invalid
  Melierax metabates Heuglin, 1861 -- valid -- Dark Chanting Goshawk
  Melierax poliopterus Cabanis, 1868 -- valid -- Eastern Chanting Goshawk
  Melignomon Reichenow, 1898 -- valid
  Melignomon eisentrauti Louette, 1981 -- valid -- Yellow-footed Honeyguide
  Melignomon zenkeri Reichenow, 1898 -- valid -- Zenker's Honeyguide
  Melilestes Salvadori, 1876 -- valid
  Melilestes megarhynchus (G. R. Gray, 1858) -- valid -- Long-billed Honeyeater, Méliphage à long bec, Mielero piquilargo
  Meliphaga Lewin, 1808 -- valid
  Meliphaga albilineata (H. L. White, 1917) -- invalid -- White-lined Honeyeater
  Meliphaga albonotata (Salvadori, 1876) -- invalid -- Scrub Honeyeater
  Meliphaga analoga (Reichenbach, 1852) -- invalid -- Mimic Honeyeater
  Meliphaga aruensis (Sharpe, 1884) -- valid -- Puff-backed Honeyeater, Méliphage bouffant, Mielero de las Aru
  Meliphaga flavirictus (Salvadori, 1880) -- invalid -- Yellow-gaped Honeyeater
  Meliphaga gracilis (Gould, 1866) -- invalid -- Graceful Honeyeater
  Meliphaga lewinii (Swainson, 1837) -- valid -- Lewin's Honeyeater, Méliphage de Lewin, Mielero de Lewin
  Meliphaga mimikae (Ogilvie-Grant, 1911) -- invalid -- Mottle-breasted Honeyeater
  Meliphaga montana (Salvadori, 1880) -- invalid -- Forest Honeyeater
  Meliphaga notata (Gould, 1867) -- valid -- Yellow-spotted Honeyeater, Méliphage marqué, Mielero marcado
  Meliphaga orientalis (A. B. Meyer, 1894) -- invalid -- Hill-forest Honeyeater, Mountain Honeyeater
  Meliphaga reticulata Temminck, 1820 -- invalid -- Streaky-breasted Honeyeater
  Meliphaga vicina (Rothschild & E. Hartert, 1912) -- invalid -- Tagula Honeyeater
  Meliphagidae -- valid -- Honeyeaters
  Melipotes P. L. Sclater, 1874 -- valid
  Melipotes ater Rothschild & E. Hartert, 1911 -- valid -- Spangled Honeyeater, Méliphage pailleté, Mielero moteado
  Melipotes fumigatus A. B. Meyer, 1886 -- valid -- Smoky Honeyeater, Common Smoky Honeyeater, Plain Smoky Honeyeater, Méliphage enfumé, Mielero ahumado
  Melipotes gymnops P. L. Sclater, 1874 -- valid -- Bare-eyed Honeyeater, Arfak Honeyeater, Méliphage à ventre tacheté, Mielero de las Arfak
  Melithreptus Vieillot, 1816 -- valid
  Melithreptus affinis (R. Lesson, 1839) -- valid -- Black-headed Honeyeater, Méliphage à tête noire, Mielero carinegro
  Melithreptus albogularis Gould, 1848 -- valid -- White-throated Honeyeater, Méliphage à menton blanc, Mielero goliblanco
  Melithreptus brevirostris (Vigors & Horsfield, 1827) -- valid -- Brown-headed Honeyeater, Méliphage à tête brune, Mielero cabecipardo
  Melithreptus gularis (Gould, 1837) -- valid -- Black-chinned Honeyeater, Méliphage à menton noir, Mielero barbinegro
  Melithreptus laetior Gould, 1875 -- invalid -- Golden-backed Honeyeater
  Melithreptus lunatus (Vieillot, 1802) -- valid -- White-naped Honeyeater, Méliphage à lunule, Mielero nuquiblanco oriental, melífago-de-nuca-branca
  Melithreptus validirostris (Gould, 1837) -- valid -- Strong-billed Honeyeater, Méliphage à bec fort, Mielero picudo, melífago-de-bico-grosso
  Melitograis Sundevall, 1872 -- valid
  Melitograis gilolensis (Bonaparte, 1850) -- valid -- White-streaked Friarbird, Polochion strié, Filemón estriado
  Mellisuga Brisson, 1760 -- valid
  Mellisuga helenae (Lembeye, 1850) -- valid -- Bee Hummingbird
  Mellisuga minima (Linnaeus, 1758) -- valid -- Vervain Hummingbird
  Melocichla Hartlaub, 1857 -- valid
  Melocichla mentalis (Fraser, 1843) -- valid -- Moustached Grass Warbler
  Melophus Swainson, 1837 -- invalid
  Melophus lathami (J. E. Gray, 1831) -- invalid -- Crested Bunting
  Melopsittacus Gould, 1840 -- valid -- Budgerigars
  Melopsittacus undulatus (Shaw, 1805) -- valid -- Budgerigar, Perruche ondulée, Periquito común, periquito-australiano
  Melopyrrha Bonaparte, 1853 -- valid
  Melopyrrha nigra (Linnaeus, 1758) -- valid -- Cuban Bullfinch, Pèrenoir négrito, Semillero negrito
  Melospiza S. F. Baird, 1858 -- valid -- Song Sparrows
  Melospiza georgiana (Latham, 1790) -- valid -- Chingolo pantanero, tico-tico-dos-pântanos, Swamp Sparrow, bruant des marais, Gorrión pantanero
  Melospiza lincolnii (Audubon, 1834) -- valid -- Chingolo de Lincoln, tico-tico-de-lincoln, Gorrión de Lincoln, Lincoln's Sparrow, bruant de Lincoln
  Melospiza melodia (A. Wilson, 1810) -- valid -- Chingolo cantor, tico-tico-musical, Gorrión cantor, Song Sparrow, bruant chanteur
  Melozone Reichenbach, 1850 -- valid
  Melozone biarcuatum (Prévost & Des Murs, 1842) -- invalid -- Rascador patilludo
  Melozone kieneri (Bonaparte, 1850) -- valid -- Rascador nuca rufa, Rusty-crowned Ground Sparrow, Rusty-crowned Ground-Sparrow, Tohi de Kiener, Toquí nuquirrufo, Rusty-crowned Ground-sparrow
  Melozone leucotis Cabanis, 1861 -- valid -- Rascador oreja blanca, White-eared Ground Sparrow, White-eared Ground-Sparrow, Tohi oreillard, Toquí orejiblanco, White-eared Ground-sparrow
  Menura Latham, 1802 -- valid
  Menura alberti Bonaparte, 1850 -- valid -- Albert's Lyrebird
  Menura novaehollandiae Latham, 1802 -- valid -- Superb Lyrebird
  Menuridae -- valid
  Merganetta Gould, 1842 -- valid
  Merganetta armata Gould, 1842 -- valid -- Torrent Duck, Merganette des torrents, Pato torrentero, pato-das-torrentes
  Mergellus Selby, 1840 -- valid -- Smews
  Mergellus albellus (Linnaeus, 1758) -- valid -- Smew, Harle piette, Serreta chica, merganso-pequeno
  Mergus Linnaeus, 1758 -- valid -- Greater Mergansers
  Mergus australis Hombron & Jacquinot, 1841 -- valid -- New Zealand Merganser, Harle Austral, Serreta de las Auckland, merganso-de-auckland, Auckland Island Merganser, Auckland Islands Merganser
  Mergus merganser Linnaeus, 1758 -- valid -- Mergo mayor, Common Merganser, Grand Harle, Serreta grande, merganso-grande, Goosander
  Mergus octosetaceus Vieillot, 1817 -- valid -- Brazilian Merganser, Harle huppard, Serreta brasileña, pato-mergulhão
  Mergus serrator Linnaeus, 1758 -- valid -- Mergo copetón, Red-breasted Merganser, Harle huppé, Serreta mediana, merganso-de-poupa
  Mergus squamatus Gould, 1864 -- valid -- Scaly-sided Merganser, Harle de Chine, Serreta china, merganso-de-flanco-escamoso
  Meropidae -- valid -- Bee-eaters
  Meropogon Bonaparte, 1850 -- valid
  Meropogon forsteni Bonaparte, 1850 -- valid -- Purple-bearded Bee-eater, abelharuco-purpúreo, Abejaruco de Célebes, Guêpier des Célèbes
  Merops Linnaeus, 1758 -- valid
  Merops albicollis Vieillot, 1817 -- valid -- White-throated Bee-eater, abelharuco-de-garganta-branca, Abejaruco gorjiblanco, Guêpier à gorge blanche
  Merops apiaster Linnaeus, 1758 -- valid -- European Bee-eater, abelharuco-comum, Abejaruco europeo, Guêpier d'Europe
  Merops boehmi Reichenow, 1882 -- valid -- Böhm's Bee-eater, abelharuco-de-böhm, Abejaruco de Boehm, Guêpier de Böhm
  Merops breweri (Cassin, 1859) -- valid -- Black-headed Bee-eater, abelharuco-de-cabeça-preta, Abejaruco cabecinegro, Guêpier à tête noire
  Merops bullockoides A. Smith, 1834 -- valid -- White-fronted Bee-eater, abelharuco-de-testa-branca, Abejaruco frentiblanco, Guêpier à front blanc
  Merops bulocki Vieillot, 1817 -- valid -- Red-throated Bee-eater, abelharuco-verde-e-vermelho, Abejaruco gorjirrojo, Guêpier à gorge rouge
  Merops gularis Shaw, 1798 -- valid -- Black Bee-eater, abelharuco-preto, Abejaruco negro, Guêpier noir
  Merops hirundineus A. A. H. Lichtenstein, 1793 -- valid -- Swallow-tailed Bee-eater, abelharuco-andorinha, Abejaruco golondrina, Guêpier à queue d'aronde
  Merops leschenaulti Vieillot, 1817 -- valid -- Chestnut-headed Bee-eater, abelharuco-de-cabeça-castanha, Abejaruco cabecirrufo, Guêpier de Leschenault
  Merops malimbicus Shaw, 1806 -- valid -- Rosy Bee-eater, abelharuco-rosado, Abejaruco de Malimba, Guêpier gris-rose
  Merops muelleri (Cassin, 1857) -- valid -- Blue-headed Bee-eater, abelharuco-de-cabeça-azul, Abejaruco cabeciazul oriental, Guêpier à tête bleue
  Merops nubicoides Des Murs & Pucheran, 1846 -- valid -- Southern Carmine Bee-eater, abelharuco-carmim, Abejaruco carmesí sureño, Guêpier carmin
  Merops nubicus J. F. Gmelin, 1788 -- valid -- Northern Carmine Bee-eater, abelharuco-núbio, Abejaruco carmesí norteño, Guêpier écarlate
  Merops oreobates (Sharpe, 1892) -- valid -- Cinnamon-chested Bee-eater, abelharuco-de-peito-marrom, Abejaruco montano, Guêpier montagnard
  Merops orientalis Latham, 1801 -- valid -- Green Bee-eater, Asian Green Bee-eater, abelharuco-verde, Abejaruco esmeralda oriental, Guêpier d'Orient
  Merops ornatus Latham, 1801 -- valid -- Rainbow Bee-eater, abelharuco-colorido, Abejaruco australiano, Guêpier arc-en-ciel
  Merops persicus Pallas, 1773 -- valid -- Blue-cheeked Bee-eater, abelharuco-persa, Abejaruco persa, Guêpier de Perse
  Merops philippinus Linnaeus, 1767 -- valid -- Blue-tailed Bee-eater, abelharuco-de-cauda-azul, Abejaruco coliazul, Guêpier à queue d'azur
  Merops pusillus P. L. S. Müller, 1776 -- valid -- Little Bee-eater, abelharuco-dourado, Abejaruco chico, Guêpier nain
  Merops revoilii Oustalet, 1882 -- valid -- Somali Bee-eater, abelharuco-norte-africano, Abejaruco somalí, Guêpier de Révoil
  Merops superciliosus Linnaeus, 1766 -- valid -- Olive Bee-eater, abelharuco-de-faces-azuis, Abejaruco malgache, Guêpier de Madagascar, Madagascar Bee-eater
  Merops variegatus Vieillot, 1817 -- valid -- Blue-breasted Bee-eater, abelharuco-de-peito-azul, Abejaruco variegado, Guêpier à collier bleu
  Merops viridis Linnaeus, 1758 -- valid -- Blue-throated Bee-eater, abelharuco-de-garganta-azul, Abejaruco gorjiazul, Guêpier à gorge bleue
  Merulaxis Lesson, 1831 -- valid
  Merulaxis ater Lesson, 1831 -- valid -- Slaty Bristlefront
  Merulaxis stresemanni Sick, 1960 -- valid -- Stresemann's Bristlefront
  Mesembrinibis J. L. Peters, 1930 -- valid
  Mesembrinibis cayennensis (Gmelin, 1789) -- valid -- Green Ibis, Ibis vert
  Mesitornis Bonaparte, 1855 -- valid
  Mesitornis unicolor (Des Murs, 1845) -- valid -- Brown Mesite
  Mesitornis variegata (I. Geoffroy Saint-Hilaire, 1838) -- invalid
  Mesophoyx Sharpe, 1894 -- invalid
  Mesophoyx intermedia (Wagler, 1829) -- invalid -- Intermediate Egret, Héron intermédiaire
  Mestiornithidae -- invalid
  Metabolus Bonaparte, 1854 -- valid -- Truk Monarchs
  Metabolus rugensis (Hombron & Jacquinot, 1841) -- valid -- Truk Monarch, Chuuk Monarch
  Metallura Gould, 1847 -- valid
  Metallura aeneocauda (Gould, 1846) -- valid -- Scaled Metaltail
  Metallura baroni Salvin, 1893 -- valid -- Violet-throated Metaltail
  Metallura eupogon (Cabanis, 1874) -- valid -- Fiery-throated Metaltail
  Metallura iracunda Wetmore, 1946 -- valid -- Perija Metaltail
  Metallura odomae G. R. Graves, 1980 -- valid -- Neblina Metaltail
  Metallura phoebe (R. Lesson & Delattre, 1839) -- valid -- Black Metaltail
  Metallura theresiae Simon, 1902 -- valid -- Coppery Metaltail
  Metallura tyrianthina (Loddiges, 1832) -- valid -- Tyrian Metaltail
  Metallura williami (Delattre & Bourcier, 1846) -- valid -- Viridian Metaltail
  Metopidius Wagler, 1832 -- valid
  Metopidius indicus (Latham, 1790) -- valid -- Bronze-winged Jacana, Jacana bronzé, Jacana bronceada, jaçanã-asas-de-bronze
  Metopothrix P. L. Sclater & Salvin, 1866 -- valid
  Metopothrix aurantiacus P. L. Sclater & Salvin, 1866 -- invalid
  Metriopelia Bonaparte, 1855 -- valid
  Metriopelia aymara (Prévost, 1840) -- valid -- Golden-spotted Ground Dove
  Metriopelia ceciliae (R. Lesson, 1845) -- valid -- Bare-faced Ground Dove
  Metriopelia melanoptera (Molina, 1782) -- valid -- Black-winged Ground Dove
  Metriopelia morenoi (Sharpe, 1902) -- valid -- Moreno's Ground Dove
  Micrastur G. R. Gray, 1841 -- valid
  Micrastur buckleyi Swann, 1919 -- valid -- Buckley's Forest Falcon, Carnifex de Buckley, Halcón montés de Buckley, falcão-de-buckley
  Micrastur gilvicollis (Vieillot, 1817) -- valid -- Lined Forest Falcon, Carnifex à gorge cendrée, Halcón montés cabecigrís, falcão-mateiro
  Micrastur mirandollei (Schlegel, 1862) -- valid -- Slaty-backed Forest Falcon, Slaty-backed Forest-Falcon, Carnifex ardoisé, Halcón montés dorsigrís, tanatau
  Micrastur plumbeus W. L. Sclater, 1918 -- valid -- Plumbeous Forest Falcon, Carnifex plombé, Halcón montés plomizo, falcão-montês-plúmbeo
  Micrastur ruficollis (Vieillot, 1817) -- valid -- Barred Forest Falcon, Halcón-selvático barrado, Carnifex barré, Barred Forest-Falcon, Halcón montés agavilanado, falcão-caburé
  Micrastur semitorquatus (Vieillot, 1817) -- valid -- Collared Forest Falcon, Halcón-selvático de collar, Carnifex à collier, Collared Forest-Falcon, Halcón montés collarejo, falcão-relógio
  Micrathene Coues, 1866 -- valid -- Elf Owls
  Micrathene whitneyi (J. G. Cooper, 1861) -- valid -- Elf Owl, Tecolote enano
  Microbates P. L. Sclater & Salvin, 1873 -- valid
  Microbates cinereiventris (P. L. Sclater, 1855) -- valid -- Tawny-faced Gnatwren
  Microbates collaris (Pelzeln, 1868) -- valid -- Collared Gnatwren
  Microcerculus Sclater, 1862 -- invalid
  Microcerculus bambla (Boddaert, 1783) -- valid -- Wing-banded Wren
  Microcerculus marginatus (P. L. Sclater, 1855) -- valid -- Scaly-breasted Wren, Southern Nightingale-Wren
  Microcerculus philomela (Salvin, 1861) -- valid -- Chivirín ruiseñor, Nightingale Wren, Northern Nightingale-Wren
  Microcerculus ustulatus Salvin & Godman, 1883 -- valid -- Flutist Wren
  Microchera Gould, 1858 -- valid
  Microchera albocoronata (Lawrence, 1855) -- valid -- Snowcap
  Microdynamis Salvadori, 1878 -- valid
  Microdynamis parva (Salvadori, 1876) -- valid -- Dwarf Koel
  Microeca Gould, 1841 -- valid
  Microeca fascinans (Latham, 1802) -- valid -- Jacky Winter
  Microeca flavigaster Gould, 1843 -- valid -- Lemon-bellied Flyrobin
  Microeca flavovirescens G. R. Gray, 1858 -- valid -- Olive Flyrobin
  Microeca griseoceps De Vis, 1894 -- valid -- Yellow-legged Flyrobin
  Microeca hemixantha P. L. Sclater, 1883 -- valid -- Golden-bellied Flyrobin
  Microeca papuana A. B. Meyer, 1875 -- valid -- Canary Flyrobin
  Microgoura Rothschild, 1904 -- valid
  Microgoura meeki Rothschild, 1904 -- valid -- Choiseul Pigeon
  Microhierax Sharpe, 1874 -- valid
  Microhierax caerulescens (Linnaeus, 1758) -- valid -- Collared Falconet, Fauconnet à collier, Falconete acollarado, falconete-de-colar
  Microhierax erythrogenys (Vigors, 1831) -- valid -- Philippine Falconet, Fauconnet des Philippines, Falconete filipino, falconete-bicolor
  Microhierax fringillarius (Drapiez, 1824) -- valid -- Black-thighed Falconet, Fauconnet moineau, Falconete indonesio, falconete-de-coxas-pretas
  Microhierax latifrons Sharpe, 1879 -- valid -- White-fronted Falconet, Fauconnet de Bornéo, Falconete de Borneo, falconete-de-fronte-branca
  Microhierax melanoleucus (Blyth, 1843) -- invalid
  Microligea Cory, 1884 -- valid
  Microligea palustris (Cory, 1884) -- valid -- Green-tailed Warbler, Paruline aux yeux rouges
  Micromacronus Amadon, 1962 -- valid
  Micromacronus leytensis Amadon, 1962 -- valid -- Miniature Tit-Babbler
  Micromonacha P. L. Sclater, 1881 -- valid
  Micromonacha lanceolata (Deville, 1849) -- valid -- Lanceolated Monklet
  Microparra Cabanis, 1877 -- valid
  Microparra capensis (A. Smith, 1839) -- valid -- Lesser Jacana, Jacana nain, Jacana chica, jaçanã-pequena
  Micropsitta R. Lesson, 1831 -- valid
  Micropsitta bruijnii (Salvadori, 1875) -- valid -- Rose-breasted Pygmy Parrot, Red-breasted Pygmy Parrot, Red-breasted Pygmy-parrot, Micropsitte de Bruijn, Microloro pechirrojo, papagaio-pigmeu-de-peito-vermelho
  Micropsitta finschii (E. P. Ramsay, 1881) -- valid -- Emerald Pygmy Parrot, Finsch's Pygmy Parrot, Green Pygmy Parrot, Green Pygmy-parrot, Finsch's Pygmy-Parrot, Micropsitte de Finsch, Microloro de Finsch
  Micropsitta geelvinkiana (Schlegel, 1871) -- valid -- Geelvink Pygmy Parrot, Geelvink Pygmy-parrot, Micropsitte de Geelvink, Microloro de Geelvink
  Micropsitta keiensis (Salvadori, 1876) -- valid -- Yellow-capped Pygmy Parrot, Yellow-capped Pygmy-parrot, Micropsitte pygmée, Microloro de las Kai
  Micropsitta meeki Rothschild & Hartert, 1914 -- valid -- Citrine Pygmy Parrot, Meek's Pygmy Parrot, Yellow-breasted Pygmy Parrot, Yellow-breasted Pygmy-parrot, Meek's Pygmy-Parrot, Micropsitte de Meek, Microloro de Meek
  Micropsitta pusio (P. L. Sclater, 1866) -- valid -- Buff-faced Pygmy Parrot, Buff-faced Pygmy-parrot, Micropsitte à tête fauve, Microloro pusio, papagaio-pigmeu
  Micropygia Bonaparte, 1856 -- valid
  Micropygia schomburgkii (Cabanis, 1848) -- valid -- Ocellated Crake
  Microrhopias P. L. Sclater, 1862 -- valid
  Microrhopias quixensis (Cornalia, 1849) -- valid -- Hormiguero ala punteada, Dot-winged Antwren
  Microstilbon Todd, 1913 -- valid
  Microstilbon burmeisteri (P. L. Sclater, 1888) -- valid -- Slender-tailed Woodstar
  Miliaria C. L. Brehm, 1831 -- invalid
  Miliaria calandra (Linnaeus, 1758) -- invalid
  Milvago Spix, 1824 -- valid
  Milvago chimachima (Vieillot, 1816) -- valid -- Yellow-headed Caracara, Caracara à tête jaune, Caracara chimachima, carrapateiro
  Milvago chimango (Vieillot, 1816) -- valid -- Chimango Caracara, Caracara chimango, Caracara chimango, chimango
  Milvus Lacepede, 1799 -- valid -- Black Kites
  Milvus lineatus (J. E. Gray, 1831) -- invalid
  Milvus migrans (Boddaert, 1783) -- valid -- Black Kite, Milan noir
  Milvus milvus (Linnaeus, 1758) -- valid -- Red Kite
  Mimizuku Hachisuka, 1934 -- invalid
  Mimizuku gurneyi (Tweeddale, 1879) -- invalid -- Giant Scops Owl
  Mimodes Ridgway, 1882 -- invalid
  Mimodes graysoni (Lawrence, 1871) -- invalid -- Centzontle de Socorro, Socorro Mockingbird
  Mimus F. Boie, 1826 -- valid -- Mockingbirds
  Mimus dorsalis (Orbigny & Lafresnaye, 1837) -- valid -- Brown-backed Mockingbird
  Mimus gilvus (Vieillot, 1808) -- valid -- Centzontle tropical, Tropical Mockingbird
  Mimus gundlachii Cabanis, 1855 -- valid -- Bahama Mockingbird
  Mimus longicaudatus Tschudi, 1844 -- valid -- Long-tailed Mockingbird
  Mimus patagonicus (Orbigny & Lafresnaye, 1837) -- valid -- Patagonian Mockingbird
  Mimus polyglottos (Linnaeus, 1758) -- valid -- Centzontle norteño, Northern Mockingbird, moqueur polyglotte
  Mimus saturninus (Lichtenstein, 1823) -- valid -- Chalk-browed Mockingbird
  Mimus thenca (Molina, 1782) -- valid -- Chilean Mockingbird
  Mimus triurus (Vieillot, 1818) -- valid -- White-banded Mockingbird
  Minla Hodgson, 1837 -- valid
  Minla cyanouroptera (Hodgson, 1837) -- valid -- Blue-winged Minla
  Minla ignotincta Hodgson, 1837 -- valid -- Red-tailed Minla
  Minla strigula (Hodgson, 1837) -- valid -- Chestnut-tailed Minla
  Mino Lesson, 1827 -- valid
  Mino anais (Lesson, 1839) -- valid -- Golden Myna
  Mino dumontii Lesson, 1827 -- valid -- Yellow-faced Myna
  Mionectes Cabanis, 1844 -- valid
  Mionectes macconnelli (Chubb, 1919) -- valid -- McConnell's Flycatcher
  Mionectes oleagineus (Lichtenstein, 1823) -- valid -- Ochre-bellied Flycatcher, Mosquero ocrillo
  Mionectes olivaceus Lawrence, 1868 -- valid -- Olive-striped Flycatcher
  Mionectes rufiventris Cabanis, 1846 -- valid -- Grey-hooded Flycatcher
  Mionectes striaticollis (Orbigny & Lafresnaye, 1837) -- valid -- Streak-necked Flycatcher
  Mirafra Horsfield, 1821 -- valid
  Mirafra africana A. Smith, 1836 -- valid -- Rufous-naped Lark
  Mirafra africanoides A. Smith, 1836 -- invalid -- Fawn-colored Lark
  Mirafra albicauda Reichenow, 1891 -- valid -- White-tailed Lark
  Mirafra alopex Sharpe, 1890 -- invalid -- Foxy Lark
  Mirafra angolensis Bocage, 1880 -- valid -- Angola Lark
  Mirafra apiata (Vieillot, 1816) -- valid -- Clapper Lark
  Mirafra ashi Colston, 1982 -- valid -- Ash's Lark
  Mirafra assamica Horsfield, 1840 -- valid -- Bengal Bush Lark
  Mirafra cantillans Blyth, 1845 -- valid -- Singing Bush Lark
  Mirafra cheniana A. Smith, 1843 -- valid -- Melodious Lark
  Mirafra collaris Sharpe, 1896 -- valid -- Collared Lark
  Mirafra cordofanica Strickland, 1852 -- valid -- Kordofan Lark
  Mirafra degodiensis Erard, 1976 -- invalid -- Degodi Lark
  Mirafra erythroptera Blyth, 1845 -- valid -- Indian Bush Lark
  Mirafra gilletti Sharpe, 1895 -- valid -- Gillett's Lark
  Mirafra hova Hartlaub, 1860 -- valid -- Madagascar Lark
  Mirafra hypermetra (Reichenow, 1879) -- valid -- Red-winged Lark
  Mirafra javanica Horsfield, 1821 -- valid -- Horsfield's Bush Lark
  Mirafra naevia (Strickland, 1853) -- invalid
  Mirafra passerina Gyldenstolpe, 1926 -- valid -- Monotonous Lark
  Mirafra poecilosterna (Reichenow, 1879) -- invalid -- Pink-breasted Lark
  Mirafra pulpa Friedmann, 1930 -- valid -- Friedmann's Lark
  Mirafra rufa Lynes, 1920 -- valid -- Rusty Bush Lark
  Mirafra rufocinnamomea (Salvadori, 1865) -- valid -- Flappet Lark
  Mirafra sabota A. Smith, 1836 -- invalid -- Sabota Lark
  Mirafra sharpii Elliot, 1897 -- invalid
  Mirafra somalica (Witherby, 1903) -- valid -- Somali Lark
  Mirafra williamsi Macdonald, 1956 -- valid -- Williams's Lark
  Mitrephanes Coues, 1882 -- valid
  Mitrephanes olivaceus Berlepsch & Stolzmann, 1894 -- valid -- Olive Tufted Flycatcher
  Mitrephanes phaeocercus (P. L. Sclater, 1859) -- valid -- Tufted Flycatcher, Mosquero copetón, Northern Tufted Flycatcher
  Mitrospingus Ridgway, 1898 -- valid
  Mitrospingus cassinii (Lawrence, 1861) -- valid -- Dusky-faced Tanager, Mitrospin obscur, Tangara carinegruzca
  Mitrospingus oleagineus (Salvin, 1886) -- valid -- Olive-backed Tanager, Mitrospin à dos olive, Tangara dorsioliva, pipira-olivácea
  Mitu R. Lesson, 1831 -- valid
  Mitu mitu (Linnaeus, 1766) -- valid -- Hocco mitou, Paují de Alagoas, mutum-do-nordeste, Alagoas Curassow
  Mitu salvini Reinhardt, 1879 -- valid -- Hocco de Salvin, Paují culiblanco, mutum-de-ventre-branco, Salvin's Curassow
  Mitu tomentosa (Spix, 1825) -- invalid
  Mitu tuberosa (Spix, 1825) -- invalid
  Mniotilta Vieillot, 1816 -- valid -- Black-and-white Warblers
  Mniotilta varia (Linnaeus, 1766) -- valid -- Chipe trepador, Black-and-white Warbler, Paruline noir et blanc
  Modulatrix Ripley, 1952 -- valid
  Modulatrix stictigula (Reichenow, 1906) -- valid -- Spot-throat
  Moho Lesson, 1830 -- valid -- 'O'os, 'O'os
  Moho apicalis Gould, 1861 -- valid -- Oahu 'O'o, Oahu Oo, Oahu 'O'o, Oahu Oo
  Moho bishopi (Rothschild, 1893) -- valid -- Bishop's 'O'o, Bishop's Oo, Bishop's 'O'o, Bishop's Oo
  Moho braccatus Cassin, 1855 -- valid -- Honeyeater, Kauai 'O'o, O'o A'a, Kauai Oo, Honeyeater, Kauai 'O'o, O'o A'a, Kauai Oo
  Moho nobilis (Merrem, 1786) -- valid -- Hawaii 'O'o, Hawaii Oo, Hawaii 'O'o, Hawaii Oo
  Mohoua Lesson, 1837 -- valid
  Mohoua albicilla (Lesson, 1830) -- valid -- Whitehead
  Mohoua novaeseelandiae (Gmelin, 1789) -- invalid
  Mohoua ochrocephala (Gmelin, 1789) -- valid -- Yellowhead
  Molothrus Swainson, 1832 -- valid -- Cowbirds
  Molothrus aeneus (Wagler, 1829) -- valid -- Bronzed Cowbird, Tordo ojo rojo
  Molothrus ater (Boddaert, 1783) -- valid -- Tordo cabeza café, Brown-headed Cowbird, vacher à tête brune
  Molothrus badius (Vieillot, 1819) -- invalid
  Molothrus bonariensis (Gmelin, 1789) -- valid -- Shiny Cowbird
  Molothrus rufoaxillaris Cassin, 1866 -- valid -- Screaming Cowbird
  Momotidae -- valid -- Motmots
  Momotus Brisson, 1760 -- valid
  Momotus mexicanus Swainson, 1827 -- valid -- Momoto corona café, Russet-crowned Motmot, Momoto mexicano, Motmot à tête rousse
  Momotus momota (Linnaeus, 1766) -- valid -- Momoto corona azul, Blue-crowned Motmot, Amazonian Motmot, udu, Momoto amazónico, Motmot houtouc
  Monachella Salvadori, 1874 -- valid
  Monachella muelleriana (Schlegel, 1871) -- valid -- Torrent Flyrobin
  Monarcha Vigors & Horsfield, 1827 -- valid -- Monarchs
  Monarcha axillaris Salvadori, 1876 -- invalid -- Black Monarch
  Monarcha barbatus E. P. Ramsay, 1879 -- invalid -- Solomons Monarch
  Monarcha boanensis Bemmel, 1939 -- invalid -- Black-chinned Monarch
  Monarcha brehmii Schlegel, 1871 -- invalid -- Biak Monarch
  Monarcha browni E. P. Ramsay, 1883 -- invalid -- Kulambangra Monarch
  Monarcha castaneiventris J. Verreaux, 1858 -- valid -- Chestnut-bellied Monarch
  Monarcha castus P. L. Sclater, 1883 -- invalid
  Monarcha chrysomela (Lesson & Garnot, 1827) -- invalid -- Golden Monarch
  Monarcha cinerascens (Temminck, 1827) -- valid -- Island Monarch
  Monarcha erythrostictus (Sharpe, 1888) -- valid -- Bougainville Monarch
  Monarcha everetti Hartert, 1896 -- invalid -- White-tipped Monarch
  Monarcha frater P. L. Sclater, 1874 -- valid -- Black-winged Monarch
  Monarcha godeffroyi Hartlaub, 1868 -- valid -- Yap Monarch
  Monarcha guttulus (Lesson & Garnot, 1829) -- invalid -- Spot-winged Monarch
  Monarcha infelix P. L. Sclater, 1877 -- invalid -- Manus Monarch
  Monarcha julianae Ripley, 1959 -- invalid -- Kofiau Monarch
  Monarcha leucotis Gould, 1851 -- invalid -- White-eared Monarch
  Monarcha leucurus G. R. Gray, 1858 -- invalid -- White-tailed Monarch
  Monarcha loricatus Wallace, 1863 -- invalid -- Black-tipped Monarch
  Monarcha manadensis (Quoy & Gaimard, 1830) -- invalid -- Hooded Monarch
  Monarcha melanopsis (Vieillot, 1818) -- valid -- Black-faced Monarch
  Monarcha menckei Heinroth, 1902 -- invalid -- Mussau Monarch
  Monarcha mundus P. L. Sclater, 1883 -- invalid -- Black-bibbed Monarch
  Monarcha pileatus Salvadori, 1878 -- invalid -- White-naped Monarch
  Monarcha richardsii (E. P. Ramsay, 1881) -- valid -- White-capped Monarch
  Monarcha rubiensis (A. B. Meyer, 1874) -- valid -- Rufous Monarch
  Monarcha sacerdotum Mees, 1973 -- invalid -- Flores Monarch
  Monarcha takatsukasae (Yamashina, 1931) -- valid -- Tinian Monarch
  Monarcha trivirgatus (Temminck, 1826) -- invalid -- Spectacled Monarch
  Monarcha verticalis P. L. Sclater, 1877 -- invalid -- Black-tailed Monarch
  Monarcha viduus (Tristram, 1879) -- invalid -- White-collared Monarch
  Monasa Vieillot, 1816 -- valid
  Monasa atra (Boddaert, 1783) -- valid -- Black Nunbird
  Monasa flavirostris Strickland, 1850 -- valid -- Yellow-billed Nunbird
  Monasa morphoeus (Hahn & Küster, 1823) -- valid -- White-fronted Nunbird
  Monasa nigrifrons (von Spix, 1824) -- valid -- Black-fronted Nunbird
  Monias Oustalet & G. Grandidier, 1903 -- valid
  Monias benschi Oustalet & G. Grandidier, 1903 -- valid -- Subdesert Mesite
  Monticola F. Boie, 1822 -- valid -- Rock-Thrushes
  Monticola angolensis Sousa, 1888 -- valid -- Miombo Rock Thrush
  Monticola brevipes (Waterhouse, 1838) -- valid -- Short-toed Rock Thrush
  Monticola cinclorhynchus (Vigors, 1832) -- valid -- Blue-capped Rock Thrush
  Monticola explorator (Vieillot, 1818) -- valid -- Sentinel Rock Thrush
  Monticola gularis (Swinhoe, 1863) -- valid -- White-throated Rock Thrush
  Monticola pretoriae Gunning & Roberts, 1911 -- invalid -- Pretoria Rock Thrush
  Monticola rufiventris (Jardine & Selby, 1833) -- valid -- Chestnut-bellied Rock Thrush
  Monticola rufocinereus (Rüppell, 1837) -- valid -- Little Rock Thrush
  Monticola rupestris (Vieillot, 1818) -- valid -- Cape Rock Thrush
  Monticola saxatilis (Linnaeus, 1766) -- valid -- Rufous-tailed Rock Thrush
  Monticola solitarius (Linnaeus, 1758) -- valid -- Blue Rock-Thrush, Blue Rock Thrush
  Montifringilla C. L. Brehm, 1828 -- valid
  Montifringilla adamsi Adams, 1859 -- valid -- Tibetan Snowfinch
  Montifringilla blanfordi Hume, 1876 -- invalid
  Montifringilla davidiana (J. Verreaux, 1870) -- invalid
  Montifringilla nivalis (Linnaeus, 1766) -- valid -- White-winged Snowfinch
  Montifringilla ruficollis Blanford, 1871 -- invalid
  Montifringilla taczanowskii Prjevalsky, 1876 -- invalid
  Montifringilla theresae Meinertzhagen, 1937 -- invalid
  Morococcyx P. L. Sclater, 1862 -- valid
  Morococcyx erythropygus (Lesson, 1842) -- valid -- Cuclillo terrestre, Lesser Ground Cuckoo, Lesser Ground-Cuckoo
  Morphnus Dumont, 1816 -- valid
  Morphnus guianensis (Daudin, 1800) -- valid -- Águila crestada, Crested Eagle, Harpie huppée
  Morus Vieillot, 1816 -- valid
  Morus bassanus (Linnaeus, 1758) -- valid -- Northern Gannet, Bobo norteño, Fou de Bassan
  Morus capensis (Lichtenstein, 1823) -- valid -- Cape Gannet
  Morus serrator (G. R. Gray, 1843) -- valid -- Australasian Gannet
  Motacilla Linnaeus, 1758 -- valid -- Wagtails
  Motacilla aguimp Dumont, 1821 -- invalid
  Motacilla alba Linnaeus, 1758 -- valid -- Lavandera blanca, White Wagtail
  Motacilla capensis Linnaeus, 1766 -- valid -- Cape Wagtail
  Motacilla cinerea Tunstall, 1771 -- valid -- Gray Wagtail, Grey Wagtail
  Motacilla citreola Pallas, 1776 -- valid -- Citrine Wagtail
  Motacilla clara Sharpe, 1908 -- valid -- Mountain Wagtail, Grey-backed Wagtail, Long-tailed Wagtail
  Motacilla flava Linnaeus, 1758 -- valid -- Yellow Wagtail, Western Yellow Wagtail
  Motacilla flaviventris Hartlaub, 1860 -- valid -- Madagascar Wagtail
  Motacilla grandis Sharpe, 1885 -- valid -- Japanese Wagtail
  Motacilla lugens Gloger, 1829 -- invalid -- Black-backed Wagtail
  Motacilla madaraspatensis J. F. Gmelin, 1789 -- invalid
  Mulleripicus Bonaparte, 1854 -- valid
  Mulleripicus fulvus (Quoy & Gaimard, 1832) -- valid -- Ashy Woodpecker
  Mulleripicus funebris (Valenciennes, 1826) -- valid -- Sooty Woodpecker
  Mulleripicus pulverulentus (Temminck, 1826) -- valid -- Great Slaty Woodpecker
  Muscicapa Brisson, 1760 -- valid -- Old World Flycatchers
  Muscicapa adusta (F. Boie, 1828) -- valid -- African Dusky Flycatcher
  Muscicapa aquatica Heuglin, 1864 -- valid -- Swamp Flycatcher
  Muscicapa boehmi (Reichenow, 1884) -- valid -- Böhm's Flycatcher
  Muscicapa caerulescens (Hartlaub, 1865) -- valid -- Ashy Flycatcher
  Muscicapa cassini Heine, 1860 -- valid -- Cassin's Flycatcher
  Muscicapa comitata (Cassin, 1857) -- valid -- Dusky-blue Flycatcher
  Muscicapa dauurica Pallas, 1811 -- invalid -- Asian Brown Flycatcher
  Muscicapa epulata (Cassin, 1855) -- valid -- Little Grey Flycatcher
  Muscicapa ferruginea (Hodgson, 1845) -- valid -- Ferruginous Flycatcher
  Muscicapa gambagae (Alexander, 1901) -- valid -- Gambaga Flycatcher
  Muscicapa griseisticta (Swinhoe, 1861) -- valid -- Gray-spotted Flycatcher, Grey-streaked Flycatcher, Gray-streaked Flycatcher
  Muscicapa infuscata (Cassin, 1855) -- valid -- Sooty Flycatcher
  Muscicapa itombwensis Prigogine, 1957 -- valid -- Itombwe Flycatcher
  Muscicapa lendu (Chapin, 1932) -- valid -- Chapin's Flycatcher
  Muscicapa muttui (E. L. Layard, 1854) -- valid -- Brown-breasted Flycatcher
  Muscicapa olivascens (Cassin, 1859) -- valid -- Olivaceous Flycatcher
  Muscicapa randi Amadon & duPont, 1970 -- valid -- Ashy-breasted Flycatcher
  Muscicapa ruficauda Swainson, 1838 -- valid -- Rusty-tailed Flycatcher
  Muscicapa segregata (Siebers, 1928) -- valid -- Sumba Brown Flycatcher
  Muscicapa sethsmithi (Someren, 1922) -- valid -- Yellow-footed Flycatcher
  Muscicapa sibirica Gmelin, 1789 -- valid -- Siberian Flycatcher, Dark-sided Flycatcher
  Muscicapa striata (Pallas, 1764) -- valid -- Spotted Flycatcher
  Muscicapa tessmanni (Reichenow, 1907) -- valid -- Tessmann's Flycatcher
  Muscicapa ussheri (Sharpe, 1871) -- valid -- Ussher's Flycatcher
  Muscicapella Bianchi, 1907 -- valid
  Muscicapella hodgsoni (Moore, 1854) -- valid -- Pygmy Flycatcher
  Muscicapidae Fleming, 1822 -- valid -- Old World Flycatchers, Chats
  Muscigralla Orbigny & Lafresnaye, 1837 -- valid
  Muscigralla brevicauda Orbigny & Lafresnaye, 1837 -- valid -- Short-tailed Field Tyrant
  Muscipipra Lesson, 1831 -- valid
  Muscipipra vetula (Lichtenstein, 1823) -- valid -- Shear-tailed Grey Tyrant
  Muscisaxicola Orbigny & Lafresnaye, 1837 -- valid
  Muscisaxicola albifrons (Tschudi, 1844) -- valid -- White-fronted Ground Tyrant
  Muscisaxicola albilora Lafresnaye, 1855 -- valid -- White-browed Ground Tyrant
  Muscisaxicola alpina (Jardine, 1849) -- invalid
  Muscisaxicola capistrata (Burmeister, 1860) -- invalid
  Muscisaxicola cinerea Philippi & Landbeck, 1864 -- invalid
  Muscisaxicola flavinucha Lafresnaye, 1855 -- valid -- Ochre-naped Ground Tyrant
  Muscisaxicola fluviatilis P. L. Sclater & Salvin, 1866 -- valid -- Little Ground Tyrant
  Muscisaxicola frontalis (Burmeister, 1860) -- valid -- Black-fronted Ground Tyrant
  Muscisaxicola juninensis Taczanowski, 1884 -- valid -- Puna Ground Tyrant
  Muscisaxicola macloviana (Garnot, 1826) -- invalid
  Muscisaxicola maculirostris Orbigny & Lafresnaye, 1837 -- valid -- Spot-billed Ground Tyrant
  Muscisaxicola rufivertex Orbigny & Lafresnaye, 1837 -- valid -- Rufous-naped Ground Tyrant
  Musophaga Isert, 1788 -- valid
  Musophaga johnstoni (Sharpe, 1901) -- invalid
  Musophaga porphyreolopha (Vigors, 1831) -- invalid
  Musophaga rossae Gould, 1852 -- valid -- Ross's Turaco
  Musophaga violacea Isert, 1788 -- valid -- Violet Turaco
  Musophagidae -- valid -- Turacos
  Musophagiformes -- valid
  Myadestes Swainson, 1838 -- valid -- Hawaiian Thrushes, Solitaires
  Myadestes coloratus Nelson, 1912 -- valid -- Varied Solitaire
  Myadestes elisabeth (Lembeye, 1850) -- valid -- Cuban Solitaire
  Myadestes genibarbis Swainson, 1838 -- valid -- Rufous-throated Solitaire
  Myadestes lanaiensis (S. B. Wilson, 1891) -- valid -- Oloma'o, Olomao
  Myadestes melanops Salvin, 1865 -- valid -- Black-faced Solitaire
  Myadestes myadestinus (Stejneger, 1887) -- valid -- Kamao, Large Kauai Thrush
  Myadestes obscurus (Gmelin, 1789) -- valid -- 'Oma'o, Omao
  Myadestes occidentalis Stejneger, 1882 -- valid -- Clarín jilguero, Brown-backed Solitaire
  Myadestes palmeri (Rothschild, 1893) -- valid -- Puaiohi, Small Kauai Thrush
  Myadestes ralloides (Orbigny, 1840) -- valid -- Andean Solitaire
  Myadestes townsendi (Audubon, 1838) -- valid -- Clarín norteño, Townsend's Solitaire, solitaire de Townsend
  Myadestes unicolor P. L. Sclater, 1857 -- valid -- Clarín unicolor, Slate-colored Solitaire
  Myadestes woahensis (A. Bloxam, 1899) -- invalid -- Amaui
  Mycerobas Cabanis, 1847 -- valid
  Mycerobas affinis (Blyth, 1855) -- valid -- Collared Grosbeak
  Mycerobas carnipes (Hodgson, 1836) -- valid -- White-winged Grosbeak
  Mycerobas icterioides (Vigors, 1830) -- valid -- Black-and-yellow Grosbeak
  Mycerobas melanozanthos (Hodgson, 1836) -- valid -- Spot-winged Grosbeak
  Mycteria Linnaeus, 1758 -- valid -- Wood Storks
  Mycteria americana Linnaeus, 1758 -- valid -- Wood Stork, Cigüeña americana, Tantale d'Amérique
  Mycteria cinerea (Raffles, 1822) -- valid -- Milky Stork
  Mycteria ibis (Linnaeus, 1766) -- valid -- Yellow-billed Stork
  Mycteria leucocephala (Pennant, 1769) -- valid -- Painted Stork
  Myiagra Vigors & Horsfield, 1827 -- valid -- Broadbills, Flycatchers
  Myiagra albiventris (Peale, 1848) -- valid -- Samoan Flycatcher
  Myiagra alecto (Temminck, 1827) -- valid -- Shining Flycatcher
  Myiagra atra A. B. Meyer, 1874 -- valid -- Biak Black Flycatcher
  Myiagra azureocapilla E. L. Layard, 1875 -- valid -- Azure-crested Flycatcher
  Myiagra caledonica Bonaparte, 1857 -- valid -- Melanesian Flycatcher
  Myiagra cervinicauda Tristram, 1879 -- valid -- Makira Flycatcher
  Myiagra cyanoleuca (Vieillot, 1818) -- valid -- Satin Flycatcher
  Myiagra erythrops Hartlaub & Finsch, 1868 -- valid -- Palau Broadbill, Palau Flycatcher
  Myiagra ferrocyanea E. P. Ramsay, 1879 -- valid -- Steel-blue Flycatcher
  Myiagra freycineti Oustalet, 1881 -- valid -- Guam Broadbill, Guam Flycatcher
  Myiagra galeata G. R. Gray, 1861 -- valid -- Moluccan Flycatcher
  Myiagra hebetior (Hartert, 1924) -- valid -- Velvet Flycatcher
  Myiagra inquieta (Latham, 1802) -- valid -- Restless Flycatcher
  Myiagra oceanica Pucheran, 1853 -- valid -- Truk Broadbill, Oceanic Flycatcher
  Myiagra pluto Finsch, 1876 -- valid -- Pohnpei Flycatcher, Pohnpei Broadbill
  Myiagra rubecula (Latham, 1802) -- valid -- Leaden Flycatcher
  Myiagra ruficollis (Vieillot, 1818) -- valid -- Broad-billed Flycatcher
  Myiagra vanikorensis (Quoy & Gaimard, 1830) -- valid -- Vanikoro Flycatcher
  Myiarchus Cabanis, 1844 -- valid -- Crested Flycatchers
  Myiarchus antillarum (H. Bryant, 1866) -- valid -- Puerto Rican Flycatcher
  Myiarchus apicalis P. L. Sclater & Salvin, 1881 -- valid -- Apical Flycatcher
  Myiarchus barbirostris (Swainson, 1827) -- valid -- Sad Flycatcher
  Myiarchus cephalotes Taczanowski, 1880 -- valid -- Pale-edged Flycatcher
  Myiarchus cinerascens (Lawrence, 1851) -- valid -- Papamoscas cenizo, Ash-throated Flycatcher, tyran à gorge cendrée
  Myiarchus crinitus (Linnaeus, 1758) -- valid -- Papamoscas viajero, Great Crested Flycatcher, tyran huppé
  Myiarchus ferox (Gmelin, 1789) -- valid -- Short-crested Flycatcher
  Myiarchus magnirostris (Gould, 1839) -- valid -- Galapagos Flycatcher
  Myiarchus nugator Riley, 1904 -- valid -- Grenada Flycatcher
  Myiarchus nuttingi Ridgway, 1882 -- valid -- Nutting's Flycatcher, Papamoscas de Nutting
  Myiarchus oberi Lawrence, 1877 -- valid -- Lesser Antillean Flycatcher
  Myiarchus panamensis Lawrence, 1860 -- valid -- Panama Flycatcher, Panamanian Flycatcher
  Myiarchus phaeocephalus P. L. Sclater, 1860 -- valid -- Sooty-crowned Flycatcher
  Myiarchus sagrae (Gundlach, 1852) -- valid -- La Sagra's Flycatcher
  Myiarchus semirufus P. L. Sclater & Salvin, 1878 -- valid -- Rufous Flycatcher
  Myiarchus stolidus (Gosse, 1847) -- valid -- Stolid Flycatcher
  Myiarchus swainsoni Cabanis & Heine, 1859 -- valid -- Swainson's Flycatcher
  Myiarchus tuberculifer (Orbigny & Lafresnaye, 1837) -- valid -- Dusky-capped Flycatcher, Papamoscas triste
  Myiarchus tyrannulus (Statius Muller, 1776) -- valid -- Brown-crested Flycatcher, Papamoscas tirano
  Myiarchus validus Cabanis, 1847 -- valid -- Rufous-tailed Flycatcher
  Myiarchus venezuelensis Lawrence, 1865 -- valid -- Venezuelan Flycatcher
  Myiarchus yucatanensis Lawrence, 1871 -- valid -- Yucatan Flycatcher, Papamoscas yucateco
  Myiobius Darwin, 1839 -- valid
  Myiobius atricaudus Lawrence, 1863 -- valid -- Black-tailed Flycatcher, Black-tailed Myiobius
  Myiobius barbatus (Gmelin, 1789) -- valid -- Whiskered Myiobius
  Myiobius erythrurus Cabanis, 1847 -- invalid
  Myiobius villosus P. L. Sclater, 1860 -- valid -- Tawny-breasted Flycatcher, Tawny-breasted Myiobius
  Myioborus S. F. Baird, 1865 -- valid -- Painted Redstarts
  Myioborus albifacies Phelps & Phelps Jr, 1946 -- valid -- White-faced Whitestart
  Myioborus albifrons (P. L. Sclater & Salvin, 1871) -- valid -- White-fronted Whitestart
  Myioborus brunniceps (d'Orbigny & Lafresnaye, 1837) -- valid -- Brown-capped Whitestart
  Myioborus cardonai J. T. Zimmer & Phelps, 1945 -- valid -- Guaiquinima Whitestart
  Myioborus castaneocapillus (Cabanis, 1849) -- invalid -- Tepui Whitestart
  Myioborus flavivertex (Salvin, 1887) -- valid -- Yellow-crowned Whitestart
  Myioborus melanocephalus (Tschudi, 1844) -- valid -- Spectacled Whitestart
  Myioborus miniatus (Swainson, 1827) -- valid -- Slate-throated Redstart, Chipe de montaña, Paruline ardoisée, Slate-throated Whitestart
  Myioborus ornatus (Boissonneau, 1840) -- valid -- Golden-fronted Whitestart
  Myioborus pariae Phelps & Phelps Jr, 1949 -- valid -- Paria Whitestart
  Myioborus pictus (Swainson, 1829) -- valid -- Painted Redstart, Chipe ala blanca, Painted Whitestart, Paruline à ailes blanches
  Myioborus torquatus (S. F. Baird, 1865) -- valid -- Collared Redstart, Collared Whitestart, Paruline ceinturée
  Myiodynastes Bonaparte, 1857 -- valid -- Sulphur-bellied Flycatchers
  Myiodynastes bairdii (Gambel, 1847) -- valid -- Baird's Flycatcher
  Myiodynastes chrysocephalus (Tschudi, 1844) -- valid -- Golden-crowned Flycatcher
  Myiodynastes hemichrysus (Cabanis, 1861) -- valid -- Golden-bellied Flycatcher
  Myiodynastes luteiventris P. L. Sclater, 1859 -- valid -- Sulphur-bellied Flycatcher, Papamoscas atigrado
  Myiodynastes maculatus (Statius Muller, 1776) -- valid -- Streaked Flycatcher, Papamoscas rayado
  Myiopagis Salvin & Godman, 1888 -- valid
  Myiopagis caniceps (Swainson, 1835) -- valid -- Gray Elaenia, Grey Elaenia
  Myiopagis cotta (Gosse, 1849) -- valid -- Jamaican Elaenia
  Myiopagis flavivertex (P. L. Sclater, 1887) -- valid -- Yellow-crowned Elaenia
  Myiopagis gaimardii (Orbigny, 1840) -- valid -- Forest Elaenia
  Myiopagis subplacens (P. L. Sclater, 1862) -- valid -- Pacific Elaenia
  Myiopagis viridicata (Vieillot, 1817) -- valid -- Greenish Elaenia, Elenia verdosa
  Myioparus Roberts, 1922 -- valid
  Myioparus griseigularis (Jackson, 1906) -- valid -- Grey-throated Tit-Flycatcher
  Myioparus plumbeus (Hartlaub, 1858) -- valid -- Grey Tit-Flycatcher
  Myiophobus Reichenbach, 1850 -- valid
  Myiophobus cryptoxanthus (P. L. Sclater, 1861) -- valid -- Olive-chested Flycatcher
  Myiophobus fasciatus (Statius Muller, 1776) -- valid -- Bran-colored Flycatcher
  Myiophobus flavicans (P. L. Sclater, 1861) -- valid -- Flavescent Flycatcher
  Myiophobus inornatus Carriker, 1932 -- valid -- Unadorned Flycatcher
  Myiophobus lintoni Meyer de Schauensee, 1951 -- valid -- Orange-banded Flycatcher
  Myiophobus ochraceiventris (Cabanis, 1873) -- valid -- Ochraceous-breasted Flycatcher
  Myiophobus phoenicomitra (Taczanowski & Berlepsch, 1885) -- valid -- Orange-crested Flycatcher
  Myiophobus pulcher (P. L. Sclater, 1861) -- valid -- Handsome Flycatcher
  Myiophobus roraimae (Salvin & Godman, 1883) -- valid -- Roraiman Flycatcher
  Myiophonus Temminck, 1822 -- invalid
  Myiophonus blighi (Holdsworth, 1872) -- invalid
  Myiophonus caeruleus (Scopoli, 1786) -- invalid
  Myiophonus glaucinus (Temminck, 1823) -- invalid
  Myiophonus horsfieldii Vigors, 1831 -- invalid
  Myiophonus insularis Gould, 1863 -- invalid
  Myiophonus melanurus (Salvadori, 1879) -- invalid
  Myiophonus robinsoni Ogilvie-Grant, 1905 -- invalid
  Myiopsitta Bonaparte, 1854 -- valid -- Monk Parakeets
  Myiopsitta monachus (Boddaert, 1783) -- valid -- Monk Parakeet, Perriche veuve, Cotorra argentina, caturrita
  Myiornis W. Bertoni, 1901 -- valid
  Myiornis albiventris (Berlepsch & Stolzmann, 1894) -- valid -- White-bellied Pygmy Tyrant
  Myiornis atricapillus (Lawrence, 1875) -- valid -- Black-capped Pygmy-Tyrant, Black-capped Pygmy Tyrant
  Myiornis auricularis (Vieillot, 1818) -- valid -- Eared Pygmy Tyrant
  Myiornis ecaudatus (Orbigny & Lafresnaye, 1837) -- valid -- Short-tailed Pygmy Tyrant
  Myiotheretes Reichenbach, 1850 -- valid
  Myiotheretes fumigatus (Boissonneau, 1840) -- valid -- Smoky Bush Tyrant
  Myiotheretes fuscorufus (P. L. Sclater & Salvin, 1876) -- valid -- Rufous-bellied Bush Tyrant
  Myiotheretes pernix (Bangs, 1899) -- valid -- Santa Marta Bush Tyrant
  Myiotheretes striaticollis (P. L. Sclater, 1853) -- valid -- Streak-throated Bush Tyrant
  Myiotriccus Ridgway, 1905 -- valid
  Myiotriccus ornatus (Lafresnaye, 1853) -- valid -- Ornate Flycatcher
  Myiozetetes P. L. Sclater, 1859 -- valid
  Myiozetetes cayanensis (Linnaeus, 1766) -- valid -- Rusty-margined Flycatcher
  Myiozetetes granadensis Lawrence, 1862 -- valid -- Gray-capped Flycatcher, Grey-capped Flycatcher
  Myiozetetes luteiventris (P. L. Sclater, 1858) -- valid -- Dusky-chested Flycatcher
  Myiozetetes similis (Spix, 1825) -- valid -- Social Flycatcher, Luis gregario
  Myornis Chapman, 1915 -- valid
  Myornis senilis (Lafresnaye, 1840) -- valid -- Ash-colored Tapaculo
  Myrmeciza G. R. Gray, 1841 -- valid
  Myrmeciza atrothorax (Boddaert, 1783) -- valid -- Black-throated Antbird
  Myrmeciza berlepschi (Hartert, 1898) -- valid -- Stub-tailed Antbird
  Myrmeciza disjuncta Friedmann, 1945 -- valid -- Yapacana Antbird
  Myrmeciza exsul P. L. Sclater, 1859 -- valid -- Chestnut-backed Antbird
  Myrmeciza ferruginea (Statius Muller, 1776) -- valid -- Ferruginous-backed Antbird
  Myrmeciza fortis (P. L. Sclater & Salvin, 1868) -- valid -- Sooty Antbird
  Myrmeciza goeldii (E. Snethlage, 1908) -- valid -- Goeldi's Antbird
  Myrmeciza griseiceps (Chapman, 1923) -- valid -- Grey-headed Antbird
  Myrmeciza hemimelaena P. L. Sclater, 1857 -- valid -- Southern Chestnut-tailed Antbird
  Myrmeciza hyperythra (P. L. Sclater, 1855) -- valid -- Plumbeous Antbird
  Myrmeciza immaculata (Lafresnaye, 1845) -- valid -- Immaculate Antbird
  Myrmeciza laemosticta Salvin, 1865 -- valid -- Dull-mantled Antbird
  Myrmeciza longipes (Swainson, 1825) -- valid -- White-bellied Antbird
  Myrmeciza loricata (Lichtenstein, 1823) -- valid -- White-bibbed Antbird
  Myrmeciza melanoceps (Spix, 1825) -- valid -- White-shouldered Antbird
  Myrmeciza nigricauda Salvin & Godman, 1892 -- valid -- Esmeraldas Antbird
  Myrmeciza pelzelni P. L. Sclater, 1890 -- valid -- Grey-bellied Antbird
  Myrmeciza ruficauda (Wied-Neuwied, 1831) -- valid -- Scalloped Antbird
  Myrmeciza squamosa Pelzeln, 1868 -- valid -- Squamate Antbird
  Myrmecocichla Cabanis, 1850 -- valid
  Myrmecocichla aethiops Cabanis, 1850 -- valid -- Anteater Chat
  Myrmecocichla albifrons (Rüppell, 1837) -- invalid -- White-fronted Black Chat
  Myrmecocichla arnotti (Tristram, 1869) -- invalid -- Arnot's Chat
  Myrmecocichla formicivora (Vieillot, 1818) -- invalid
  Myrmecocichla melaena (Rüppell, 1837) -- valid -- Rüppell's Black Chat
  Myrmecocichla nigra (Vieillot, 1818) -- valid -- Sooty Chat
  Myrmecocichla tholloni (Oustalet, 1886) -- valid -- Congo Moor Chat
  Myrmia Mulsant, 1876 -- valid
  Myrmia micrura (Gould, 1854) -- valid -- Short-tailed Woodstar
  Myrmoborus Cabanis & Heine, 1859 -- valid
  Myrmoborus leucophrys (Tschudi, 1844) -- valid -- White-browed Antbird
  Myrmoborus lugubris (Cabanis, 1847) -- valid -- Ash-breasted Antbird
  Myrmoborus melanurus (P. L. Sclater & Salvin, 1866) -- valid -- Black-tailed Antbird
  Myrmoborus myotherinus (Spix, 1825) -- valid -- Black-faced Antbird
  Myrmochanes Allen, 1889 -- valid
  Myrmochanes hemileucus (P. L. Sclater & Salvin, 1866) -- valid -- Black-and-white Antbird
  Myrmorchilus Ridgway, 1909 -- valid
  Myrmorchilus strigilatus (Wied-Neuwied, 1831) -- valid -- Stripe-backed Antbird
  Myrmornis Hermann, 1783 -- valid
  Myrmornis torquata (Boddaert, 1783) -- valid -- Wing-banded Antbird
  Myrmothera Vieillot, 1816 -- valid
  Myrmothera campanisona (Hermann, 1783) -- valid -- Thrush-like Antpitta
  Myrmothera simplex (Salvin & Godman, 1884) -- valid -- Tepui Antpitta
  Myrmotherula P. L. Sclater, 1858 -- valid
  Myrmotherula ambigua Zimmer, 1932 -- valid -- Yellow-throated Antwren
  Myrmotherula assimilis Pelzeln, 1868 -- valid -- Leaden Antwren
  Myrmotherula axillaris (Vieillot, 1817) -- valid -- White-flanked Antwren
  Myrmotherula behni Berlepsch & Leverkuhn, 1890 -- valid -- Plain-winged Antwren
  Myrmotherula brachyura (Hermann, 1783) -- valid -- Pygmy Antwren
  Myrmotherula cherriei Berlepsch & Hartert, 1902 -- valid -- Cherrie's Antwren
  Myrmotherula erythrura P. L. Sclater, 1890 -- invalid -- Rufous-tailed Antwren
  Myrmotherula fluminensis Gonzaga, 1988 -- valid -- Rio de Janeiro Antwren
  Myrmotherula fulviventris (Lawrence, 1862) -- invalid -- Checker-throated Antwren
  Myrmotherula grisea Carriker, 1935 -- valid -- Yungas Antwren
  Myrmotherula gularis (Spix, 1825) -- invalid -- Star-throated Antwren
  Myrmotherula guttata (Vieillot, 1824) -- invalid -- Rufous-bellied Antwren
  Myrmotherula gutturalis P. L. Sclater & Salvin, 1881 -- invalid -- Brown-bellied Antwren
  Myrmotherula haematonota (P. L. Sclater, 1857) -- invalid -- Stipple-throated Antwren
  Myrmotherula hauxwelli (P. L. Sclater, 1857) -- invalid -- Plain-throated Antwren
  Myrmotherula iheringi E. Snethlage, 1914 -- valid -- Ihering's Antwren
  Myrmotherula klagesi Todd, 1927 -- valid -- Klages's Antwren
  Myrmotherula leucophthalma (Pelzeln, 1868) -- invalid -- White-eyed Antwren
  Myrmotherula longicauda Berlepsch & Stolzmann, 1894 -- valid -- Stripe-chested Antwren
  Myrmotherula longipennis Pelzeln, 1868 -- valid -- Long-winged Antwren
  Myrmotherula menetriesii (Orbigny, 1837) -- valid -- Grey Antwren
  Myrmotherula minor Salvadori, 1864 -- valid -- Salvadori's Antwren
  Myrmotherula obscura Zimmer, 1932 -- invalid
  Myrmotherula ornata (P. L. Sclater, 1853) -- invalid -- Ornate Antwren
  Myrmotherula schisticolor (Lawrence, 1865) -- valid -- Hormiguero apizarrado, Slaty Antwren
  Myrmotherula sclateri E. Snethlage, 1912 -- valid -- Sclater's Antwren
  Myrmotherula spodionota P. L. Sclater & Salvin, 1880 -- invalid -- Foothill Antwren
  Myrmotherula sunensis Chapman, 1925 -- valid -- Rio Suno Antwren
  Myrmotherula surinamensis (Gmelin, 1788) -- valid -- Guianan Streaked Antwren
  Myrmotherula unicolor (Ménétriés, 1835) -- valid -- Unicolored Antwren
  Myrmotherula urosticta (P. L. Sclater, 1857) -- valid -- Band-tailed Antwren
  Myrtis Reichenbach, 1854 -- valid
  Myrtis fanny (R. Lesson, 1838) -- valid -- Purple-collared Woodstar
  Mystacornis Sharpe, 1870 -- valid
  Mystacornis crossleyi (A. Grandidier, 1870) -- valid -- Crossley's Babbler
  Myza A. B. Meyer & Wiglesworth, 1895 -- valid
  Myza celebensis (A. B. Meyer & Wiglesworth, 1894) -- valid -- Lesser Streaked Honeyeater, Dark-eared Myza, Dark-eared Honeyeater, Méliphage des Célèbes, Mielero chico de Célebes
  Myza sarasinorum A. B. Meyer & Wiglesworth, 1895 -- valid -- White-eared Myza, Greater Streaked Honeyeater, Méliphage à points, Mielero grande de Célebes
  Myzomela Vigors & Horsfield, 1827 -- valid -- Cardinal Honeyeaters
  Myzomela adolphinae Salvadori, 1876 -- valid -- Midget Myzomela, Mountain Myzomela, Myzomèle montagnard, Mielero de Adolfina, Elfin Myzomela
  Myzomela albigula E. Hartert, 1898 -- valid -- White-chinned Myzomela, Myzomèle à menton blanc, Mielero barbiblanco
  Myzomela blasii (Salvadori, 1882) -- valid -- Drab Myzomela, Myzomèle sobre, Mielero apagado, Seram Myzomela
  Myzomela boiei (S. Müller, 1843) -- valid -- Banda Myzomela, Wallacean Myzomela, Myzomèle de Banda, Mielero de las Banda
  Myzomela caledonica W. A. Forbes, 1879 -- valid -- New Caledonian Myzomela, Myzomèle calédonien, Mielero de Nueva Caledonia
  Myzomela cardinalis (J. F. Gmelin, 1788) -- valid -- Cardinal Honeyeater, Cardinal Myzomela, Myzomèle cardinal, Mielero cardenal
  Myzomela chermesina G. R. Gray, 1846 -- valid -- Rotuma Myzomela, Myzomèle de Rotuma, Mielero de Rotuma
  Myzomela chloroptera Walden, 1872 -- valid -- Sulawesi Myzomela, Myzomèle des Célèbes, Mielero rojo de Célebes
  Myzomela cruentata A. B. Meyer, 1874 -- valid -- Red Myzomela, Myzomèle vermillon, Mielero rojo
  Myzomela dammermani Siebers, 1928 -- valid -- Sumba Myzomela, Myzomèle de Sumba, Mielero de Sumba
  Myzomela eichhorni Rothschild & E. Hartert, 1901 -- valid -- Crimson-rumped Myzomela, Myzomèle à ventre jaune, Mielero de Eichhorn, Yellow-vented Myzomela
  Myzomela eques (R. Lesson & Garnot, 1827) -- valid -- Ruby-throated Myzomela, Myzomèle à menton rouge, Mielero barbirrojo
  Myzomela erythrocephala Gould, 1840 -- valid -- Red-headed Myzomela, Myzomèle à tête rouge, Mielero cabecirrojo
  Myzomela erythromelas Salvadori, 1881 -- valid -- Splendid Myzomela, Black-bellied Myzomela, Myzomèle à ventre noir, Mielero ventrinegro
  Myzomela jugularis Peale, 1849 -- valid -- Sulphur-breasted Myzomela, Orange-breasted Myzomela, Myzomèle des Fidji, Mielero pechinaranja
  Myzomela kuehni Rothschild, 1903 -- valid -- Crimson-hooded Myzomela, Wetar Myzomela, Myzomèle de Wetar, Mielero de la Wetar
  Myzomela lafargei Pucheran, 1853 -- valid -- Red-capped Myzomela, Scarlet-naped Myzomela, Myzomèle à nuque rouge, Mielero nuquirrojo
  Myzomela malaitae Mayr, 1931 -- valid -- Red-vested Myzomela, Myzomèle de Malaita, Mielero de Malaita, Red-bellied Myzomela, Malaita Myzomela
  Myzomela melanocephala (E. P. Ramsay, 1879) -- valid -- Black-headed Myzomela, Myzomèle à tête noire, Mielero cabecinegro
  Myzomela nigrita G. R. Gray, 1858 -- valid -- Black Myzomela, Papuan Black Myzomela, Myzomèle noir, Mielero negro
  Myzomela obscura Gould, 1843 -- valid -- Dusky Myzomela, Myzomèle ombré, Mielero sombrío
  Myzomela pammelaena P. L. Sclater, 1877 -- valid -- Ebony Myzomela, Bismarck Black Myzomela, Myzomèle ébène, Mielero de ébano
  Myzomela pulchella Salvadori, 1891 -- valid -- Crimson-fronted Myzomela, New Ireland Myzomela, Myzomèle de Nouvelle-Irlande, Mielero de Nueva Irlanda
  Myzomela rosenbergii Schlegel, 1871 -- valid -- Red-collared Myzomela, Myzomèle de Rosenberg, Mielero de Rosenberg
  Myzomela rubratra (R. Lesson, 1827) -- valid -- Micronesian Myzomela, Myzomèle de Micronésie, Mielero de Micronesia
  Myzomela sanguinolenta (Latham, 1801) -- valid -- Scarlet Myzomela, Myzomèle écarlate, Mielero escarlata
  Myzomela sclateri W. A. Forbes, 1879 -- valid -- Scarlet-bibbed Myzomela, Sclater's Myzomela, Myzomèle de Sclater, Mielero de Sclater
  Myzomela tristrami E. P. Ramsay, 1881 -- valid -- Sooty Myzomela, Myzomèle de Tristram, Mielero de Tristram
  Myzomela vulnerata (S. Müller, 1843) -- valid -- Black-breasted Myzomela, Red-rumped Myzomela, Myzomèle de Timor, Mielero culirrojo
  Myzomela wakoloensis H. O. Forbes, 1883 -- valid -- Wakolo Myzomela, Myzomèle de Forbes, Mielero del Wakolo
  Myzornis Blyth, 1843 -- valid
  Myzornis pyrrhoura Blyth, 1843 -- valid -- Fire-tailed Myzornis
  Namibornis Bradfield, 1935 -- valid
  Namibornis herero (Meyer de Schauensee, 1931) -- valid -- Herero Chat
  Nandayus Bonaparte, 1854 -- invalid
  Nandayus nenday (Vieillot, 1823) -- invalid -- Nanday Parakeet
  Nannopsittaca Ridgway, 1912 -- valid
  Nannopsittaca dachilleae O'Neill, Munn & Franke, 1991 -- valid -- Manu Parrotlet, Amazonian Parrotlet, Toui de D'Achille, Cotorrita amazónica, periquito-da-amazônia
  Nannopsittaca panychlora (Salvin & Godman, 1883) -- valid -- Tepui Parrotlet, Toui des tépuis, Cotorrita de tepuy, periquito-dos-tepuis
  Napothera G. R. Gray, 1842 -- valid
  Napothera atrigularis (Bonaparte, 1850) -- valid -- Black-throated Wren-Babbler
  Napothera brevicaudata (Blyth, 1855) -- valid -- Streaked Wren-Babbler
  Napothera crassa (Sharpe, 1888) -- valid -- Mountain Wren-Babbler
  Napothera crispifrons (Blyth, 1855) -- valid -- Limestone Wren-Babbler
  Napothera epilepidota (Temminck, 1828) -- valid -- Eyebrowed Wren-Babbler
  Napothera macrodactyla (Strickland, 1844) -- valid -- Large Wren-Babbler
  Napothera marmorata (R. G. W. Ramsay, 1880) -- valid -- Marbled Wren-Babbler
  Napothera rabori Rand, 1960 -- invalid -- Rabor's Wren-Babbler
  Napothera rufipectus (Salvadori, 1879) -- valid -- Rusty-breasted Wren-Babbler
  Nasica Lesson, 1830 -- valid
  Nasica longirostris (Vieillot, 1818) -- valid -- Long-billed Woodcreeper
  Neafrapus Mathews, 1918 -- valid
  Neafrapus boehmi (Schalow, 1882) -- valid -- Böhm's Spinetail
  Neafrapus cassini (P. L. Sclater, 1863) -- valid -- Cassin's Spinetail
  Necropsar Slater, 1879 -- valid
  Necropsar rodericanus Slater, 1879 -- valid -- Rodrigues Starling
  Necrosyrtes Gloger, 1841 -- valid
  Necrosyrtes monachus (Temminck, 1823) -- valid -- Hooded Vulture
  Nectarinia Illiger, 1811 -- valid
  Nectarinia adelberti (Gervais, 1834) -- invalid
  Nectarinia afra (Linnaeus, 1766) -- invalid
  Nectarinia alinae (Jackson, 1904) -- invalid
  Nectarinia amethystina (Shaw, 1812) -- invalid
  Nectarinia asiatica (Latham, 1790) -- invalid
  Nectarinia aspasia (Lesson & Garnot, 1828) -- invalid
  Nectarinia balfouri (P. L. Sclater & Hartlaub, 1881) -- invalid
  Nectarinia bannermani (Grant & Mackworth-Praed, 1943) -- invalid -- Bannerman's Sunbird
  Nectarinia batesi (Ogilvie-Grant, 1908) -- invalid -- Bates's Sunbird
  Nectarinia bifasciata (Shaw, 1812) -- invalid
  Nectarinia bocagii Shelley, 1879 -- valid -- Bocage's Sunbird
  Nectarinia bouvieri (Shelley, 1877) -- invalid
  Nectarinia buettikoferi (Hartert, 1896) -- invalid
  Nectarinia calcostetha Jardine, 1843 -- invalid
  Nectarinia chalybea (Linnaeus, 1766) -- invalid
  Nectarinia chloropygia Jardine, 1842 -- invalid
  Nectarinia coccinigastra (Latham, 1802) -- invalid
  Nectarinia comorensis (W. Peters, 1864) -- invalid
  Nectarinia congensis Oort, 1910 -- invalid
  Nectarinia coquerellii Hartlaub, 1860 -- invalid
  Nectarinia cuprea (Shaw, 1812) -- invalid
  Nectarinia cyanolaema Jardine & Fraser, 1852 -- invalid
  Nectarinia dussumieri Hartlaub, 1861 -- invalid
  Nectarinia erythrocerca Hartlaub, 1857 -- invalid
  Nectarinia famosa (Linnaeus, 1766) -- valid -- Malachite Sunbird
  Nectarinia fuliginosa (Shaw, 1812) -- invalid
  Nectarinia fusca (Vieillot, 1819) -- invalid
  Nectarinia habessinica Hemprich & Ehrenberg, 1828 -- invalid
  Nectarinia hartlaubii Hartlaub, 1857 -- invalid
  Nectarinia humbloti (Milne-Edwards & Oustalet, 1885) -- invalid
  Nectarinia hunteri (Shelley, 1889) -- invalid
  Nectarinia johannae (J. Verreaux & E. Verreaux, 1851) -- invalid
  Nectarinia johnstoni Shelley, 1885 -- valid -- Scarlet-tufted Sunbird
  Nectarinia jugularis (Linnaeus, 1766) -- invalid
  Nectarinia kilimensis Shelley, 1885 -- valid -- Bronzy Sunbird
  Nectarinia lotenia (Linnaeus, 1766) -- invalid
  Nectarinia loveridgei (Hartert, 1922) -- invalid
  Nectarinia ludovicensis Bocage, 1868 -- invalid
  Nectarinia manoensis (Reichenow, 1907) -- invalid
  Nectarinia mariquensis (A. Smith, 1836) -- invalid
  Nectarinia mediocris (Shelley, 1885) -- invalid
  Nectarinia minima (Sykes, 1832) -- invalid
  Nectarinia minulla (Reichenow, 1899) -- invalid
  Nectarinia moreaui (W. L. Sclater, 1933) -- invalid
  Nectarinia nectarinioides (Richmond, 1897) -- invalid
  Nectarinia neergaardi (Grant, 1908) -- invalid
  Nectarinia newtonii (Bocage, 1887) -- invalid
  Nectarinia notata (Statius Muller, 1776) -- invalid
  Nectarinia olivacea (A. Smith, 1840) -- invalid
  Nectarinia oritis (Reichenow, 1892) -- invalid
  Nectarinia osea (Bonaparte, 1856) -- invalid
  Nectarinia oustaleti Bocage, 1878 -- invalid
  Nectarinia pembae (Reichenow, 1905) -- invalid
  Nectarinia preussi (Reichenow, 1892) -- invalid
  Nectarinia prigoginei (Macdonald, 1958) -- invalid -- Marungu sunbird
  Nectarinia pulchella (Linnaeus, 1766) -- invalid
  Nectarinia purpureiventris (Reichenow, 1893) -- valid -- Purple-breasted Sunbird
  Nectarinia regia (Reichenow, 1893) -- invalid
  Nectarinia reichenbachii Hartlaub, 1857 -- invalid
  Nectarinia reichenowi (Fischer, 1884) -- invalid
  Nectarinia rockefelleri (Chapin, 1932) -- invalid
  Nectarinia rubescens (Vieillot, 1819) -- invalid
  Nectarinia rufipennis Jensen, 1983 -- invalid
  Nectarinia seimundi (Ogilvie-Grant, 1908) -- invalid
  Nectarinia senegalensis (Linnaeus, 1766) -- invalid
  Nectarinia shelleyi (Alexander, 1899) -- invalid
  Nectarinia solaris Temminck, 1825 -- invalid
  Nectarinia sovimanga (Gmelin, 1788) -- invalid
  Nectarinia sperata (Linnaeus, 1766) -- invalid
  Nectarinia stuhlmanni (Reichenow, 1893) -- invalid
  Nectarinia superba (Shaw, 1812) -- invalid
  Nectarinia tacazze (Stanley, 1814) -- valid -- Tacazze Sunbird
  Nectarinia talatala (A. Smith, 1836) -- invalid
  Nectarinia thomensis Bocage, 1889 -- invalid
  Nectarinia ursulae (Alexander, 1903) -- invalid
  Nectarinia venusta (Shaw, 1799) -- invalid
  Nectarinia veroxii (A. Smith, 1831) -- invalid
  Nectarinia verticalis (Latham, 1790) -- invalid
  Nectarinia violacea (Linnaeus, 1766) -- invalid
  Nectarinia zeylonica (Linnaeus, 1766) -- invalid
  Nectariniidae Vigors, 1825 -- valid
  Nemosia Vieillot, 1816 -- valid
  Nemosia pileata (Boddaert, 1783) -- valid -- Hooded Tanager, Tangara coiffe-noire, Tangara encapuchada, saíra-de-chapéu-preto
  Nemosia rourei Cabanis, 1870 -- valid -- Cherry-throated Tanager, Tangara rougegorge, Tangara golirroja, saíra-apunhalada
  Neochelidon P. L. Sclater, 1862 -- valid
  Neochelidon tibialis (Cassin, 1853) -- valid -- White-thighed Swallow
  Neochen Oberholser, 1918 -- valid
  Neochen jubata (Spix, 1825) -- valid -- Orinoco Goose, Ouette de l'Orénoque, Ganso del Orinoco, pato-corredor
  Neochmia G. R. Gray, 1849 -- valid
  Neochmia modesta (Gould, 1837) -- valid -- Plum-headed Finch
  Neochmia phaeton (Hombron & Jacquinot, 1841) -- valid -- Crimson Finch
  Neochmia ruficauda (Gould, 1837) -- valid -- Star Finch
  Neochmia temporalis (Latham, 1802) -- valid -- Red-browed Finch
  Neocichla Sharpe, 1876 -- valid
  Neocichla gutturalis (Bocage, 1871) -- valid -- Babbling Starling
  Neocossyphus Fischer & Reichenow, 1884 -- valid
  Neocossyphus finschii (Sharpe, 1870) -- invalid
  Neocossyphus fraseri (Strickland, 1844) -- invalid
  Neocossyphus poensis (Strickland, 1844) -- valid -- White-tailed Rufous Thrush
  Neocossyphus rufus (Fischer & Reichenow, 1884) -- valid -- Red-tailed Rufous Thrush
  Neocrex P. L. Sclater & Salvin, 1869 -- valid -- Paint-billed Crakes
  Neocrex colombianus Bangs, 1898 -- invalid
  Neocrex erythrops (P. L. Sclater, 1867) -- valid -- Paint-billed Crake
  Neoctantes P. L. Sclater, 1869 -- valid
  Neoctantes niger (Pelzeln, 1859) -- valid -- Black Bushbird
  Neodrepanis Sharpe, 1875 -- valid
  Neodrepanis coruscans Sharpe, 1875 -- valid -- Common Sunbird-Asity
  Neodrepanis hypoxanthus Salomonsen, 1933 -- invalid
  Neohierax Swann, 1922 -- invalid
  Neohierax insignis (Walden, 1872) -- invalid
  Neolalage Mathews, 1928 -- valid
  Neolalage banksiana (G. R. Gray, 1870) -- valid -- Buff-bellied Monarch
  Neolestes Cabanis, 1875 -- valid
  Neolestes torquatus Cabanis, 1875 -- valid -- Black-collared Bulbul
  Neomixis Sharpe, 1881 -- valid
  Neomixis flavoviridis Hartert, 1924 -- invalid
  Neomixis striatigula Sharpe, 1881 -- valid -- Stripe-throated Jery
  Neomixis tenella (Hartlaub, 1866) -- valid -- Common Jery
  Neomixis viridis (Sharpe, 1883) -- valid -- Green Jery
  Neomorphidae -- invalid
  Neomorphus Gloger, 1827 -- valid
  Neomorphus geoffroyi (Temminck, 1820) -- valid -- Rufous-vented Ground Cuckoo, Rufous-vented Ground-Cuckoo
  Neomorphus pucheranii (Deville, 1851) -- valid -- Red-billed Ground Cuckoo
  Neomorphus radiolosus P. L. Sclater & Salvin, 1878 -- valid -- Banded Ground Cuckoo
  Neomorphus rufipennis (G. R. Gray, 1849) -- valid -- Rufous-winged Ground Cuckoo
  Neomorphus squamiger Todd, 1925 -- valid
  Neopelma P. L. Sclater, 1861 -- valid
  Neopelma aurifrons (Wied-Neuwied, 1831) -- valid -- Wied's Neopelma
  Neopelma chrysocephalum (Pelzeln, 1868) -- valid -- Saffron-crested Neopelma
  Neopelma chrysolophum Pinto, 1944 -- valid -- Serra do Mar Neopelma
  Neopelma pallescens (Lafresnaye, 1853) -- valid -- Pale-bellied Neopelma
  Neopelma sulphureiventer (Hellmayr, 1903) -- valid -- Sulphur-bellied Neopelma
  Neophema Salvadori, 1891 -- valid
  Neophema chrysogaster (Latham, 1790) -- valid -- Orange-bellied Parrot, Orange-bellied Parakeet, Perruche à ventre orange, Periquito ventrinaranja, periquito-de-barriga-laranja
  Neophema chrysostoma (Kuhl, 1820) -- valid -- Blue-winged Parrot, Perruche à bouche d'or, Periquito crisóstomo, periquito-de-asa-azul
  Neophema elegans (Gould, 1837) -- valid -- Elegant Parrot, Perruche élégante, Periquito elegante, periquito-elegante
  Neophema petrophila (Gould, 1841) -- valid -- Rock Parrot, Perruche des rochers, Periquito roquero, periquito-da-rocha
  Neophema pulchella (Shaw, 1792) -- valid -- Turquoise Parrot, Turquoise Parakeet, Perruche turquoisine, Periquito turquesa, periquito-turquesa
  Neophema splendida (Gould, 1841) -- valid -- Scarlet-chested Parrot, Scarlet-chested Parakeet, Splendid Parakeet, Perruche splendide, Periquito espléndido, periquito-esplêndido
  Neophron Savigny, 1809 -- valid
  Neophron percnopterus (Linnaeus, 1758) -- valid -- Egyptian Vulture
  Neopipo P. L. Sclater & Salvin, 1869 -- valid
  Neopipo cinnamomea (Lawrence, 1869) -- valid -- Cinnamon Neopipo
  Neopsephotus Mathews, 1912 -- valid
  Neopsephotus bourkii (Gould, 1841) -- valid -- Bourke's Parrot, Perruche de Bourke, Periquito rosado, periquito-rosa
  Neopsittacus Salvadori, 1875 -- valid
  Neopsittacus musschenbroekii (Schlegel, 1871) -- valid -- Yellow-billed Lorikeet, Lori de Musschenbroek, Lori montano grande
  Neopsittacus pullicauda Hartert, 1896 -- valid -- Orange-billed Lorikeet, Lori émeraude, Lori montano chico, lóris-de-bico-laranja
  Neospiza Salvadori, 1903 -- invalid
  Neospiza concolor (Barboza du Bocage, 1888) -- invalid -- Sao Tome Grosbeak
  Neothraupis Hellmayr, 1936 -- valid
  Neothraupis fasciata (M. H. K. Lichtenstein, 1823) -- valid -- Shrike-like Tanager, Tangara unifascié, Tangara bandeada, cigarra-do-campo, White-banded Shrike Tanager
  Neotis Sharpe, 1893 -- valid
  Neotis denhami (Children & Vigors, 1826) -- valid -- Denham's Bustard
  Neotis heuglinii (Hartlaub, 1859) -- valid -- Heuglin's Bustard
  Neotis ludwigii (Ruppell, 1837) -- valid -- Ludwig's Bustard
  Neotis nuba (Cretzschmar, 1826) -- valid -- Nubian Bustard
  Neoxolmis Hellmayr, 1927 -- valid
  Neoxolmis rufiventris (Vieillot, 1823) -- valid -- Chocolate-vented Tyrant
  Nephelornis Lowery & Tallman, 1976 -- valid
  Nephelornis oneilli Lowery & Tallman, 1976 -- valid -- Pardusco, Pardusco d'O'Neill, Tangara pardusca
  Nesasio J. L. Peters, 1937 -- valid
  Nesasio solomonensis (Hartert, 1901) -- valid -- Fearful Owl
  Nesillas Oberholser, 1899 -- valid
  Nesillas aldabrana Benson & Penny, 1968 -- valid -- Aldabra Brush Warbler
  Nesillas brevicaudata (Milne-Edwards & Oustalet, 1888) -- valid -- Grand Comoro Brush Warbler
  Nesillas longicaudata (E. Newton, 1877) -- valid -- Anjouan Brush Warbler
  Nesillas mariae Benson, 1960 -- valid -- Moheli Brush Warbler
  Nesillas typica (Hartlaub, 1860) -- valid -- Malagasy Brush Warbler
  Nesocharis Alexander, 1903 -- valid
  Nesocharis ansorgei (Hartert, 1899) -- valid -- White-collared Oliveback
  Nesocharis capistrata (Hartlaub, 1861) -- valid -- Grey-headed Oliveback
  Nesocharis shelleyi Alexander, 1903 -- valid -- Shelley's Oliveback
  Nesocichla Gould, 1855 -- valid
  Nesocichla eremita Gould, 1855 -- valid -- Tristan Thrush
  Nesoclopeus J. L. Peters, 1932 -- valid
  Nesoclopeus poecilopterus (Hartlaub, 1866) -- valid -- Bar-winged Rail
  Nesoclopeus woodfordi (Ogilvie-Grant, 1889) -- invalid
  Nesoctites Hargitt, 1890 -- valid
  Nesoctites micromegas (Sundevall, 1866) -- valid -- Antillean Piculet
  Nesofregetta Mathews, 1912 -- valid
  Nesofregetta fuliginosa (Gmelin, 1789) -- valid -- Polynesian Storm Petrel
  Nesomimus Ridgway, 1890 -- invalid
  Nesomimus macdonaldi Ridgway, 1890 -- invalid -- Hood Mockingbird
  Nesomimus melanotis (Gould, 1837) -- invalid -- San Cristobal Mockingbird
  Nesomimus parvulus (Gould, 1837) -- invalid -- Galapagos Mockingbird
  Nesomimus trifasciatus (Gould, 1837) -- invalid -- Floreana Mockingbird
  Nesopsar P. L. Sclater, 1859 -- valid
  Nesopsar nigerrimus (Osburn, 1859) -- valid -- Jamaican Blackbird
  Nesospingus P. L. Sclater, 1885 -- valid -- Puerto Rican Tanagers
  Nesospingus speculiferus (Lawrence, 1875) -- valid -- Pleureur de Porto Rico, Tangara puertorriqueña, Puerto Rican Tanager
  Nesospiza Cabanis, 1873 -- valid
  Nesospiza acunhae Cabanis, 1873 -- valid -- Tristan Finch, Inaccessible Island Finch, Nésospize de Tristan da Cunha, Yal de la Inaccesible, Nightingale Island Finch, Inaccessible Finch
  Nesospiza wilkinsi Lowe, 1923 -- valid -- Wilkins's Finch, Nésospize de Wilkins, Yal de Wilkins
  Nesotriccus C. H. Townsend, 1895 -- valid
  Nesotriccus ridgwayi C. H. Townsend, 1895 -- valid -- Cocos Flycatcher
  Nestor R. Lesson, 1830 -- valid
  Nestor meridionalis (J. F. Gmelin, 1788) -- valid -- New Zealand Kaka, Nestor superbe, Kaka, kaka
  Nestor notabilis Gould, 1856 -- valid -- Kea, Nestor kéa, Kea, papagaio-da-nova-zelândia
  Nestor productus (Gould, 1836) -- valid -- Norfolk Kaka, Norfolk Island Kaka, Nestor de Norfolk, Kaka de la Norfolk, kaka-de-norfolk
  Netta Kaup, 1829 -- valid
  Netta erythrophthalma (Wied-Neuwied, 1833) -- valid -- Southern Pochard, Nette brune, Pato morado, paturi-preta
  Netta peposaca (Vieillot, 1816) -- valid -- Rosy-billed Pochard, Nette demi-deuil, Pato picazo, marrecão
  Netta rufina (Pallas, 1773) -- valid -- Red-crested Pochard, Nette rousse, Pato colorado, pato-de-bico-vermelho
  Nettapus J. F. Brandt, 1836 -- valid
  Nettapus auritus (Boddaert, 1783) -- valid -- African Pygmy Goose, Anserelle naine, Gansito africano, pato-orelhudo, African Pygmy-Goose
  Nettapus coromandelianus (J. F. Gmelin, 1789) -- valid -- Cotton Pygmy Goose, Anserelle de Coromandel, Gansito asiático, gansinho-oriental, Asian Pygmy Goose, Cotton Teal, Cotton Pygmy-Goose
  Nettapus pulchellus Gould, 1842 -- valid -- Green Pygmy Goose, Anserelle élégante, Gansito australiano, ganso-pigmeu-verde, Green Pygmy-Goose
  Newtonia Schlegel, 1867 -- valid
  Newtonia amphichroa Reichenow, 1891 -- valid -- Dark Newtonia
  Newtonia archboldi Delacour & Berlioz, 1931 -- valid -- Archbold's Newtonia
  Newtonia brunneicauda (A. Newton, 1863) -- valid -- Common Newtonia
  Newtonia fanovanae Gyldenstolpe, 1933 -- valid -- Red-tailed Newtonia
  Nicator Hartlaub & Finsch, 1870 -- valid
  Nicator chloris (Valenciennes, 1826) -- valid -- Western Nicator
  Nicator gularis Hartlaub & Finsch, 1870 -- valid -- Eastern Nicator
  Nicator vireo Cabanis, 1876 -- valid -- Yellow-throated Nicator
  Nicropsitta R. Lesson, 1831 -- invalid
  Nigrita Strickland, 1843 -- valid
  Nigrita bicolor (Hartlaub, 1844) -- valid -- Chestnut-breasted Nigrita
  Nigrita canicapilla (Strickland, 1841) -- invalid
  Nigrita fusconota Fraser, 1843 -- invalid
  Nigrita luteifrons J. Verreaux & E. Verreaux, 1851 -- valid -- Pale-fronted Nigrita
  Nilaus Swainson, 1827 -- valid
  Nilaus afer (Latham, 1802) -- valid -- Brubru
  Niltava Hodgson, 1837 -- valid
  Niltava davidi La Touche, 1907 -- valid -- Fujian Niltava
  Niltava grandis (Blyth, 1842) -- valid -- Large Niltava
  Niltava macgrigoriae (Burton, 1836) -- valid -- Small Niltava
  Niltava sumatrana Salvadori, 1879 -- valid -- Rufous-vented Niltava
  Niltava sundara Hodgson, 1837 -- valid -- Rufous-bellied Niltava
  Niltava vivida (Swinhoe, 1864) -- valid -- Vivid Niltava
  Ninox Hodgson, 1837 -- valid
  Ninox affinis Beavan, 1867 -- valid -- Andaman Hawk-Owl
  Ninox boobook (Latham, 1801) -- valid -- Southern Boobook
  Ninox connivens (Latham, 1801) -- valid -- Barking Boobook, Barking Owl
  Ninox jacquinoti (Bonaparte, 1850) -- valid -- Solomons Boobook
  Ninox meeki Rothschild & Hartert, 1914 -- valid -- Manus Boobook
  Ninox novaeseelandiae (J. F. Gmelin, 1788) -- valid -- Morepork
  Ninox ochracea (Schlegel, 1866) -- valid -- Ochre-bellied Boobook
  Ninox odiosa P. L. Sclater, 1877 -- valid -- Spangled Boobook, New Britain Boobook
  Ninox philippensis Bonaparte, 1855 -- valid -- Philippine Hawk-Owl, Luzon Hawk-Owl
  Ninox punctulata (Quoy & Gaimard, 1832) -- valid -- Speckled Boobook
  Ninox rudolfi A. B. Meyer, 1882 -- valid -- Sumba Boobook
  Ninox rufa (Gould, 1846) -- valid -- Rufous Boobook, Rufous Owl
  Ninox scutulata (Raffles, 1822) -- valid -- Brown Hawk-Owl
  Ninox squamipila (Bonaparte, 1850) -- valid -- Moluccan Boobook, Hantu Boobook
  Ninox strenua (Gould, 1838) -- valid -- Powerful Boobook, Powerful Owl
  Ninox superciliaris (Vieillot, 1817) -- valid -- White-browed Hawk-Owl
  Ninox theomacha (Bonaparte, 1855) -- valid -- Jungle Boobook, Papuan Boobook
  Ninox variegata (Quoy & Gaimard, 1830) -- valid -- Barred Boobook, New Ireland Boobook
  Nipponia Reichenbach, 1853 -- valid
  Nipponia nippon (Temminck, 1835) -- valid -- Japanese Crested Ibis, Crested Ibis
  Nomonyx Ridgway, 1880 -- valid
  Nomonyx dominica (Linnaeus, 1766) -- invalid
  Nonnula P. L. Sclater, 1854 -- valid
  Nonnula amaurocephala Chapman, 1921 -- valid -- Chestnut-headed Nunlet
  Nonnula brunnea P. L. Sclater, 1881 -- valid -- Brown Nunlet
  Nonnula frontalis (P. L. Sclater, 1854) -- valid -- Grey-cheeked Nunlet
  Nonnula rubecula (von Spix, 1824) -- valid -- Rusty-breasted Nunlet
  Nonnula ruficapilla (Tschudi, 1844) -- valid -- Rufous-capped Nunlet, Gray-cheeked Nunlet
  Nonnula sclateri Hellmayr, 1907 -- valid -- Fulvous-chinned Nunlet
  Northiella Mathews, 1912 -- valid
  Northiella haematogaster (Gould, 1838) -- valid -- Bluebonnet, Eastern Bluebonnet, Greater Bluebonnet, Perruche à bonnet bleu, Perico cariazul, periquito-de-bluebonnet
  Notharchus Cabanis & Heine, 1863 -- valid
  Notharchus macrorhynchos (J. F. Gmelin, 1788) -- valid -- White-necked Puffbird, Buco de collar, Guianan Puffbird
  Notharchus ordii (Cassin, 1851) -- valid -- Brown-banded Puffbird
  Notharchus pectoralis (G. R. Gray, 1846) -- valid -- Black-breasted Puffbird
  Notharchus tectus (Boddaert, 1783) -- valid -- Pied Puffbird
  Nothocercus Bonaparte, 1856 -- valid
  Nothocercus bonapartei (G. R. Gray, 1867) -- valid -- Highland Tinamou
  Nothocercus julius (Bonaparte, 1854) -- valid -- Tawny-breasted Tinamou
  Nothocercus nigrocapillus (G. R. Gray, 1867) -- valid -- Hooded Tinamou
  Nothocrax Burmeister, 1856 -- valid
  Nothocrax urumutum (Spix, 1825) -- valid -- Hocco nocturne, Paují nocturno, urumutum, Nocturnal Curassow
  Nothoprocta P. L. Sclater & Salvin, 1873 -- valid
  Nothoprocta cinerascens (Burmeister, 1860) -- valid -- Brushland Tinamou
  Nothoprocta curvirostris P. L. Sclater & Salvin, 1873 -- valid -- Curve-billed Tinamou
  Nothoprocta kalinowskii von Berlepsch & Stolzmann, 1901 -- invalid -- Kalinowski's Tinamou
  Nothoprocta ornata (G. R. Gray, 1867) -- valid -- Ornate Tinamou
  Nothoprocta pentlandii (G. R. Gray, 1867) -- valid -- Andean Tinamou
  Nothoprocta perdicaria (Kittlitz, 1830) -- valid -- Chilean Tinamou
  Nothoprocta taczanowskii P. L. Sclater & Salvin, 1875 -- valid -- Taczanowski's Tinamou
  Nothura Wagler, 1827 -- valid
  Nothura boraquira (von Spix, 1825) -- valid -- White-bellied Nothura
  Nothura chacoensis Conover, 1937 -- valid -- Chaco Nothura
  Nothura darwinii G. R. Gray, 1867 -- valid -- Darwin's Nothura
  Nothura maculosa (Temminck, 1815) -- valid -- Spotted Nothura
  Nothura minor (von Spix, 1825) -- valid -- Lesser Nothura
  Notiochelidon S. F. Baird, 1865 -- valid
  Notiochelidon cyanoleuca (Vieillot, 1817) -- valid -- Blue-and-white Swallow
  Notiochelidon flavipes (Chapman, 1922) -- valid -- Pale-footed Swallow
  Notiochelidon murina (Cassin, 1853) -- valid -- Brown-bellied Swallow
  Notiochelidon pileata (Gould, 1858) -- valid -- Golondrina gorra negra, Black-capped Swallow
  Notiomystis Richmond, 1908 -- valid
  Notiomystis cincta (Du Bus de Gisignies, 1839) -- valid -- Stitchbird
  Notornis Owen, 1848 -- invalid
  Nucifraga Brisson, 1760 -- valid -- Nutcrackers
  Nucifraga caryocatactes (Linnaeus, 1758) -- valid -- Spotted Nutcracker
  Nucifraga columbiana (A. Wilson, 1811) -- valid -- Clark's Nutcracker, Cascanueces americano
  Numenius Brisson, 1760 -- valid -- Curlews
  Numenius americanus Bechstein, 1812 -- valid -- Zarapito pico largo, Long-billed Curlew, Courlis à long bec, Zarapito americano, maçarico-bicudo
  Numenius arquata (Linnaeus, 1758) -- valid -- Eurasian Curlew, Courlis cendré, Zarapito real, maçarico-real
  Numenius borealis (J. R. Forster, 1772) -- valid -- Zarapito boreal, Eskimo Curlew, Courlis esquimau, Zarapito esquimal, maçarico-esquimó
  Numenius madagascariensis (Linnaeus, 1766) -- valid -- Far Eastern Curlew, Eastern Curlew, Courlis de Sibérie, Zarapito siberiano, maçarico-siberiano
  Numenius minutus Gould, 1841 -- valid -- Little Curlew, Courlis nain, Zarapito chico, maçarico-pequeno
  Numenius phaeopus (Linnaeus, 1758) -- valid -- Zarapito trinador, Whimbrel, Courlis corlieu, Eurasian Whimbrel, maçarico-galego
  Numenius tahitiensis (J. F. Gmelin, 1789) -- valid -- Bristle-thighed Curlew, Courlis d'Alaska, Zarapito del Pacífico, maçarico-de-coxas-arrepiadas
  Numenius tenuirostris Vieillot, 1817 -- valid -- Slender-billed Curlew, Courlis à bec grêle, Zarapito fino, maçarico-de-bico-fino
  Numida Linnaeus, 1764 -- valid -- Guineafowl
  Numida meleagris (Linnaeus, 1758) -- valid -- Pintade de Numidie, Pintada común, pintada, Helmeted Guineafowl
  Numididae -- valid -- Guineafowl
  Nyctanassa Stejneger, 1887 -- valid
  Nyctanassa violacea (Linnaeus, 1758) -- valid -- Yellow-crowned Night-Heron, Pedrete corona clara, Yellow-crowned Night Heron, Bihoreau violacé
  Nyctea Stephens, 1826 -- invalid -- Snowy Owls
  Nyctea scandiaca (Linnaeus, 1758) -- invalid -- snowy owl, harfang des neiges
  Nyctibiidae -- valid -- Potoos
  Nyctibius Vieillot, 1816 -- valid -- Potoos
  Nyctibius aethereus (zu Wied-Neuwied, 1820) -- valid -- Long-tailed Potoo
  Nyctibius bracteatus Gould, 1846 -- invalid -- Rufous Potoo
  Nyctibius grandis (J. F. Gmelin, 1789) -- valid -- Bienparado mayor, Great Potoo
  Nyctibius griseus (J. F. Gmelin, 1789) -- valid -- Common Potoo, Bienparado norteño
  Nyctibius jamaicensis (J. F. Gmelin, 1789) -- valid -- Northern Potoo
  Nyctibius leucopterus (zu Wied-Neuwied, 1821) -- valid -- White-winged Potoo
  Nyctibius maculosus Ridgway, 1912 -- valid -- Andean Potoo
  Nycticorax T. Forster, 1817 -- valid -- Night-Herons
  Nycticorax caledonicus (Gmelin, 1789) -- valid -- Rufous Night Heron, Nankeen Night Heron
  Nycticorax nycticorax (Linnaeus, 1758) -- valid -- Pedrete corona negra, Black-crowned Night Heron, Black-crowned Night-Heron, Bihoreau gris
  Nyctidromus Gould, 1838 -- valid -- Pauraques
  Nyctidromus albicollis (J. F. Gmelin, 1789) -- valid -- Common Pauraque, Chotacabras pauraque, Pauraque
  Nyctiphrynus Bonaparte, 1857 -- valid
  Nyctiphrynus mcleodii (Brewster, 1888) -- valid -- Tapacamino prío, Eared Poorwill
  Nyctiphrynus ocellatus (Tschudi, 1844) -- valid -- Ocellated Poorwill
  Nyctiphrynus rosenbergi (Hartert, 1895) -- valid -- Choco Poorwill
  Nyctiphrynus yucatanicus (Hartert, 1892) -- valid -- Tapacamino yucateco, Yucatan Poorwill
  Nyctiprogne Bonaparte, 1857 -- valid
  Nyctiprogne leucopyga (von Spix, 1825) -- valid -- Band-tailed Nighthawk
  Nyctyornis Jardine & Selby, 1830 -- valid
  Nyctyornis amictus (Temminck, 1824) -- valid -- Red-bearded Bee-eater, abelharuco-ruivo, Abejaruco barbirrojo, Guêpier à fraise
  Nyctyornis athertoni (Jardine & Selby, 1828) -- valid -- Blue-bearded Bee-eater, abelharuco-azuláceo, Abejaruco barbiazul, Guêpier à barbe bleue
  Nymphicus Wagler, 1832 -- valid
  Nymphicus hollandicus (Kerr, 1792) -- valid -- Cockatiel, Calopsitte élégante, Cacatúa ninfa, cocatiel
  Nystalus Cabanis & Heine, 1863 -- valid
  Nystalus chacuru (Vieillot, 1816) -- valid -- White-eared Puffbird
  Nystalus maculatus (J. F. Gmelin, 1788) -- valid -- Spot-backed Puffbird, Caatinga Puffbird
  Nystalus radiatus (P. L. Sclater, 1854) -- valid -- Barred Puffbird
  Nystalus striolatus (Pelzeln, 1856) -- valid -- Striolated Puffbird, Eastern Striolated Puffbird
  Oceanites Keyserling & J. H. Blasius, 1840 -- valid -- Wilson's Storm-Petrels
  Oceanites gracilis (Elliot, 1859) -- valid -- White-vented Storm Petrel, Elliot's Storm Petrel
  Oceanites maorianus (Mathews, 1932) -- valid -- New Zealand Storm Petrel
  Oceanites oceanicus (Kuhl, 1820) -- valid -- Wilson's Storm Petrel, Wilson's Storm-Petrel, Paíño de Wilson, Océanite de Wilson
  Oceanodroma Reichenbach, 1853 -- valid -- Dark Storm Petrels
  Oceanodroma castro (Harcourt, 1851) -- valid -- Paíño de Harcourt, Band-rumped Storm Petrel, Océanite de Castro, Band-rumped Storm-Petrel
  Oceanodroma furcata (Gmelin, 1789) -- valid -- Fork-tailed Storm-Petrel, Fork-tailed Storm Petrel, Océanite à queue fourchue
  Oceanodroma homochroa (Coues, 1864) -- valid -- Paíño cenizo, Ashy Storm Petrel, Ashy Storm-Petrel, Océanite cendré
  Oceanodroma hornbyi (G. R. Gray, 1854) -- valid -- Hornby's Storm Petrel, Océanite de Hornby, Ringed Storm-Petrel
  Oceanodroma leucorhoa (Vieillot, 1818) -- valid -- Paíño de Leach, Leach's Storm-Petrel, Leach's Storm Petrel, Océanite cul-blanc
  Oceanodroma macrodactyla W. E. Bryant, 1887 -- valid -- Paíño de Guadalupe, Guadalupe Storm-Petrel, Océanite de Guadalupe
  Oceanodroma markhami (Salvin, 1883) -- valid -- Markham's Storm-Petrel, Océanite de Markham, Markham's Storm Petrel
  Oceanodroma matsudairae Kuroda, 1922 -- valid -- Matsudaira's Storm Petrel
  Oceanodroma melania (Bonaparte, 1854) -- valid -- Paíño negro, Black Storm Petrel, Océanite noir, Black Storm-Petrel
  Oceanodroma microsoma (Coues, 1864) -- valid -- Least Storm-Petrel, Paíño mínimo, Océanite minute, Least Storm Petrel
  Oceanodroma monorhis (Swinhoe, 1867) -- valid -- Swinhoe's Storm Petrel, Swinhoe's Storm-Petrel, Océanite de Swinhoe
  Oceanodroma tethys (Bonaparte, 1852) -- valid -- Wedge-rumped Storm-Petrel, Paíño de Galápagos, Océanite téthys, Wedge-rumped Storm Petrel
  Oceanodroma tristrami Salvin, 1896 -- valid -- Sooty Storm-Petrel, Tristram's Storm Petrel, Océanite de Tristram, Tristram's Storm-Petrel
  Ochthoeca Cabanis, 1847 -- valid
  Ochthoeca cinnamomeiventris (Lafresnaye, 1843) -- valid -- Slaty-backed Chat-Tyrant
  Ochthoeca fumicolor P. L. Sclater, 1856 -- valid -- Brown-backed Chat-Tyrant
  Ochthoeca leucophrys (Orbigny & Lafresnaye, 1837) -- valid -- White-browed Chat-Tyrant
  Ochthoeca oenanthoides (Orbigny & Lafresnaye, 1837) -- valid -- d'Orbigny's Chat-Tyrant
  Ochthoeca piurae Chapman, 1924 -- valid -- Piura Chat-Tyrant
  Ochthoeca rufipectoralis (Orbigny & Lafresnaye, 1837) -- valid -- Rufous-breasted Chat-Tyrant
  Ochthoeca salvini Taczanowski, 1877 -- invalid
  Ochthornis P. L. Sclater, 1888 -- valid
  Ochthornis littoralis (Pelzeln, 1868) -- valid -- Drab Water Tyrant
  Ocreatus Gould, 1846 -- valid
  Ocreatus underwoodii (R. Lesson, 1832) -- valid -- Booted Racket-tail, White-booted Racket-tail
  Oculocincta Mees, 1953 -- valid
  Oculocincta squamifrons (Sharpe, 1892) -- valid -- Pygmy Ibon
  Ocyalus Waterhouse, 1841 -- valid
  Ocyalus latirostris (Swainson, 1838) -- valid -- Band-tailed Oropendola
  Ocyceros Hume, 1873 -- valid
  Ocyceros birostris (Scopoli, 1786) -- valid -- Indian Grey Hornbill, calau-cinzento-indiano, Cálao gris indio, Calao de Gingi, Indian Gray Hornbill
  Ocyceros gingalensis (Shaw, 1812) -- valid -- Sri Lankan Grey Hornbill, Sri Lanka Grey Hornbill, Cálao gris cingalés, Calao de Ceylan, Sri Lanka Gray Hornbill
  Ocyceros griseus (Latham, 1790) -- valid -- Malabar Grey Hornbill, Cálao gris malabar, Calao gris, Malabar Gray Hornbill
  Odontophoridae -- valid -- New World Quails
  Odontophorus Vieillot, 1816 -- valid
  Odontophorus atrifrons J. A. Allen, 1900 -- valid -- Tocro à front noir, Corcovado carinegro, corcovado-de-fronte-preta, Black-fronted Wood-Quail, Black-fronted Wood Quail
  Odontophorus balliviani Gould, 1846 -- valid -- Tocro de Ballivian, Corcovado enmascarado, corcovado-mascarado, Stripe-faced Wood-Quail, Stripe-faced Wood Quail
  Odontophorus capueira (Spix, 1825) -- valid -- Tocro uru, Corcovado urú, uru, Spot-winged Wood-Quail, Spot-winged Wood Quail
  Odontophorus columbianus Gould, 1850 -- valid -- Tocro du Venezuela, Corcovado venezolano, corcovado-venezuelano, Venezuelan Wood-Quail, Venezuelan Wood Quail
  Odontophorus dialeucos Wetmore, 1963 -- valid -- Tocro du Panama, Corcovado del Tacarcuna, corcovado-da-tacarcuna, Tacarcuna Wood Quail, Tacarcuna Wood-Quail
  Odontophorus erythrops Gould, 1859 -- valid -- Tocro à front roux, Corcovado frentirrojo, corcovado-de-fronte-ruiva, Rufous-fronted Wood-Quail, Rufous-fronted Wood Quail
  Odontophorus gujanensis (J. F. Gmelin, 1789) -- valid -- Tocro de Guyane, Corcovado común, uru-corcovado, Marbled Wood Quail, Marbled Wood-Quail
  Odontophorus guttatus (Gould, 1838) -- valid -- Tocro tacheté, Corcovado goteado, corcovado-pintado, Spotted Wood Quail, Codorniz bolonchaco, Spotted Wood-Quail
  Odontophorus hyperythrus Gould, 1858 -- valid -- Tocro marron, Corcovado castaño, corcovado-castanho, Chestnut Wood-Quail, Chestnut Wood Quail
  Odontophorus leucolaemus Salvin, 1867 -- valid -- Tocro à poitrine noire, Corcovado pechinegro, corcovado-de-peito-preto, Black-breasted Wood Quail, Black-breasted Wood-Quail
  Odontophorus melanonotus Gould, 1861 -- valid -- Tocro à dos noir, Corcovado dorsioscuro, corcovado-de-dorso-escuro, Dark-backed Wood-Quail, Black-backed Wood Quail, Dark-backed Wood Quail
  Odontophorus melanotis Salvin, 1865 -- valid -- Tocro à face noire, Corcovado orejinegro, corcovado-de-orelhas-pretas, Black-eared Wood Quail, Black-eared Wood-Quail
  Odontophorus speciosus Tschudi, 1843 -- valid -- Tocro à poitrine rousse, Corcovado pechirrufo, corcovado-de-peito-ruivo, Rufous-breasted Wood-Quail, Rufous-breasted Wood Quail
  Odontophorus stellatus (Gould, 1843) -- valid -- Tocro étoilé, Corcovado estrellado, uru-de-topete, Starred Wood-Quail, Starred Wood Quail
  Odontophorus strophium (Gould, 1844) -- valid -- Tocro à miroir, Corcovado gorjiblanco, corcovado-de-papo-branco, Gorgeted Wood-Quail, Gorgeted Wood Quail
  Odontorchilus Richmond, 1915 -- valid
  Odontorchilus branickii (Taczanowski & Berlepsch, 1885) -- valid -- Grey-mantled Wren
  Odontorchilus cinereus (Pelzeln, 1868) -- valid -- Tooth-billed Wren
  Oedistoma Salvadori, 1876 -- valid
  Oedistoma pygmaeum Salvadori, 1876 -- valid -- Pygmy Longbill
  Oena Swainson, 1837 -- valid
  Oena capensis (Linnaeus, 1766) -- valid -- Namaqua Dove
  Oenanthe Vieillot, 1816 -- valid -- Wheatears
  Oenanthe alboniger (Hume, 1872) -- invalid
  Oenanthe bottae (Bonaparte, 1854) -- valid -- Red-breasted Wheatear
  Oenanthe cypriaca (Homeyer, 1884) -- valid -- Cyprus Wheatear
  Oenanthe deserti (Temminck, 1825) -- valid -- Desert Wheatear
  Oenanthe finschii (Heuglin, 1869) -- valid -- Finsch's Wheatear
  Oenanthe heuglini (Finsch & Hartlaub, 1870) -- valid -- Heuglin's Wheatear
  Oenanthe hispanica (Linnaeus, 1758) -- valid -- Black-eared Wheatear
  Oenanthe isabellina (Temminck, 1829) -- valid -- Isabelline Wheatear
  Oenanthe leucopyga (C. L. Brehm, 1855) -- valid -- White-crowned Wheatear
  Oenanthe leucura (Gmelin, 1789) -- valid -- Black Wheatear
  Oenanthe lugens (Lichtenstein, 1823) -- valid -- Mourning Wheatear
  Oenanthe lugentoides (Seebohm, 1881) -- valid -- Arabian Wheatear
  Oenanthe lugubris (Rüppell, 1837) -- valid -- Abyssinian Wheatear
  Oenanthe moesta (Lichtenstein, 1823) -- valid -- Red-rumped Wheatear
  Oenanthe monacha (Temminck, 1825) -- valid -- Hooded Wheatear
  Oenanthe monticola Vieillot, 1818 -- valid -- Mountain Wheatear
  Oenanthe oenanthe (Linnaeus, 1758) -- valid -- Collalba norteña, Northern Wheatear, traquet motteux
  Oenanthe phillipsi (Shelley, 1885) -- valid -- Somali Wheatear
  Oenanthe picata (Blyth, 1847) -- valid -- Variable Wheatear
  Oenanthe pileata (Gmelin, 1789) -- valid -- Capped Wheatear
  Oenanthe pleschanka (Lepechin, 1770) -- valid -- Pied Wheatear
  Oenanthe xanthoprymna (Hemprich & Ehrenberg, 1833) -- valid -- Kurdistan Wheatear
  Ognorhynchus Bonaparte, 1857 -- valid
  Ognorhynchus icterotis (Massena & Souancé, 1854) -- valid -- Yellow-eared Parrot, Conure à joues d'or, Aratinga orejigualda, papagaio-de-crista-amarela
  Oncostoma P. L. Sclater, 1862 -- valid
  Oncostoma cinereigulare (P. L. Sclater, 1857) -- valid -- Northern Bentbill, Mosquero pico curvo
  Oncostoma olivaceum (Lawrence, 1862) -- valid -- Southern Bentbill
  Onychognathus Hartlaub, 1849 -- valid
  Onychognathus albirostris (Rüppell, 1836) -- valid -- White-billed Starling
  Onychognathus blythii (Hartlaub, 1859) -- valid -- Somali Starling
  Onychognathus frater (P. L. Sclater & Hartlaub, 1881) -- valid -- Socotra Starling
  Onychognathus fulgidus Hartlaub, 1849 -- valid -- Chestnut-winged Starling
  Onychognathus morio (Linnaeus, 1766) -- valid -- Red-winged Starling
  Onychognathus nabouroup (Daudin, 1800) -- valid -- Pale-winged Starling
  Onychognathus salvadorii (Sharpe, 1891) -- valid -- Bristle-crowned Starling
  Onychognathus tenuirostris (Rüppell, 1836) -- valid -- Slender-billed Starling
  Onychognathus tristramii (P. L. Sclater, 1858) -- valid -- Tristram's Starling
  Onychognathus walleri (Shelley, 1880) -- valid -- Waller's Starling
  Onychorhynchus Fischer von Waldheim, 1810 -- valid
  Onychorhynchus coronatus (Statius Muller, 1776) -- valid -- Royal Flycatcher, Mosquero real, Amazonian Royal Flycatcher
  Ophrysia Bonaparte, 1856 -- valid
  Ophrysia superciliosa (J. E. Gray, 1846) -- valid -- Ophrysie de l'Himalaya, Perdicilla himalaya, codorna-himalaia, Himalayan Quail
  Opisthocomidae -- valid
  Opisthocomus Illiger, 1811 -- valid
  Opisthocomus hoazin (Statius Muller, 1776) -- valid -- Hoatzin
  Opisthoprora Cabanis & Heine, 1860 -- valid
  Opisthoprora euryptera (Loddiges, 1832) -- valid -- Mountain Avocetbill
  Oporornis S. F. Baird, 1858 -- valid -- Mourning Warblers
  Oporornis agilis (A. Wilson, 1812) -- valid -- Paruline à gorge grise, Connecticut Warbler
  Oporornis formosus (A. Wilson, 1811) -- invalid -- Chipe patilludo, Kentucky Warbler, paruline du Kentucky
  Oporornis philadelphia (A. Wilson, 1810) -- invalid -- Chipe enlutado, Mourning Warbler, paruline triste
  Oporornis tolmiei (J. K. Townsend, 1839) -- invalid -- MacGillivray's Warbler, Chipe de Tolmie
  Orchesticus Cabanis, 1851 -- valid
  Orchesticus abeillei (R. Lesson, 1839) -- valid -- Brown Tanager, Tangara brun, Tangara parda, sanhaço-pardo
  Oreocharis Salvadori, 1876 -- valid
  Oreocharis arfaki (A. B. Meyer, 1875) -- valid -- Tit Berrypecker
  Oreoica Gould, 1838 -- valid
  Oreoica gutturalis (Vigors & Horsfield, 1827) -- valid -- Crested Bellbird
  Oreomanes P. L. Sclater, 1860 -- invalid
  Oreomanes fraseri P. L. Sclater, 1860 -- invalid -- Giant Conebill
  Oreomystis Stejneger, 1903 -- valid -- Oreomystine Creepers
  Oreomystis bairdi (Stejneger, 1887) -- valid -- Kauai Creeper, Akikiki
  Oreomystis mana (S. B. Wilson, 1891) -- invalid -- Hawaii Creeper
  Oreonympha Gould, 1869 -- valid
  Oreonympha nobilis Gould, 1869 -- valid -- Bearded Mountaineer
  Oreophasis G. R. Gray, 1844 -- valid
  Oreophasis derbianus G. R. Gray, 1844 -- valid -- Oréophase cornu, Pavón cornudo, jacu-chifrudo, Horned Guan, Pavón
  Oreophilais Clancey, 1991 -- valid
  Oreophilais robertsi (Benson, 1946) -- valid -- Roberts's Warbler
  Oreopholus Jardine & Selby, 1835 -- valid
  Oreopholus ruficollis (Wagler, 1829) -- valid -- Tawny-throated Dotterel, Pluvier oréophile, Chorlito cabezón, batuíra-de-papo-ferrugíneo
  Oreopsar W. L. Sclater, 1939 -- invalid
  Oreopsar bolivianus W. L. Sclater, 1939 -- invalid
  Oreopsittacus Salvadori, 1877 -- valid
  Oreopsittacus arfaki (A. B. Meyer, 1874) -- valid -- Plum-faced Lorikeet, Lori bridé, Lori bigotudo
  Oreornis van Oort, 1910 -- valid
  Oreornis chrysogenys van Oort, 1910 -- valid -- Orange-cheeked Honeyeater, Méliphage des Maoke, Mielero carinaranja
  Oreortyx S. F. Baird, 1858 -- valid -- Mountain Quails
  Oreortyx pictus (Douglas, 1829) -- valid -- Colin des montagnes, Colín serrano, colim-serrano, Codorniz de montaña, Mountain Quail
  Oreoscoptes S. F. Baird, 1858 -- valid -- Sage Thrashers
  Oreoscoptes montanus (J. K. Townsend, 1837) -- valid -- Sage Thrasher, Cuitlacoche de chías
  Oreoscopus North, 1905 -- valid
  Oreoscopus gutturalis (De Vis, 1889) -- valid -- Fernwren
  Oreostruthus De Vis, 1898 -- valid
  Oreostruthus fuliginosus (De Vis, 1897) -- valid -- Mountain Firetail
  Oreothraupis P. L. Sclater, 1856 -- valid
  Oreothraupis arremonops (P. L. Sclater, 1855) -- valid -- Tanager Finch, Tohi élégant, Cerquero tangarino, Yellow-breasted Tanager Finch
  Oreotrochilus Gould, 1847 -- valid
  Oreotrochilus adela (d'Orbigny, 1838) -- valid -- Wedge-tailed Hillstar
  Oreotrochilus chimborazo (Delattre & Bourcier, 1846) -- valid -- Ecuadorian Hillstar
  Oreotrochilus estella (d'Orbigny, 1838) -- valid -- Andean Hillstar
  Oreotrochilus leucopleurus Gould, 1847 -- valid -- White-sided Hillstar
  Oreotrochilus melanogaster Gould, 1847 -- valid -- Black-breasted Hillstar
  Origma Gould, 1838 -- valid
  Origma solitaria (Lewin, 1808) -- valid -- Rockwarbler
  Oriolia I. Geoffroy Saint-Hilaire, 1838 -- valid
  Oriolia bernieri I. Geoffroy Saint-Hilaire, 1838 -- valid -- Bernier's Vanga
  Oriolus Linnaeus, 1766 -- valid
  Oriolus albiloris Ogilvie-Grant, 1894 -- valid -- White-lored Oriole
  Oriolus auratus Vieillot, 1817 -- valid -- African Golden Oriole
  Oriolus bouroensis (Quoy & Gaimard, 1830) -- valid -- Black-eared Oriole
  Oriolus brachyrhynchus Swainson, 1837 -- invalid
  Oriolus chinensis Linnaeus, 1766 -- valid -- Black-naped Oriole
  Oriolus chlorocephalus Shelley, 1896 -- valid -- Green-headed Oriole
  Oriolus crassirostris Hartlaub, 1857 -- valid -- Sao Tome Oriole
  Oriolus cruentus (Wagler, 1827) -- valid -- Black-and-crimson Oriole
  Oriolus flavocinctus (King, 1826) -- valid -- Green Oriole
  Oriolus forsteni (Bonaparte, 1850) -- valid -- Grey-collared Oriole
  Oriolus hosii Sharpe, 1892 -- valid -- Black Oriole
  Oriolus isabellae Ogilvie-Grant, 1894 -- valid -- Isabella Oriole
  Oriolus larvatus Lichtenstein, 1823 -- valid -- Black-headed Oriole
  Oriolus melanotis (Bonaparte, 1850) -- valid -- Olive-brown Oriole
  Oriolus mellianus Stresemann, 1922 -- valid -- Silver Oriole
  Oriolus monacha (Gmelin, 1789) -- valid -- Ethiopian Oriole
  Oriolus nigripennis J. Verreaux & E. Verreaux, 1855 -- valid -- Black-winged Oriole
  Oriolus oriolus (Linnaeus, 1758) -- valid -- Eurasian Golden Oriole
  Oriolus percivali Ogilvie-Grant, 1903 -- valid -- Mountain Oriole
  Oriolus phaeochromus G. R. Gray, 1861 -- valid -- Dusky-brown Oriole
  Oriolus sagittatus (Latham, 1802) -- valid -- Olive-backed Oriole
  Oriolus steerii Sharpe, 1877 -- valid -- Philippine Oriole
  Oriolus szalayi (Madarász, 1900) -- valid -- Brown Oriole
  Oriolus tenuirostris Blyth, 1846 -- valid -- Slender-billed Oriole
  Oriolus traillii (Vigors, 1832) -- valid -- Maroon Oriole
  Oriolus xanthonotus Horsfield, 1821 -- valid -- Dark-throated Oriole
  Oriolus xanthornus (Linnaeus, 1758) -- valid -- Black-hooded Oriole
  Oriturus Bonaparte, 1850 -- valid
  Oriturus superciliosus (Swainson, 1838) -- valid -- Zacatonero rayado, Striped Sparrow, Bruant rayé, Chingolo rayado
  Ornithion Hartlaub, 1853 -- valid
  Ornithion brunneicapillum (Lawrence, 1862) -- invalid
  Ornithion inerme Hartlaub, 1853 -- valid -- White-lored Tyrannulet
  Ornithion semiflavum (P. L. Sclater & Salvin, 1860) -- valid -- Yellow-bellied Tyrannulet, Mosquero ceja blanca
  Oroaetus Ridgway, 1920 -- invalid
  Oroaetus isidori (Des Murs, 1845) -- invalid -- Black-and-chestnut Eagle
  Ortalis Merrem, 1786 -- valid -- Chachalacas
  Ortalis canicollis (Wagler, 1830) -- valid -- Ortalide du chaco, Chachalaca charata, aracuã-do-pantanal, Chaco Chachalaca
  Ortalis cinereiceps G. R. Gray, 1867 -- valid -- Ortalide à tête grise, Chachalaca cabecigrís, aracuã-de-cabeça-cinzenta, Gray-headed Chachalaca, Grey-headed Chachalaca
  Ortalis erythroptera P. L. Sclater & Salvin, 1870 -- valid -- Ortalide à tête rousse, Chachalaca cabecirrufa, aracuã-de-cabeça-ruiva, Rufous-headed Chachalaca
  Ortalis garrula (Humboldt, 1805) -- valid -- Ortalide babillarde, Chachalaca alirroja, aracuã-de-asas-castanha, Chestnut-winged Chachalaca
  Ortalis guttata (Spix, 1825) -- valid -- Ortalide maillée, Chachalaca moteada, aracuã-pintado, Speckled Chachalaca
  Ortalis leucogastra (Gould, 1843) -- valid -- Ortalide à ventre blanc, Chachalaca ventriblanca, aracuã-de-barriga-branca, White-bellied Chachalaca, Chachalaca vientre blanco
  Ortalis motmot (Linnaeus, 1766) -- valid -- Ortalide motmot, Chachalaca motmot, aracuã-pequeno, Variable Chachalaca, Little Chachalaca
  Ortalis poliocephala (Wagler, 1830) -- valid -- Ortalide de Wagler, Chachalaca pechigrís, aracuã-de-peito-cinzento, West Mexican Chachalaca, Chachalaca pálida
  Ortalis ruficauda Jardine, 1847 -- valid -- Ortalide à ventre roux, Chachalaca culirroja, aracuã-de-ventre-ruivo, Rufous-vented Chachalaca
  Ortalis superciliaris G. R. Gray, 1867 -- valid -- Ortalide à sourcils, Chachalaca cejuda, aracuã-de-sobrancelhas, Buff-browed Chachalaca
  Ortalis vetula (Wagler, 1830) -- valid -- Ortalide chacamel, Chachalaca norteña, aracuã-de-asas-azuis, Plain Chachalaca, Chachalaca vetula
  Ortalis wagleri G. R. Gray, 1867 -- valid -- Ortalide à ventre marron, Chachalaca ventricastaña, aracuã-de-barriga-ruiva, Rufous-bellied Chachalaca, Chachalaca vientre castaño
  Orthogonys Strickland, 1844 -- valid
  Orthogonys chloricterus (Vieillot, 1819) -- valid -- Olive-green Tanager, Mitrospin viréon, Tangara verdioliva, catirumbava
  Orthonychidae G. R. Gray, 1840 -- valid
  Orthonyx Temminck, 1820 -- valid
  Orthonyx spaldingii E. P. Ramsay, 1868 -- valid -- Chowchilla
  Orthonyx temminckii Ranzani, 1822 -- valid -- Australian Logrunner
  Orthorhyncus Lacépède, 1799 -- valid -- Crested Hummingbirds
  Orthorhyncus cristatus (Linnaeus, 1758) -- valid -- Antillean Crested Hummingbird
  Orthotomus Horsfield, 1821 -- valid
  Orthotomus atrogularis Temminck, 1836 -- valid -- Dark-necked Tailorbird
  Orthotomus castaneiceps Walden, 1872 -- valid -- Philippine Tailorbird
  Orthotomus cinereiceps Sharpe, 1877 -- valid -- White-eared Tailorbird
  Orthotomus cuculatus Temminck, 1836 -- invalid
  Orthotomus derbianus Moore, 1855 -- valid -- Grey-backed Tailorbird
  Orthotomus frontalis Sharpe, 1877 -- valid
  Orthotomus heterolaemus (Mearns, 1905) -- invalid
  Orthotomus metopias (Reichenow, 1907) -- invalid
  Orthotomus moreaui (W. L. Sclater, 1931) -- invalid
  Orthotomus nigriceps Tweeddale, 1878 -- valid -- Black-headed Tailorbird
  Orthotomus ruficeps (Lesson, 1830) -- valid -- Ashy Tailorbird
  Orthotomus samarensis Steere, 1890 -- valid -- Yellow-breasted Tailorbird
  Orthotomus sepium Horsfield, 1821 -- valid -- Olive-backed Tailorbird
  Orthotomus sericeus Temminck, 1836 -- valid -- Rufous-tailed Tailorbird
  Orthotomus sutorius (Pennant, 1769) -- valid -- Common Tailorbird
  Ortygospiza Sundevall, 1850 -- valid
  Ortygospiza atricollis (Vieillot, 1817) -- valid -- Black-faced Quail-Finch
  Ortygospiza gabonensis Lynes, 1914 -- valid -- Black-chinned Quail-Finch
  Ortygospiza locustella (Neave, 1909) -- invalid -- Locust Finch
  Ortyxelos Vieillot, 1825 -- valid
  Ortyxelos meiffrenii (Vieillot, 1819) -- valid -- Quail-plover, Turnix à ailes blanches, Torillo alaudino, toirão-de-asas-brancas
  Oryzoborus Cabanis, 1851 -- invalid
  Oryzoborus angolensis (Linnaeus, 1766) -- invalid -- Lesser Seed Finch, Chestnut-bellied Seed Finch
  Oryzoborus atrirostris P. L. Sclater & Salvin, 1878 -- invalid -- Black-billed Seed Finch
  Oryzoborus crassirostris (J. F. Gmelin, 1789) -- invalid -- Large-billed Seed Finch
  Oryzoborus maximiliani Cabanis, 1851 -- invalid -- Great-billed Seed Finch
  Oryzoborus nuttingi Ridgway, 1884 -- invalid -- Nicaraguan Seed-Finch, Nicaraguan Seed Finch
  Otididae -- valid -- Bustards
  Otidiphaps Gould, 1870 -- valid
  Otidiphaps nobilis Gould, 1870 -- valid -- Pheasant Pigeon
  Otis Linnaeus, 1758 -- valid
  Otis tarda Linnaeus, 1758 -- valid -- Great Bustard
  Otus Pennant, 1769 -- valid -- Scops-Owls
  Otus albogularis (Cassin, 1849) -- invalid
  Otus angelinae (Finsch, 1912) -- valid -- Javan Scops Owl
  Otus asio (Linnaeus, 1758) -- invalid -- Tecolote oriental, Eastern Screech-Owl, petit-duc maculé
  Otus asio brewsteri Ridgway, 1914 -- invalid
  Otus atricapillus (Temminck, 1822) -- invalid
  Otus bakkamoena Pennant, 1769 -- valid -- Collared Scops Owl, Indian Scops Owl
  Otus balli (Hume, 1873) -- valid -- Andaman Scops Owl
  Otus barbarus (P. L. Sclater & Salvin, 1868) -- invalid -- Tecolote barbudo
  Otus brookii (Sharpe, 1892) -- valid -- Rajah Scops Owl
  Otus brucei (Hume, 1872) -- valid -- Pallid Scops Owl
  Otus choliba (Vieillot, 1817) -- invalid
  Otus clarkii L. Kelso & E. H. Kelso, 1935 -- invalid
  Otus elegans (Cassin, 1852) -- valid -- Ryukyu Scops Owl
  Otus flammeolus (Kaup, 1852) -- invalid -- Flammulated Owl, Tecolote ojo oscuro
  Otus fuliginosus (Sharpe, 1888) -- valid -- Palawan Scops Owl
  Otus hartlaubi (Giebel, 1872) -- valid -- Sao Tome Scops Owl
  Otus icterorhynchus (Shelley, 1873) -- valid -- Sandy Scops Owl
  Otus ingens (Salvin, 1897) -- invalid
  Otus ireneae Ripley, 1966 -- valid -- Morden's Owlet, Sokoke, Sokoke Scops Owl
  Otus kennicottii (D. G. Elliot, 1867) -- invalid -- Tecolote occidental, Western Screech-Owl
  Otus koepckeae Hekstra, 1982 -- invalid
  Otus lawrencii (P. L. Sclater & Salvin, 1868) -- invalid -- Cuban Screech-Owl
  Otus leucotis (Temminck, 1820) -- invalid
  Otus longicornis (Ogilvie-Grant, 1894) -- valid -- Luzon Scops Owl
  Otus magicus (S. Müller, 1841) -- valid -- Moluccan Scops Owl
  Otus manadensis (Quoy & Gaimard, 1832) -- valid -- Sulawesi Scops Owl
  Otus mantananensis (Sharpe, 1892) -- valid -- Mantanani Scops Owl
  Otus marshalli Weske & Terborgh, 1981 -- invalid
  Otus megalotis (Walden, 1875) -- valid -- Philippine Scops Owl
  Otus mentawi Chasen & Kloss, 1926 -- valid -- Mentawai Scops Owl
  Otus mindorensis (J. Whitehead, 1899) -- valid -- Mindoro Scops Owl
  Otus mirus Ripley & Rabor, 1968 -- valid -- Mindanao Scops Owl
  Otus nudipes (Daudin, 1800) -- invalid -- Puerto Rican Screech-Owl
  Otus pauliani Benson, 1960 -- valid -- Karthala Scops Owl
  Otus podarginus (Hartlaub & Finsch, 1872) -- invalid
  Otus roboratus Bangs & Noble, 1918 -- invalid
  Otus rufescens (Horsfield, 1821) -- valid -- Reddish Scops Owl
  Otus rutilus (Pucheran, 1849) -- valid -- Rainforest Scops Owl
  Otus sagittatus (Cassin, 1849) -- valid -- White-fronted Scops Owl
  Otus sanctaecatarinae (Salvin, 1897) -- invalid
  Otus scops (Linnaeus, 1758) -- valid -- Eurasian Scops Owl
  Otus silvicola (Wallace, 1864) -- valid -- Wallace's Scops Owl
  Otus spilocephalus (Blyth, 1846) -- valid -- Mountain Scops Owl
  Otus trichopsis (Wagler, 1832) -- invalid -- Whiskered Screech-Owl, Tecolote rítmico
  Otus umbra (Richmond, 1903) -- valid -- Simeulue Scops Owl
  Otus vermiculatus (Ridgway, 1887) -- invalid
  Otus watsonii (Cassin, 1849) -- invalid
  Oxylabes Sharpe, 1870 -- valid
  Oxylabes madagascariensis (Gmelin, 1789) -- valid -- White-throated Oxylabes
  Oxylophus Swainson, 1837 -- invalid
  Oxylophus jacobinus (Boddaert, 1783) -- invalid
  Oxylophus levaillantii (Swainson, 1829) -- invalid
  Oxypogon Gould, 1848 -- valid
  Oxypogon guerinii (Boissonneau, 1840) -- valid -- Green-bearded Helmetcrest
  Oxyruncus Temminck, 1820 -- valid
  Oxyruncus cristatus Swainson, 1821 -- valid -- Sharpbill
  Oxyura Bonaparte, 1828 -- valid -- Stiff-tailed Ducks
  Oxyura australis Gould, 1837 -- valid -- Blue-billed Duck, Érismature australe, Malvasía australiana, marreca-de-bico-azul
  Oxyura ferruginea (Eyton, 1838) -- valid -- Andean Duck, Érismature des Andes, Malvasía andina, pato-rabo-alçado-andino
  Oxyura jamaicensis (J. F. Gmelin, 1789) -- valid -- Pato tepalcate, Ruddy Duck, Érismature rousse, Malvasía canela, pato-rabo-alçado-americano
  Oxyura leucocephala (Scopoli, 1769) -- valid -- White-headed Duck, Érismature à tête blanche, Malvasía cabeciblanca, pato-rabo-alçado
  Oxyura maccoa (Eyton, 1838) -- valid -- Maccoa Duck, Érismature maccoa, Malvasía maccoa, marreca-macoa
  Oxyura vittata (Philippi, 1860) -- valid -- Lake Duck, Érismature ornée, Malvasía argentina, marreca-rabo-de-espinho
  Pachycare Gould, 1876 -- valid
  Pachycare flavogrisea (A. B. Meyer, 1874) -- invalid
  Pachycephala Vigors, 1825 -- valid
  Pachycephala albiventris (Ogilvie-Grant, 1894) -- valid -- Green-backed Whistler
  Pachycephala arctitorquis P. L. Sclater, 1883 -- valid -- Wallacean Whistler
  Pachycephala aurea Reichenow, 1899 -- valid -- Golden-backed Whistler
  Pachycephala caledonica (Gmelin, 1789) -- valid -- Melanesian Whistler
  Pachycephala flavifrons (Peale, 1848) -- valid -- Samoan Whistler
  Pachycephala griseiceps G. R. Gray, 1858 -- invalid
  Pachycephala griseonota G. R. Gray, 1862 -- valid -- Drab Whistler
  Pachycephala grisola (Blyth, 1843) -- invalid -- Mangrove Whistler
  Pachycephala homeyeri (W. Blasius, 1890) -- valid -- White-vented Whistler
  Pachycephala hyperythra Salvadori, 1876 -- valid -- Rusty Whistler
  Pachycephala hypoxantha (Sharpe, 1887) -- valid -- Bornean Whistler
  Pachycephala implicata Hartert, 1929 -- valid -- Hooded Whistler
  Pachycephala inornata Gould, 1841 -- valid -- Gilbert's Whistler
  Pachycephala jacquinoti Bonaparte, 1850 -- valid -- Tongan Whistler
  Pachycephala lanioides Gould, 1840 -- valid -- White-breasted Whistler
  Pachycephala leucogastra Salvadori & Albertis, 1875 -- valid
  Pachycephala lorentzi Mayr, 1931 -- valid -- Lorentz's Whistler
  Pachycephala melanura Gould, 1843 -- valid -- Mangrove Golden Whistler
  Pachycephala meyeri Salvadori, 1890 -- valid -- Vogelkop Whistler
  Pachycephala modesta (De Vis, 1894) -- valid -- Brown-backed Whistler
  Pachycephala monacha G. R. Gray, 1858 -- valid -- Black-headed Whistler
  Pachycephala nudigula Hartert, 1897 -- valid -- Bare-throated Whistler
  Pachycephala olivacea Vigors & Horsfield, 1827 -- valid -- Olive Whistler
  Pachycephala orpheus Jardine, 1849 -- valid -- Fawn-breasted Whistler
  Pachycephala pectoralis (Latham, 1802) -- valid -- Australian Golden Whistler
  Pachycephala phaionotus (Bonaparte, 1850) -- invalid
  Pachycephala philippinensis (Walden, 1872) -- valid -- Yellow-bellied Whistler
  Pachycephala rufiventris (Latham, 1802) -- valid -- Rufous Whistler
  Pachycephala rufogularis Gould, 1841 -- valid -- Red-lored Whistler
  Pachycephala schlegelii Schlegel, 1871 -- valid -- Regent Whistler
  Pachycephala simplex Gould, 1843 -- valid -- Grey Whistler
  Pachycephala soror P. L. Sclater, 1874 -- valid -- Sclater's Whistler
  Pachycephala sulfuriventer (Walden, 1872) -- valid -- Sulphur-vented Whistler
  Pachycephalopsis Salvadori, 1879 -- valid
  Pachycephalopsis hattamensis (A. B. Meyer, 1874) -- valid -- Green-backed Robin
  Pachycephalopsis poliosoma Sharpe, 1882 -- valid -- White-eyed Robin
  Pachycoccyx Cabanis, 1882 -- valid
  Pachycoccyx audeberti (Schlegel, 1879) -- valid -- Thick-billed Cuckoo
  Pachyphantes Shelley, 1896 -- invalid
  Pachyphantes superciliosus (Shelley, 1873) -- invalid
  Pachyptila Illiger, 1811 -- valid
  Pachyptila belcheri (Mathews, 1912) -- valid -- Slender-billed Prion
  Pachyptila crassirostris (Mathews, 1912) -- valid -- Fulmar Prion
  Pachyptila desolata (Gmelin, 1789) -- valid -- Antarctic Prion
  Pachyptila salvini (Mathews, 1912) -- valid -- Salvin's Prion
  Pachyptila turtur (Kuhl, 1820) -- valid -- Fairy Prion
  Pachyptila vittata (G. Forster, 1777) -- valid -- Broad-billed Prion
  Pachyramphus G. R. Gray, 1840 -- valid -- Becards
  Pachyramphus aglaiae (Lafresnaye, 1839) -- valid -- Rose-throated Becard, Mosquero-cabezón degollado
  Pachyramphus albogriseus P. L. Sclater, 1857 -- valid -- Black-and-white Becard
  Pachyramphus castaneus (Jardine & Selby, 1827) -- valid -- Chestnut-crowned Becard
  Pachyramphus cinnamomeus Lawrence, 1861 -- valid -- Cinnamon Becard
  Pachyramphus homochrous P. L. Sclater, 1859 -- valid -- One-colored Becard
  Pachyramphus major (Cabanis, 1847) -- valid -- Gray-collared Becard, Mosquero-cabezón mexicano, Grey-collared Becard
  Pachyramphus marginatus (Lichtenstein, 1823) -- valid -- Black-capped Becard
  Pachyramphus minor (Lesson, 1831) -- valid
  Pachyramphus niger (Gmelin, 1788) -- valid -- Jamaican Becard
  Pachyramphus polychopterus (Vieillot, 1818) -- valid -- White-winged Becard
  Pachyramphus rufus (Boddaert, 1783) -- valid -- Cinereous Becard
  Pachyramphus spodiurus P. L. Sclater, 1860 -- valid -- Slaty Becard
  Pachyramphus surinamus (Linnaeus, 1766) -- valid -- Glossy-backed Becard
  Pachyramphus validus (Lichtenstein, 1823) -- valid
  Pachyramphus versicolor (Hartlaub, 1843) -- valid -- Barred Becard
  Pachyramphus viridis (Vieillot, 1816) -- valid -- Green-backed Becard
  Padda Reichenbach, 1850 -- invalid
  Padda fuscata (Vieillot, 1807) -- invalid
  Padda oryzivora (Linnaeus, 1758) -- invalid -- Java Sparrow
  Pagodroma Bonaparte, 1856 -- valid
  Pagodroma confusa Mathews, 1912 -- invalid
  Pagodroma nivea (G. Forster, 1777) -- valid -- Snow Petrel
  Pagophila Kaup, 1829 -- valid
  Pagophila eburnea (Phipps, 1774) -- valid -- Ivory Gull, Mouette blanche, Gaviota marfileña, gaivota-marfim
  Palmeria Rothschild, 1893 -- valid -- Crested Honeycreepers
  Palmeria dolei (S. B. Wilson, 1891) -- valid -- 'Akohekohe, Crested Honeycreeper, Akohekohe
  Pandion Savigny, 1809 -- valid -- Ospreys
  Pandion haliaetus (Linnaeus, 1758) -- valid -- Gavilán pescador, Osprey, Balbuzard pêcheur, Western Osprey
  Panterpe Cabanis & Heine, 1860 -- valid
  Panterpe insignis Cabanis & Heine, 1860 -- valid -- Fiery-throated Hummingbird
  Panurus Koch, 1816 -- valid
  Panurus biarmicus (Linnaeus, 1758) -- valid -- Bearded Reedling
  Panyptila Cabanis, 1847 -- valid
  Panyptila cayennensis (J. F. Gmelin, 1789) -- valid -- Vencejo-tijereta menor, Lesser Swallow-tailed Swift
  Panyptila sanctihieronymi Salvin, 1863 -- valid -- Vencejo-tijereta mayor, Great Swallow-tailed Swift
  Papasula Olson & Warheit, 1988 -- valid
  Papasula abbotti (Ridgway, 1893) -- valid -- Abbott's Booby
  Parabuteo Ridgway, 1874 -- valid -- Harris' Hawks
  Parabuteo unicinctus (Temminck, 1824) -- valid -- Aguililla rojinegra, Harris' Hawk, Harris's Hawk, Buse de Harris
  Paradigalla Lesson, 1835 -- valid
  Paradigalla brevicauda Rothschild & Hartert, 1911 -- valid -- Short-tailed Paradigalla
  Paradigalla carunculata Lesson, 1835 -- valid -- Long-tailed Paradigalla
  Paradisaea Linnaeus, 1758 -- valid
  Paradisaea apoda Linnaeus, 1758 -- valid -- Greater Bird-of-Paradise
  Paradisaea decora Salvin & Godman, 1883 -- valid -- Goldie's Bird-of-Paradise
  Paradisaea guilielmi Cabanis, 1888 -- valid -- Emperor Bird-of-Paradise
  Paradisaea minor Shaw, 1809 -- valid -- Lesser Bird-of-Paradise
  Paradisaea raggiana P. L. Sclater, 1873 -- valid -- Raggiana Bird-of-Paradise
  Paradisaea rubra Daudin, 1800 -- valid -- Red Bird-of-Paradise
  Paradisaea rudolphi (Finsch & A. B. Meyer, 1885) -- valid -- Blue Bird-of-Paradise
  Paradoxornis Gould, 1836 -- valid
  Paradoxornis alphonsianus (J. Verreaux, 1870) -- invalid -- Ashy-throated Parrotbill
  Paradoxornis atrosuperciliaris (Godwin-Austen, 1877) -- invalid -- Lesser Rufous-headed Parrotbill
  Paradoxornis brunneus (Anderson, 1871) -- invalid -- Brown-winged Parrotbill
  Paradoxornis conspicillatus (David, 1871) -- invalid -- Spectacled Parrotbill
  Paradoxornis davidianus (Slater, 1897) -- invalid -- Short-tailed Parrotbill
  Paradoxornis flavirostris Gould, 1836 -- valid -- Black-breasted Parrotbill
  Paradoxornis fulvifrons (Hodgson, 1845) -- invalid -- Fulvous Parrotbill
  Paradoxornis gularis G. R. Gray, 1845 -- invalid -- Grey-headed Parrotbill
  Paradoxornis guttaticollis David, 1871 -- valid -- Spot-breasted Parrotbill
  Paradoxornis heudei David, 1872 -- valid -- Reed Parrotbill
  Paradoxornis nipalensis (Hodgson, 1837) -- invalid -- Black-throated Parrotbill
  Paradoxornis paradoxus (J. Verreaux, 1870) -- invalid -- Three-toed Parrotbill
  Paradoxornis przewalskii (Berezowski & Bianchi, 1891) -- invalid -- Przevalski's Parrotbill
  Paradoxornis ruficeps Blyth, 1842 -- invalid -- Greater Rufous-headed Parrotbill
  Paradoxornis unicolor (Hodgson, 1843) -- invalid -- Brown Parrotbill
  Paradoxornis verreauxi (Sharpe, 1883) -- invalid -- Golden Parrotbill
  Paradoxornis webbianus (Gould, 1852) -- invalid -- Vinous-throated Parrotbill
  Paradoxornis zappeyi (Thayer & Bangs, 1912) -- invalid -- Grey-hooded Parrotbill
  Paramythia De Vis, 1892 -- valid
  Paramythia montium De Vis, 1892 -- valid -- Crested Berrypecker
  Paramythiidae P. L. Sclater, 1893 -- valid
  Pardalotidae Strickland, 1842 -- valid
  Pardalotus Vieillot, 1816 -- valid
  Pardalotus punctatus (Shaw, 1792) -- valid -- Spotted Pardalote
  Pardalotus quadragintus Gould, 1838 -- valid -- Forty-spotted Pardalote
  Pardalotus rubricatus Gould, 1838 -- valid -- Red-browed Pardalote
  Pardalotus striatus (Gmelin, 1789) -- valid -- Striated Pardalote
  Pardirallus Bonaparte, 1856 -- valid -- Spotted Rails
  Pardirallus maculatus (Boddaert, 1783) -- valid -- Spotted Rail, Rascón pinto
  Pardirallus nigricans (Vieillot, 1819) -- valid -- Blackish Rail
  Pardirallus sanguinolentus (Swainson, 1838) -- valid -- Plumbeous Rail
  Paridae Vigors, 1825 -- valid -- Chickadees, Titmice, Tits
  Parkerthraustes Remsen, 1997 -- valid
  Parkerthraustes humeralis (Lawrence, 1867) -- valid -- Yellow-shouldered Grosbeak, Tangara de Parker, Picogrueso humeral, furriel-de-encontro
  Parmoptila Cassin, 1859 -- valid
  Parmoptila rubrifrons (Sharpe & Ussher, 1872) -- valid -- Red-fronted Antpecker
  Parmoptila woodhousei Cassin, 1859 -- valid -- Woodhouse's Antpecker
  Paroaria Bonaparte, 1832 -- valid -- Neotropical Cardinals
  Paroaria baeri Hellmayr, 1907 -- valid -- Crimson-fronted Cardinal, Paroare de Baer, Cardenilla frentirroja, cardeal-do-araguaia
  Paroaria capitata (d'Orbigny & Lafresnaye, 1837) -- valid -- Paroare à bec jaune, Cardenilla piquigualda, cavalaria, Yellow-billed Cardinal
  Paroaria coronata (J. F. Miller, 1776) -- valid -- Paroare huppé, Cardenilla crestada, cardeal, Red-crested Cardinal
  Paroaria dominicana (Linnaeus, 1758) -- valid -- Red-cowled Cardinal, Paroare dominicain, Cardenilla dominica, cardeal-do-nordeste
  Paroaria gularis (Linnaeus, 1766) -- valid -- Red-capped Cardinal, Paroare rougecap, Cardenilla capirroja, cardeal-da-amazônia
  Parophasma Reichenow, 1905 -- valid
  Parophasma galinieri (Guerin-Meneville, 1843) -- valid -- Abyssinian Catbird
  Paroreomyza Perkins, 1901 -- valid -- Paroreomyzine Creepers
  Paroreomyza flammea (S. B. Wilson, 1890) -- valid -- Kakawahie, Molokai Creeper
  Paroreomyza maculata (Cabanis, 1850) -- valid -- Alauwahio, Oahu Creeper, Oahu Alauahio
  Paroreomyza montana (S. B. Wilson, 1890) -- valid -- Maui Creeper, Maui Alauahio
  Parotia Vieillot, 1816 -- valid
  Parotia carolae A. B. Meyer, 1894 -- valid -- Carola's Parotia
  Parotia helenae De Vis, 1897 -- valid -- Eastern Parotia
  Parotia lawesii E. P. Ramsay, 1885 -- valid -- Lawes's Parotia
  Parotia sefilata (J. R. Forster, 1781) -- valid -- Western Parotia
  Parotia wahnesi Rothschild, 1906 -- valid -- Wahnes's Parotia
  Parula Bonaparte, 1838 -- invalid -- Parulas
  Parula americana (Linnaeus, 1758) -- invalid -- Parula norteña, Northern Parula, paruline à collier
  Parula gutturalis (Cabanis, 1861) -- invalid -- Flame-throated Warbler
  Parula pitiayumi (Vieillot, 1817) -- invalid -- Parula tropical, Tropical Parula
  Parula superciliosa (Hartlaub, 1844) -- invalid -- Parula ceja blanca, Crescent-chested Warbler
  Parus Linnaeus, 1758 -- valid -- Titmice, Tits
  Parus afer Gmelin, 1789 -- valid -- Grey Tit
  Parus albiventris Shelley, 1881 -- valid -- White-bellied Tit
  Parus bokharensis Lichtenstein, 1823 -- invalid
  Parus cinerascens Vieillot, 1818 -- valid -- Ashy Tit
  Parus fasciiventer Reichenow, 1893 -- valid -- Stripe-breasted Tit
  Parus fringillinus Fischer & Reichenow, 1884 -- valid -- Red-throated Tit
  Parus funereus (J. Verreaux & E. Verreaux, 1855) -- valid -- Dusky Tit
  Parus griseiventris Reichenow, 1882 -- valid -- Miombo Tit
  Parus guineensis Shelley, 1900 -- valid -- White-shouldered Black Tit
  Parus holsti Seebohm, 1894 -- valid -- Yellow Tit
  Parus leucomelas Rüppell, 1840 -- valid -- White-winged Black Tit
  Parus leuconotus Guerin-Meneville, 1843 -- valid -- White-backed Black Tit
  Parus major Linnaeus, 1758 -- valid -- Great Tit
  Parus monticolus Vigors, 1831 -- valid -- Green-backed Tit
  Parus niger Vieillot, 1818 -- valid -- Southern Black Tit
  Parus nuchalis Jerdon, 1845 -- valid -- White-naped Tit
  Parus pallidiventris Reichenow, 1885 -- valid -- Cinnamon-breasted Tit
  Parus rufiventris Bocage, 1877 -- valid -- Rufous-bellied Tit
  Parus spilonotus Bonaparte, 1850 -- valid -- Yellow-cheeked Tit
  Parus thruppi Shelley, 1885 -- valid -- Acacia Tit
  Parus xanthogenys Vigors, 1831 -- valid -- Black-lored Tit
  Passer Brisson, 1760 -- valid -- Old World Sparrows
  Passer ammodendri Gould, 1872 -- valid -- Saxaul Sparrow
  Passer castanopterus Blyth, 1855 -- valid -- Somali Sparrow
  Passer domesticus (Linnaeus, 1758) -- valid -- Gorrión casero, House Sparrow, moineau domestique
  Passer eminibey (Hartlaub, 1880) -- valid -- Chestnut Sparrow
  Passer euchlorus (Bonaparte, 1850) -- valid -- Arabian Golden Sparrow
  Passer flaveolus Blyth, 1845 -- valid -- Plain-backed Sparrow
  Passer gongonensis (Oustalet, 1890) -- valid -- Parrot-billed Sparrow
  Passer griseus (Vieillot, 1817) -- valid -- Northern Grey-headed Sparrow
  Passer hispaniolensis (Temminck, 1820) -- valid -- Spanish Sparrow
  Passer iagoensis (Gould, 1838) -- valid -- Iago Sparrow
  Passer insularis P. L. Sclater & Hartlaub, 1881 -- valid -- Socotra Sparrow
  Passer luteus (Lichtenstein, 1823) -- valid -- Sudan Golden Sparrow
  Passer melanurus (Statius Muller, 1776) -- valid -- Cape Sparrow
  Passer moabiticus Tristram, 1864 -- valid -- Dead Sea Sparrow
  Passer montanus (Linnaeus, 1758) -- valid -- Eurasian Sparrow, Eurasian Tree Sparrow
  Passer motitensis (A. Smith, 1836) -- valid -- Great Sparrow
  Passer pyrrhonotus Blyth, 1845 -- valid -- Jungle Sparrow
  Passer rufocinctus Fischer & Reichenow, 1884 -- valid -- Kenya Sparrow
  Passer rutilans (Temminck, 1836) -- valid -- Russet Sparrow
  Passer simplex (Lichtenstein, 1823) -- valid -- Desert Sparrow
  Passer swainsonii (Rüppell, 1840) -- valid -- Swainson's Sparrow
  Passerculus Bonaparte, 1838 -- valid -- Savannah Sparrows
  Passerculus rostratus (Cassin, 1852) -- invalid -- Large-billed Sparrow
  Passerculus sandwichensis (J. F. Gmelin, 1789) -- valid -- Chingolo sabanero, tico-tico-dos-prados, Savannah Sparrow, Gorrión sabanero, bruant des prés
  Passerculus sandwichensis rostratus (Cassin, 1852) -- valid -- Large-billed Sparrow
  Passerella Swainson, 1837 -- valid -- Fox Sparrows
  Passerella iliaca (Merrem, 1786) -- valid -- Chingolo zorruno, tico-tico-raposino, Red Fox-sparrow, Fox Sparrow, bruant fauve, Gorrión rascador, Red Fox Sparrow
  Passeridae Rafinesque, 1815 -- valid
  Passeriformes -- valid -- Perching Birds, passereaux
  Passerina Vieillot, 1816 -- valid -- Varied Buntings
  Passerina amoena (Say, 1822) -- valid -- Lazuli Bunting, Colorín lázuli
  Passerina ciris (Linnaeus, 1758) -- valid -- Colorín sietecolores, Painted Bunting
  Passerina cyanea (Linnaeus, 1766) -- valid -- Indigo Bunting, passerin indigo, Colorín azul
  Passerina leclancherii Lafresnaye, 1840 -- valid -- Colorín pecho naranja, Orange-breasted Bunting
  Passerina rositae (Lawrence, 1874) -- valid -- Colorín azulrosa, Rose-bellied Bunting
  Passerina versicolor (Bonaparte, 1838) -- valid -- Varied Bunting, Colorín morado
  Patagona G. R. Gray, 1840 -- valid
  Patagona gigas (Vieillot, 1824) -- valid -- Giant Hummingbird
  Pauxi Temminck, 1813 -- valid
  Pauxi pauxi (Linnaeus, 1766) -- valid -- Helmeted Curassow, Hocco à pierre, Paují de Yelmo, mutum-de-elmo, Northern Helmeted Curassow
  Pauxi unicornis J. Bond & Meyer de Schauensee, 1939 -- valid -- Horned Curassow, Hocco unicorne, Paují unicornio boliviano, mutum-unicórnio, Southern Helmeted Curassow
  Pavo Linnaeus, 1758 -- valid -- Peafowl
  Pavo cristatus Linnaeus, 1758 -- valid -- Paon bleu, Pavo real común, pavão-azul, Common Peafowl, Indian Peafowl
  Pavo muticus Linnaeus, 1766 -- valid -- Paon spicifère, Pavo real cuelliverde, pavão-verde, Green Peafowl
  Pedionomidae Bonaparte, 1856 -- valid -- Plains-wanderer
  Pedionomus Gould, 1840 -- valid
  Pedionomus torquatus Gould, 1840 -- valid -- Plains-wanderer, Pédionome errant, Llanero, errante-das-planícies
  Pelagodroma Reichenbach, 1853 -- valid -- White-faced Storm Petrel
  Pelagodroma marina (Latham, 1790) -- valid -- White-faced Storm Petrel, Océanite frégate, White-faced Storm-Petrel
  Pelargopsis Gloger, 1841 -- valid
  Pelargopsis amauropterus (J. T. Pearson, 1841) -- invalid
  Pelargopsis capensis (Linnaeus, 1766) -- valid -- Stork-billed Kingfisher, Alción picocigüeña, Martin-chasseur gurial
  Pelargopsis melanorhyncha (Temminck, 1826) -- valid -- Great-billed Kingfisher, Alción piquinegro, Martin-chasseur à bec noir, Black-billed Kingfisher
  Pelecanidae Rafinesque, 1815 -- valid -- Pelicans
  Pelecanoides Lacepede, 1799 -- valid
  Pelecanoides garnotii (Lesson, 1828) -- valid -- Peruvian Diving Petrel
  Pelecanoides georgicus Murphy & Harper, 1916 -- valid -- South Georgia Diving Petrel
  Pelecanoides magellani (Mathews, 1912) -- valid -- Magellanic Diving Petrel
  Pelecanoides urinatrix (Gmelin, 1789) -- valid -- Common Diving Petrel
  Pelecanus Linnaeus, 1758 -- valid -- Pelicans
  Pelecanus conspicillatus Temminck, 1824 -- valid -- Australian Pelican
  Pelecanus crispus Bruch, 1832 -- valid -- Dalmatian Pelican
  Pelecanus erythrorhynchos Gmelin, 1789 -- valid -- Pelícano blanco, American White Pelican, Pélican d'Amérique
  Pelecanus occidentalis Linnaeus, 1766 -- valid -- Pelícano pardo, Brown Pelican, Pélican brun
  Pelecanus onocrotalus Linnaeus, 1758 -- valid -- Great White Pelican
  Pelecanus philippensis Gmelin, 1789 -- valid -- Spot-billed Pelican
  Pelecanus rufescens Gmelin, 1789 -- valid -- Pink-backed Pelican
  Pelecanus thagus Molina, 1782 -- valid -- Peruvian Pelican
  Peliperdix Bonaparte, 1856 -- valid
  Peliperdix albogularis (Hartlaub, 1854) -- invalid -- Francolin à gorge blanche, Francolín gorjiblanco, francolim-de-garganta-branca, White-throated Francolin
  Peliperdix coqui (A. Smith, 1836) -- invalid -- Francolin coqui, Francolín coqui, francolim-das-pedras
  Peliperdix lathami (Hartlaub, 1854) -- valid -- Latham's Francolin, Francolin de Latham, Francolín cariblanco, francolim-de-cara-branca, Forest Francolin, Latham's Forest Francolin
  Peliperdix schlegelii (Heuglin, 1863) -- invalid -- Francolin de Schlegel, Francolín de Schlegel, francolim-de-papo-amarelo, Schlegel's Francolin
  Peliperdix sephaena (A. Smith, 1836) -- invalid
  Pellorneum Swainson, 1832 -- valid
  Pellorneum albiventre (Godwin-Austen, 1877) -- valid -- Spot-throated Babbler
  Pellorneum capistratum (Temminck, 1823) -- valid -- Black-capped Babbler
  Pellorneum fuscocapillum (Blyth, 1849) -- invalid
  Pellorneum palustre Gould, 1872 -- valid -- Marsh Babbler
  Pellorneum pyrrogenys (Temminck, 1827) -- valid -- Temminck's Babbler
  Pellorneum ruficeps Swainson, 1832 -- valid -- Puff-throated Babbler
  Pellorneum tickelli Blyth, 1859 -- valid -- Buff-breasted Babbler
  Peltohyas Sharpe, 1896 -- valid
  Peltohyas australis (Gould, 1841) -- valid -- Inland Dotterel, Pluvier australien, Chorlito australiano, batuíra-do-interior
  Peltops Wagler, 1829 -- valid
  Peltops blainvillii (Lesson & Garnot, 1827) -- valid -- Clicking Shieldbill
  Peltops montanus Stresemann, 1921 -- valid -- Tinkling Shieldbill
  Penelope Merrem, 1786 -- valid
  Penelope albipennis Taczanowski, 1878 -- valid -- Pénélope à ailes blanches, Pava aliblanca, jacu-de-asas-brancas, White-winged Guan
  Penelope argyrotis (Bonaparte, 1856) -- valid -- Pénélope à queue barrée, Pava camata, jacu-de-rabo-barrado, Band-tailed Guan
  Penelope barbata Chapman, 1921 -- valid -- Pénélope barbue, Pava barbuda, jacu-barbudo, Bearded Guan
  Penelope dabbenei Hellmayr & Conover, 1942 -- valid -- Pénélope de Dabbene, Pava carirroja, jacu-de-cara-vermelha, Red-faced Guan
  Penelope jacquacu Spix, 1825 -- valid -- Pénélope de Spix, Pava amazónica, jacu-de-spix, Spix's Guan
  Penelope jacucaca Spix, 1825 -- valid -- Pénélope à front blanc, Pava yacucaca, jacucaca, White-browed Guan
  Penelope marail (P. L. S. Müller, 1776) -- valid -- Pénélope marail, Pava marail, jacumirim, Marail Guan
  Penelope montagnii (Bonaparte, 1856) -- valid -- Pénélope des Andes, Pava andina, jacu-andino, Andean Guan
  Penelope obscura Temminck, 1815 -- valid -- Pénélope yacouhou, Pava oscura, jacuguaçu, Dusky-legged Guan
  Penelope ochrogaster Pelzeln, 1870 -- valid -- Pénélope à ventre roux, Pava ventrirrufa, jacu-de-barriga-castanha, Chestnut-bellied Guan
  Penelope ortoni Salvin, 1874 -- valid -- Pénélope d'Orton, Pava de Orton, jacu-de-orton, Baudo Guan
  Penelope perspicax Bangs, 1911 -- valid -- Pénélope de Cauca, Pava del Cauca, jacu-do-cauca, Cauca Guan
  Penelope pileata Wagler, 1830 -- valid -- Pénélope à poitrine rousse, Pava crestiblanca, jacupiranga, White-crested Guan
  Penelope purpurascens Wagler, 1830 -- valid -- Pénélope panachée, jacu-de-crista, Crested Guan, Pava cojolita
  Penelope superciliaris Temminck, 1815 -- valid -- Pénélope péoa, Pava yacupemba, jacupemba, Rusty-margined Guan
  Penelopides Reichenbach, 1849 -- valid
  Penelopides affinis Tweeddale, 1877 -- valid -- Mindanao Hornbill, Cálao chico de Mindanao, Calao de Mindanao
  Penelopides exarhatus (Temminck, 1823) -- invalid -- Sulawesi Hornbill
  Penelopides manillae (Boddaert, 1783) -- valid -- Luzon Hornbill, calau-das-filipinas, Cálao chico de Luzón, Calao de Manille
  Penelopides mindorensis Steere, 1890 -- valid -- Mindoro Hornbill, Cálao chico de Mindoro, Calao de Mindoro
  Penelopides panini (Boddaert, 1783) -- valid -- Tarictic Hornbill, Visayan Hornbill, Cálao chico de Panay, Calao tarictic
  Penelopides samarensis Steere, 1890 -- valid -- Samar Hornbill, Calao de Samar
  Penelopina Reichenbach, 1861 -- valid
  Penelopina nigra (Fraser, 1852) -- valid -- Pénélope pajuil, Pava pajuil, jacu-do-planalto, Highland Guan, Pajuil
  Peneothello Mathews, 1920 -- valid
  Peneothello bimaculatus (Salvadori, 1874) -- invalid
  Peneothello cryptoleucus (Hartert, 1930) -- invalid
  Peneothello cyanus (Salvadori, 1874) -- valid -- Slaty Robin
  Peneothello sigillatus (De Vis, 1890) -- invalid
  Percnostola Cabanis & Heine, 1859 -- valid
  Percnostola caurensis (Hellmayr, 1906) -- invalid
  Percnostola leucostigma Pelzeln, 1868 -- invalid
  Percnostola lophotes Hellmayr & Seilern, 1914 -- valid -- White-lined Antbird
  Percnostola rufifrons (Gmelin, 1789) -- valid -- Black-headed Antbird
  Percnostola schistacea (P. L. Sclater, 1858) -- invalid
  Perdicula Hodgson, 1837 -- valid
  Perdicula argoondah (Sykes, 1832) -- valid -- Perdicule argoondah, Perdicilla argundá, codorna-mateira-das-rochas, Rock Bush-Quail, Rock Bush Quail
  Perdicula asiatica (Latham, 1790) -- valid -- Perdicule rousse-gorge, Perdicilla golirroja, codorna-mateira-de-papo-vermelho, Jungle Bush-Quail, Jungle Bush Quail
  Perdicula erythrorhyncha (Sykes, 1832) -- valid -- Perdicule à bec rouge, Perdicilla piquirroja, codorna-mateira-de-bico-vermelho, Painted Bush-Quail, Painted Bush Quail
  Perdicula manipurensis Hume, 1881 -- valid -- Perdicule du Manipur, Perdicilla de Manipur, codorna-mateira-cinzenta, Manipur Bush-Quail, Manipur Bush Quail
  Perdix Brisson, 1760 -- valid -- Gray Partridges
  Perdix dauurica (Pallas, 1811) -- valid -- Perdrix de Daourie, Perdiz dáurica, charrela-dáurica, Daurian Partridge
  Perdix hodgsoniae (Hodgson, 1856) -- valid -- Perdrix de Hodgson, Perdiz tibetana, perdiz-tibetana, Tibetan Partridge
  Perdix perdix (Linnaeus, 1758) -- valid -- Perdiz pardilla, charrela, Gray Partridge, perdrix grise, Grey Partridge
  Pericrocotus F. Boie, 1826 -- valid
  Pericrocotus brevirostris (Vigors, 1831) -- valid -- Short-billed Minivet
  Pericrocotus cantonensis Swinhoe & P. L. Sclater, 1861 -- valid -- Swinhoe's Minivet
  Pericrocotus cinnamomeus (Linnaeus, 1766) -- valid -- Small Minivet
  Pericrocotus divaricatus (Raffles, 1822) -- valid -- Ashy Minivet
  Pericrocotus erythropygius (Jerdon, 1840) -- valid -- White-bellied Minivet
  Pericrocotus ethologus Bangs & J. C. Phillips, 1914 -- valid -- Long-tailed Minivet
  Pericrocotus flammeus (J. R. Forster, 1781) -- valid -- Scarlet Minivet
  Pericrocotus igneus Blyth, 1846 -- valid -- Fiery Minivet
  Pericrocotus lansbergei Büttikofer, 1886 -- valid -- Little Minivet
  Pericrocotus miniatus (Temminck, 1822) -- valid -- Sunda Minivet
  Pericrocotus roseus (Vieillot, 1818) -- valid -- Rosy Minivet
  Pericrocotus solaris Blyth, 1846 -- valid -- Grey-chinned Minivet
  Pericrocotus tegimae Stejneger, 1887 -- valid -- Ryukyu Minivet
  Periparus Selys-Longchamps, 1884 -- valid
  Periparus amabilis (Sharpe, 1877) -- valid -- Palawan Tit
  Periparus ater (Linnaeus, 1758) -- valid -- Coal Tit
  Periparus elegans (Lesson, 1831) -- valid -- Elegant Tit
  Periparus melanolophus (Vigors, 1831) -- invalid -- Spot-winged Tit
  Periparus rubidiventris (Blyth, 1847) -- valid -- Rufous-vented Tit
  Periparus rufonuchalis (Blyth, 1849) -- valid -- Rufous-naped Tit
  Periparus venustulus (Swinhoe, 1870) -- valid -- Yellow-bellied Tit
  Periporphyrus Reichenbach, 1850 -- valid
  Periporphyrus erythromelas (J. F. Gmelin, 1789) -- valid -- Red-and-black Grosbeak
  Perisoreus Bonaparte, 1831 -- valid -- Gray Jays
  Perisoreus canadensis (Linnaeus, 1766) -- valid -- Gray Jay, mésangeai du Canada, Grey Jay
  Perisoreus infaustus (Linnaeus, 1758) -- valid -- Siberian Jay
  Perisoreus internigrans (Thayer & Bangs, 1912) -- valid -- Sichuan Jay
  Perissocephalus Oberholser, 1899 -- valid
  Perissocephalus tricolor (Statius Muller, 1776) -- valid -- Capuchinbird
  Pernis Cuvier, 1816 -- valid
  Pernis apivorus (Linnaeus, 1758) -- valid -- European Honey Buzzard
  Pernis celebensis Wallace, 1868 -- valid -- Barred Honey Buzzard
  Pernis ptilorhyncus (Temminck, 1821) -- invalid
  Petrochelidon Cabanis, 1850 -- valid
  Petrochelidon fulva (Vieillot, 1808) -- valid -- Cave Swallow
  Petrochelidon pyrrhonota (Vieillot, 1817) -- valid -- Cliff Swallow, hirondelle à front blanc, American Cliff Swallow
  Petroica Swainson, 1829 -- valid
  Petroica archboldi Rand, 1940 -- valid -- Snow Mountains Robin
  Petroica australis (Sparrman, 1788) -- valid -- New Zealand Robin
  Petroica bivittata De Vis, 1897 -- valid -- Cloud-forest Robin
  Petroica goodenovii (Vigors & Horsfield, 1827) -- valid -- Red-capped Robin
  Petroica macrocephala (Gmelin, 1789) -- valid -- Tomtit
  Petroica multicolor (Gmelin, 1789) -- valid -- Pacific Robin
  Petroica phoenicea Gould, 1837 -- valid -- Flame Robin
  Petroica rodinogaster (Drapiez, 1819) -- valid -- Pink Robin
  Petroica rosea Gould, 1840 -- valid -- Rose Robin
  Petroica traversi (Buller, 1872) -- valid -- Black Robin, Chatham Island Robin
  Petroicidae Mathews, 1920 -- valid
  Petronia Kaup, 1829 -- valid
  Petronia dentata (Sundevall, 1850) -- invalid
  Petronia petronia (Linnaeus, 1766) -- valid -- Rock Sparrow
  Petronia pyrgita (Heuglin, 1862) -- invalid
  Petronia superciliaris (Blyth, 1845) -- invalid
  Petronia xanthocollis (Burton, 1838) -- invalid
  Petrophassa Gould, 1841 -- valid
  Petrophassa albipennis Gould, 1841 -- valid -- White-quilled Rock Pigeon
  Petrophassa rufipennis Collett, 1898 -- valid -- Chestnut-quilled Rock Pigeon
  Peucedramus Coues, 1875 -- valid -- Olive Warblers
  Peucedramus taeniatus (Du Bus de Gisignies, 1847) -- valid -- Olive Warbler, Ocotero enmascarado
  Pezopetes Cabanis, 1861 -- valid
  Pezopetes capitalis Cabanis, 1861 -- valid -- Large-footed Finch, Tohi à grands pieds, Cerquero patigrande
  Pezophaps Strickland, 1848 -- valid
  Pezophaps solitaria (J. F. Gmelin, 1789) -- valid -- Rodrigues Solitaire
  Pezoporus Illiger, 1811 -- valid
  Pezoporus wallicus (Kerr, 1792) -- valid -- Ground Parrot, Eastern Ground Parrot, Perruche terrestre, Perico terrestre, arara-de-cabeça-azul
  Phacellodomus Reichenbach, 1853 -- valid
  Phacellodomus dorsalis Salvin, 1895 -- valid -- Chestnut-backed Thornbird
  Phacellodomus erythrophthalmus (Wied-Neuwied, 1821) -- valid -- Orange-eyed Thornbird
  Phacellodomus ruber (Vieillot, 1817) -- valid -- Greater Thornbird
  Phacellodomus rufifrons (Wied-Neuwied, 1821) -- valid -- Rufous-fronted Thornbird
  Phacellodomus sibilatrix P. L. Sclater, 1879 -- valid -- Little Thornbird
  Phacellodomus striaticeps (Orbigny & Lafresnaye, 1838) -- valid -- Streak-fronted Thornbird
  Phacellodomus striaticollis (Orbigny & Lafresnaye, 1838) -- valid -- Freckle-breasted Thornbird
  Phaenicophaeus Stephens, 1815 -- valid
  Phaenicophaeus calyorhynchus Temminck, 1825 -- invalid
  Phaenicophaeus chlorophaeus (Raffles, 1822) -- invalid
  Phaenicophaeus cumingi Fraser, 1839 -- invalid
  Phaenicophaeus curvirostris (Shaw, 1810) -- invalid
  Phaenicophaeus diardi (Lesson, 1830) -- invalid
  Phaenicophaeus javanicus Horsfield, 1821 -- invalid
  Phaenicophaeus leschenaultii (Lesson, 1830) -- invalid
  Phaenicophaeus pyrrhocephalus (Pennant, 1769) -- valid -- Red-faced Malkoha
  Phaenicophaeus sumatranus (Raffles, 1822) -- invalid
  Phaenicophaeus superciliosus Dumont, 1823 -- invalid
  Phaenicophaeus tristis (Lesson, 1830) -- invalid
  Phaenicophaeus viridirostris (Jerdon, 1840) -- invalid
  Phaenicophilus Strickland, 1851 -- valid
  Phaenicophilus palmarum (Linnaeus, 1766) -- valid -- Black-crowned Tanager, Black-crowned Palm-Tanager, Katje à couronne noire, Cuatroojos coroninegro, Black-crowned Warbler Tanager, Black-crowned Palm-tanager
  Phaenicophilus poliocephalus (Bonaparte, 1851) -- valid -- Grey-crowned Tanager, Gray-crowned Palm-Tanager, Katje à couronne grise, Cuatroojos coronigrís, Grey-crowned Warbler Tanager, Grey-crowned Palm-tanager
  Phaenostictus Ridgway, 1909 -- valid
  Phaenostictus mcleannani (Lawrence, 1860) -- valid -- Ocellated Antbird
  Phaeochroa Gould, 1861 -- valid
  Phaeochroa cuvierii (Delattre & Bourcier, 1846) -- valid -- Fandanguero pecho escamoso, Scaly-breasted Hummingbird
  Phaeochroa cuvierii berlepschi Hellmayr, 1915 -- valid
  Phaeomyias Berlepsch, 1902 -- valid
  Phaeomyias murina (Spix, 1825) -- valid -- Mouse-colored Tyrannulet
  Phaethon Linnaeus, 1758 -- valid -- Tropicbirds
  Phaethon aethereus Linnaeus, 1758 -- valid -- Rabijunco pico rojo, Phaéton à bec rouge, Red-billed Tropicbird
  Phaethon lepturus Daudin, 1802 -- valid -- Rabijunco cola blanca, Phaéton à bec jaune, White-tailed Tropicbird
  Phaethon rubricauda Boddaert, 1783 -- valid -- Rabijunco cola roja, Phaéton à brins rouges, Red-tailed Tropicbird
  Phaethontidae J. F. von Brandt, 1840 -- valid -- Tropicbirds
  Phaethornis Swainson, 1827 -- valid
  Phaethornis anthophilus (Bourcier, 1843) -- valid -- Pale-bellied Hermit
  Phaethornis augusti (Bourcier, 1847) -- valid -- Sooty-capped Hermit
  Phaethornis bourcieri (R. Lesson, 1832) -- valid -- Straight-billed Hermit
  Phaethornis eurynome (R. Lesson, 1832) -- valid -- Scale-throated Hermit
  Phaethornis gounellei Boucard, 1891 -- invalid
  Phaethornis griseogularis Gould, 1851 -- valid -- Gray-chinned Hermit, Grey-chinned Hermit
  Phaethornis guy (R. Lesson, 1833) -- valid -- Green Hermit
  Phaethornis hispidus (Gould, 1846) -- valid -- White-bearded Hermit
  Phaethornis idaliae (Bourcier & Mulsant, 1856) -- valid -- Minute Hermit
  Phaethornis koepckeae Weske & Terborgh, 1977 -- valid -- Koepcke's Hermit
  Phaethornis longuemareus (R. Lesson, 1832) -- valid -- Little Hermit, Ermitaño enano
  Phaethornis malaris (Nordmann, 1835) -- valid -- Great-billed Hermit
  Phaethornis nattereri von Berlepsch, 1887 -- valid -- Cinnamon-throated Hermit
  Phaethornis philippii (Bourcier, 1847) -- valid -- Needle-billed Hermit
  Phaethornis pretrei (R. Lesson & Delattre, 1839) -- valid -- Planalto Hermit
  Phaethornis ruber (Linnaeus, 1758) -- valid -- Reddish Hermit
  Phaethornis squalidus (Temminck, 1822) -- valid -- Dusky-throated Hermit
  Phaethornis stuarti Hartert, 1897 -- valid -- White-browed Hermit
  Phaethornis subochraceus Todd, 1915 -- valid -- Buff-bellied Hermit
  Phaethornis superciliosus (Linnaeus, 1766) -- valid -- Eastern Long-tailed Hermit, Ermitaño cola larga, Long-tailed Hermit
  Phaethornis syrmatophorus Gould, 1852 -- valid -- Tawny-bellied Hermit
  Phaethornis yaruqui (Bourcier, 1851) -- valid -- White-whiskered Hermit
  Phaetusa Wagler, 1832 -- valid
  Phaetusa simplex (J. F. Gmelin, 1789) -- valid -- Large-billed Tern, Sterne à gros bec, Charrán picudo, trinta-réis-grande
  Phainopepla S. F. Baird, 1858 -- valid -- Phainopeplas
  Phainopepla nitens (Swainson, 1838) -- valid -- Phainopepla, Capulinero negro
  Phainoptila Salvin, 1877 -- valid
  Phainoptila melanoxantha Salvin, 1877 -- valid -- Black-and-yellow Silky-flycatcher, Black-and-yellow Phainoptila
  Phalacrocoracidae Reichenbach, 1849 -- valid -- Cormorants, Shags
  Phalacrocorax Brisson, 1760 -- valid -- Cormorants
  Phalacrocorax africanus (Gmelin, 1789) -- invalid -- Reed Cormorant
  Phalacrocorax aristotelis (Linnaeus, 1761) -- valid -- European Shag
  Phalacrocorax atriceps King, 1828 -- invalid
  Phalacrocorax auritus (Lesson, 1831) -- valid -- Cormorán orejudo, Double-crested Cormorant, Cormoran à aigrettes
  Phalacrocorax bougainvillii (Lesson, 1837) -- invalid
  Phalacrocorax bransfieldensis Murphy, 1936 -- invalid
  Phalacrocorax brasilianus (Gmelin, 1789) -- valid -- Cormorán oliváceo, Neotropic Cormorant, Cormoran vigua
  Phalacrocorax campbelli (Filhol, 1878) -- invalid
  Phalacrocorax capensis (Sparrman, 1788) -- valid -- Cape Cormorant
  Phalacrocorax capillatus (Temminck & Schlegel, 1849) -- valid -- Japanese Cormorant
  Phalacrocorax carbo (Linnaeus, 1758) -- valid -- Great Cormorant, Grand Cormoran
  Phalacrocorax carunculatus (Gmelin, 1789) -- invalid
  Phalacrocorax chalconotus (G. R. Gray, 1845) -- invalid
  Phalacrocorax colensoi Buller, 1888 -- invalid
  Phalacrocorax coronatus (Wahlberg, 1855) -- invalid -- Crowned Cormorant
  Phalacrocorax featherstoni Buller, 1873 -- valid -- Pitt Shag
  Phalacrocorax fuscescens (Vieillot, 1817) -- valid -- Black-faced Cormorant
  Phalacrocorax fuscicollis Stephens, 1826 -- valid -- Indian Cormorant
  Phalacrocorax gaimardi (Lesson & Garnot, 1828) -- valid -- Red-legged Cormorant
  Phalacrocorax georgianus Lonnberg, 1906 -- invalid
  Phalacrocorax harrisi Rothschild, 1898 -- valid -- Flightless Cormorant
  Phalacrocorax magellanicus (Gmelin, 1789) -- valid -- Rock Shag
  Phalacrocorax melanoleucos (Vieillot, 1817) -- invalid -- Little Pied Cormorant
  Phalacrocorax neglectus (Wahlberg, 1855) -- valid -- Bank Cormorant
  Phalacrocorax niger (Vieillot, 1817) -- invalid -- Little Cormorant
  Phalacrocorax nigrogularis Ogilvie-Grant & H. O. Forbes, 1899 -- valid -- Socotra Cormorant
  Phalacrocorax onslowi H. O. Forbes, 1893 -- invalid
  Phalacrocorax pelagicus Pallas, 1811 -- valid -- Pelagic Cormorant, Cormorán pelágico, Cormoran pélagique
  Phalacrocorax penicillatus (Brandt, 1837) -- valid -- Brandt's Cormorant, Cormorán de Brandt, Cormoran de Brandt
  Phalacrocorax perspicillatus Pallas, 1811 -- valid
  Phalacrocorax punctatus (Sparrman, 1786) -- valid -- Spotted Shag
  Phalacrocorax pygmeus (Pallas, 1773) -- invalid -- Pygmy Cormorant
  Phalacrocorax ranfurlyi Ogilvie-Grant, 1901 -- invalid
  Phalacrocorax sulcirostris (Brandt, 1837) -- valid -- Little Black Cormorant
  Phalacrocorax urile (Gmelin, 1789) -- valid -- Red-faced Cormorant, Cormoran à face rouge
  Phalacrocorax varius (Gmelin, 1789) -- valid -- Australian Pied Cormorant
  Phalacrocorax verrucosus (Cabanis, 1875) -- invalid
  Phalaenoptilus Ridgway, 1880 -- valid -- Poorwills
  Phalaenoptilus nuttallii (Audubon, 1844) -- valid -- Tapacamino tevíi, Common Poorwill
  Phalaropus Brisson, 1760 -- valid -- Phalaropes
  Phalaropus fulicaria (Linnaeus, 1758) -- invalid -- Falaropo pico grueso, Red Phalarope, phalarope à bec large
  Phalaropus lobatus (Linnaeus, 1758) -- valid -- Red-necked Phalarope, Falaropo cuello rojo, Phalarope à bec étroit, Falaropo picofino, falaropo-de-bico-fino
  Phalcoboenus d'Orbigny, 1834 -- valid
  Phalcoboenus albogularis (Gould, 1837) -- valid -- White-throated Caracara, Caracara à gorge blanche, Caracara araucano, carcará-araucano
  Phalcoboenus australis (J. F. Gmelin, 1788) -- valid -- Striated Caracara, Caracara austral, Caracara austral, carcará-austral
  Phalcoboenus carunculatus Des Murs, 1853 -- valid -- Carunculated Caracara, Caracara caronculé, Caracara carunculado, carcará-carunculado
  Phalcoboenus megalopterus (Meyen, 1834) -- valid -- Mountain Caracara, Caracara montagnard, Caracara andino, carcará-andino
  Phapitreron Bonaparte, 1854 -- valid
  Phapitreron amethystina Bonaparte, 1855 -- invalid
  Phapitreron cinereiceps (Bourns & Worcester, 1894) -- valid -- Dark-eared Brown Dove, Tawitawi Brown Dove
  Phapitreron leucotis (Temminck, 1823) -- valid -- White-eared Brown Dove
  Phaps Selby, 1835 -- valid
  Phaps chalcoptera (Latham, 1790) -- valid -- Common Bronzewing
  Phaps elegans (Temminck, 1809) -- valid -- Brush Bronzewing
  Phaps histrionica (Gould, 1841) -- valid -- Flock Bronzewing
  Pharomachrus La Llave, 1832 -- valid -- quetzals
  Pharomachrus antisianus (d'Orbigny, 1837) -- valid -- Crested Quetzal, quetzal-de-crista, Quetzal crestado, Quetzal antisien
  Pharomachrus auriceps (Gould, 1842) -- valid -- Golden-headed Quetzal, quetzal-de-cabeça-dourada, Quetzal cabecidorado, Quetzal doré
  Pharomachrus fulgidus (Gould, 1838) -- valid -- White-tipped Quetzal, quetzal-de-pontas-brancas, Quetzal fúlgido, Quetzal brillant
  Pharomachrus mocinno La Llave, 1832 -- valid -- Resplendent Quetzal, Quetzal mesoamericano, quetzal-resplandecente, Quetzal guatemalteco, Quetzal resplendissant
  Pharomachrus pavoninus (Spix, 1824) -- valid -- Pavonine Quetzal, quetzal-pavão, Quetzal pavonino, Quetzal pavonin
  Phasianidae -- valid -- Partridges, Turkeys, Grouse, Pheasants, Quail, cailles, faisans
  Phasianus Linnaeus, 1758 -- valid -- Pheasants
  Phasianus colchicus Linnaeus, 1758 -- valid -- Faisan de Colchide, Faisán vulgar, faisão, Common Pheasant, Ring-necked Pheasant, faisan de chasse, Faisán de collar
  Phedina Bonaparte, 1855 -- valid
  Phedina borbonica (Gmelin, 1789) -- valid -- Mascarene Martin
  Phedina brazzae Oustalet, 1886 -- valid -- Brazza's Martin
  Phegornis G. R. Gray, 1847 -- valid
  Phegornis mitchellii (Fraser, 1845) -- valid -- Diademed Plover, Diademed Sandpiper-Plover, Pluvier des Andes, Chorlitejo cordillerano, batuíra-de-diadema
  Phelpsia W. Lanyon, 1984 -- valid
  Phelpsia inornata (Lawrence, 1869) -- valid -- White-bearded Flycatcher
  Pheucticus Reichenbach, 1850 -- valid -- Cardinal-Grosbeaks
  Pheucticus aureoventris (d'Orbigny & Lafresnaye, 1837) -- valid -- Black-backed Grosbeak
  Pheucticus chrysogaster (Lesson, 1832) -- valid -- Southern Yellow Grosbeak, Golden Grosbeak
  Pheucticus chrysopeplus (Vigors, 1832) -- valid -- Picogordo amarillo, Mexican Yellow Grosbeak, Yellow Grosbeak
  Pheucticus ludovicianus (Linnaeus, 1766) -- valid -- Picogordo pecho rosa, Rose-breasted Grosbeak, cardinal à poitrine rose
  Pheucticus melanocephalus (Swainson, 1827) -- valid -- Black-headed Grosbeak, Picogordo tigrillo
  Pheucticus tibialis Lawrence, 1867 -- valid -- Black-thighed Grosbeak
  Phibalura Vieillot, 1816 -- valid
  Phibalura flavirostris Vieillot, 1816 -- valid -- Swallow-tailed Cotinga
  Phigys G. R. Gray, 1870 -- invalid
  Phigys solitarius (Suckow, 1800) -- invalid -- Collared Lory, Lori des Fidji, Lori solitario, lóris-solitário
  Philemon Vieillot, 1816 -- valid
  Philemon albitorques P. L. Sclater, 1877 -- valid -- White-naped Friarbird, Manus Friarbird, Polochion à nuque blanche, Filemón nuquiblanco
  Philemon argenticeps (Gould, 1840) -- valid -- Silver-crowned Friarbird, Polochion couronné, Filemón coronado
  Philemon brassi Rand, 1940 -- valid -- Brass's Friarbird, Polochion de Brass, Filemón de Brass
  Philemon buceroides (Swainson, 1838) -- valid -- Helmeted Friarbird, Polochion casqué, Filemón de yelmo
  Philemon citreogularis (Gould, 1837) -- valid -- Little Friarbird, Polochion à menton jaune, Filemón goligualdo
  Philemon cockerelli P. L. Sclater, 1877 -- valid -- New Britain Friarbird, Polochion de Nouvelle-Bretagne, Filemón de Nueva Bretaña
  Philemon corniculatus (Latham, 1790) -- valid -- Noisy Friarbird, Polochion criard, Filemón chillón
  Philemon diemenensis (R. Lesson, 1831) -- valid -- New Caledonian Friarbird, Polochion moine, Filemón de Nueva Caledonia
  Philemon eichhorni Rothschild & E. Hartert, 1924 -- valid -- New Ireland Friarbird, Polochion de Nouvelle-Irlande, Filemón de Nueva Irlanda
  Philemon fuscicapillus (Wallace, 1862) -- valid -- Dusky Friarbird, Polochion sombre, Filemón sombrío, Morotai Friarbird
  Philemon inornatus (G. R. Gray, 1846) -- valid -- Timor Friarbird, Polochion sobre, Filemón de Timor
  Philemon kisserensis A. B. Meyer, 1884 -- valid -- Grey Friarbird, Polochion de Kisar, Filemón de Kisar, Gray Friarbird
  Philemon meyeri Salvadori, 1878 -- valid -- Meyer's Friarbird, Polochion de Meyer, Filemón de Meyer
  Philemon moluccensis (J. F. Gmelin, 1788) -- valid -- Black-faced Friarbird, Polochion des Moluques, Filemón moluqueño, Buru Friarbird
  Philemon novaeguineae (S. Müller, 1842) -- valid -- New Guinea Friarbird, Polochion de Nouvelle-Guinée, Filemón de Nueva Guinea
  Philemon subcorniculatus (Hombron & Jacquinot, 1841) -- valid -- Seram Friarbird, Grey-necked Friarbird, Polochion de Céram, Filemón de Seram
  Philentoma Eyton, 1845 -- valid
  Philentoma pyrhopterum (Temminck, 1836) -- invalid
  Philentoma velatum (Temminck, 1825) -- invalid
  Philepitta I. Geoffroy Saint-Hilaire, 1838 -- valid
  Philepitta castanea (Statius Muller, 1776) -- valid -- Velvet Asity
  Philepitta schlegeli Schlegel, 1867 -- valid -- Schlegel's Asity
  Philepittidae -- valid
  Philesturnus I. Geoffroy Saint-Hilaire, 1832 -- valid
  Philesturnus carunculatus (Gmelin, 1789) -- valid -- Saddleback
  Philetairus A. Smith, 1837 -- valid
  Philetairus socius (Latham, 1790) -- valid -- Sociable Weaver
  Philodice Mulsant & J. Verreaux, 1866 -- invalid
  Philohydor Lanyon, 1984 -- invalid
  Philohydor lictor (Lichtenstein, 1823) -- invalid
  Philomachus Merrem, 1804 -- invalid -- Ruffs
  Philomachus pugnax (Linnaeus, 1758) -- invalid -- Ruff, combatant varié, Combattant varié
  Philortyx Gould, 1846 -- valid
  Philortyx fasciatus (Gould, 1844) -- valid -- Colin barré, Colín bandeado, colim-barrado, Banded Quail, Codorniz rayada
  Philydor Spix, 1824 -- valid
  Philydor amaurotis (Temminck, 1823) -- invalid
  Philydor atricapillus (Wied-Neuwied, 1821) -- valid -- Black-capped Foliage-gleaner
  Philydor dimidiatus (Pelzeln, 1859) -- invalid
  Philydor erythrocercus (Pelzeln, 1859) -- invalid
  Philydor erythropterus (P. L. Sclater, 1856) -- invalid
  Philydor fuscipennis Salvin, 1866 -- invalid
  Philydor lichtensteini Cabanis & Heine, 1859 -- valid -- Ochre-breasted Foliage-gleaner
  Philydor novaesi Teixeira & Gonzaga, 1983 -- valid -- Alagoas Foliage-gleaner
  Philydor ochrogaster Hellmayr, 1917 -- invalid
  Philydor pyrrhodes (Cabanis, 1848) -- valid -- Cinnamon-rumped Foliage-gleaner
  Philydor ruficaudatus (Orbigny & Lafresnaye, 1838) -- invalid
  Philydor rufus (Vieillot, 1818) -- invalid
  Phimosus Wagler, 1832 -- valid
  Phimosus infuscatus (Lichtenstein, 1823) -- valid -- Bare-faced Ibis
  Phlegopsis Reichenbach, 1850 -- valid
  Phlegopsis barringeri Meyer de Schauensee, 1951 -- invalid
  Phlegopsis erythroptera (Gould, 1855) -- valid -- Reddish-winged Bare-eye
  Phlegopsis nigromaculata (Orbigny & Lafresnaye, 1837) -- valid -- Black-spotted Bare-eye
  Phleocryptes Cabanis & Heine, 1859 -- valid
  Phleocryptes melanops (Vieillot, 1817) -- valid -- Wren-like Rushbird
  Phlogophilus Gould, 1860 -- valid
  Phlogophilus harterti von Berlepsch & Stolzmann, 1901 -- valid -- Peruvian Piedtail
  Phlogophilus hemileucurus Gould, 1860 -- valid -- Ecuadorian Piedtail
  Phodilus Geoffroy Saint-I. Hilaire, 1830 -- valid
  Phodilus badius (Horsfield, 1821) -- valid -- Oriental Bay Owl
  Phodilus prigoginei Schouteden, 1952 -- valid -- Congo Bay Owl
  Phoebastria Reichenbach, 1853 -- valid
  Phoebastria albatrus (Pallas, 1769) -- valid -- Albatros à queue courte, Short-tailed Albatross
  Phoebastria immutabilis (Rothschild, 1893) -- valid -- Albatros de Laysan, Laysan Albatross
  Phoebastria irrorata (Salvin, 1883) -- valid -- Waved Albatross
  Phoebastria nigripes (Audubon, 1839) -- valid -- Albatros à pieds noirs, Black-footed Albatross
  Phoebetria Reichenbach, 1853 -- valid
  Phoebetria fusca (Hilsenberg, 1822) -- valid -- Sooty Albatross
  Phoebetria palpebrata (J. R. Forster, 1785) -- valid -- Light-mantled Albatross, Albatros fuligineux
  Phoenicircus Swainson, 1832 -- valid
  Phoenicircus carnifex (Linnaeus, 1758) -- valid -- Guianan Red Cotinga
  Phoenicircus nigricollis Swainson, 1832 -- valid -- Black-necked Red Cotinga
  Phoenicopteridae Bonaparte, 1831 -- valid -- Flamingos
  Phoenicopterus Linnaeus, 1758 -- valid -- Greater Flamingos
  Phoenicopterus andinus Philippi, 1854 -- invalid
  Phoenicopterus chilensis Molina, 1782 -- valid -- Chilean Flamingo
  Phoenicopterus jamesi P. L. Sclater, 1886 -- invalid
  Phoenicopterus minor É. Geoffroy Saint-Hilaire, 1798 -- invalid
  Phoenicopterus ruber Linnaeus, 1758 -- valid -- Flamenco americano, Greater Flamingo, flamant rose, Flamant des Caraïbes, American Flamingo
  Phoeniculidae -- valid -- Wood Hoopoes
  Phoeniculus Jarocki, 1821 -- valid
  Phoeniculus bollei (Hartlaub, 1858) -- valid -- White-headed Wood Hoopoe, White-headed Wood-Hoopoe, Abubilla arbórea cabeciblanca, Irrisor à tête blanche, White-headed Woodhoopoe
  Phoeniculus castaneiceps (Sharpe, 1871) -- valid -- Forest Wood Hoopoe, Forest Wood-Hoopoe, Abubilla arbórea cabeciparda, Irrisor à tête brune, Forest Woodhoopoe, Forest Scimitarbill
  Phoeniculus damarensis (Ogilvie-Grant, 1901) -- valid -- Violet Wood Hoopoe, Violet Wood-Hoopoe, zombeteiro-da-damaralândia, Abubilla arbórea violeta, Irrisor damara, Violet Woodhoopoe
  Phoeniculus purpureus (J. F. Miller, 1784) -- valid -- Green Wood Hoopoe, Green Wood-Hoopoe, zombeteiro-de-bico-vermelho, Abubilla arbórea verde, Irrisor moqueur, Green Woodhoopoe
  Phoeniculus somaliensis (Ogilvie-Grant, 1901) -- valid -- Black-billed Wood Hoopoe, Black-billed Wood-Hoopoe, Abubilla arbórea piquinegra, Irrisor à bec noir, Black-billed Woodhoopoe
  Phoenicurus T. Forster, 1817 -- valid
  Phoenicurus alaschanicus (Prjevalsky, 1876) -- valid -- Przevalski's Redstart
  Phoenicurus auroreus (Pallas, 1776) -- valid -- Daurian Redstart
  Phoenicurus caeruleocephalus Vigors, 1831 -- invalid
  Phoenicurus erythrogaster (Guldenstadt, 1775) -- invalid
  Phoenicurus erythronota (Eversmann, 1841) -- invalid
  Phoenicurus frontalis Vigors, 1832 -- valid -- Blue-fronted Redstart
  Phoenicurus hodgsoni (Moore, 1854) -- valid -- Hodgson's Redstart
  Phoenicurus moussieri (Olphe-Galliard, 1852) -- valid -- Moussier's Redstart
  Phoenicurus ochruros (S. G. Gmelin, 1774) -- valid -- Black Redstart
  Phoenicurus phoenicurus (Linnaeus, 1758) -- valid -- Common Redstart
  Phoenicurus schisticeps (J. E. Gray & G. R. Gray, 1847) -- valid -- White-throated Redstart
  Pholidornis Hartlaub, 1857 -- valid
  Pholidornis rushiae (Cassin, 1855) -- valid -- Tit-Hylia
  Phragmacia Brooke & Dean, 1990 -- valid
  Phragmacia substriata (A. Smith, 1842) -- valid -- Namaqua Warbler
  Phrygilus Cabanis, 1844 -- valid
  Phrygilus alaudinus (Kittlitz, 1833) -- invalid -- Band-tailed Sierra Finch
  Phrygilus atriceps (d'Orbigny & Lafresnaye, 1837) -- valid -- Black-hooded Sierra Finch, Phrygile à tête noire, Yal cabecinegro, Black-hooded Sierra-finch
  Phrygilus carbonarius (d'Orbigny & Lafresnaye, 1837) -- invalid -- Carbonated Sierra Finch
  Phrygilus dorsalis Cabanis, 1883 -- invalid -- Red-backed Sierra Finch
  Phrygilus erythronotus (Philippi & Landbeck, 1861) -- invalid -- White-throated Sierra Finch
  Phrygilus fruticeti (Kittlitz, 1833) -- invalid -- Mourning Sierra Finch
  Phrygilus gayi (Gervais, 1834) -- valid -- Grey-hooded Sierra Finch, Phrygile à tête grise, Yal cabecigrís, Gray-hooded Sierra Finch, Grey-hooded Sierra-finch
  Phrygilus patagonicus Lowe, 1923 -- valid -- Patagonian Sierra Finch, Phrygile de Patagonie, Yal patagón, Patagonian Sierra-finch
  Phrygilus plebejus Tschudi, 1844 -- invalid -- Ash-breasted Sierra Finch
  Phrygilus punensis Ridgway, 1887 -- valid -- Peruvian Sierra Finch, Phrygile du Pérou, Yal peruano, Peruvian Sierra-finch
  Phrygilus unicolor (d'Orbigny & Lafresnaye, 1837) -- invalid -- Plumbeous Sierra Finch
  Phylidonyris R. Lesson, 1830 -- valid
  Phylidonyris albifrons (Gould, 1841) -- invalid -- White-fronted Honeyeater
  Phylidonyris melanops (Latham, 1801) -- invalid
  Phylidonyris nigra (Bechstein, 1811) -- invalid
  Phylidonyris notabilis (Sharpe, 1899) -- invalid
  Phylidonyris novaehollandiae (Latham, 1790) -- valid -- New Holland Honeyeater, Méliphage de Nouvelle-Hollande, Mielero de Nueva Holanda, melífago-de-olho-branco
  Phylidonyris pyrrhoptera (Latham, 1801) -- invalid
  Phylidonyris undulata (Sparrman, 1787) -- invalid
  Phyllanthus Lesson, 1844 -- valid
  Phyllanthus atripennis (Swainson, 1837) -- valid -- Capuchin Babbler
  Phyllastrephus Swainson, 1832 -- valid
  Phyllastrephus albigularis (Sharpe, 1882) -- valid -- White-throated Greenbul
  Phyllastrephus alfredi (Shelley, 1903) -- valid -- Sharpe's Greenbul
  Phyllastrephus apperti Colston, 1972 -- invalid
  Phyllastrephus baumanni Reichenow, 1895 -- valid -- Baumann's Olive Greenbul
  Phyllastrephus cabanisi (Sharpe, 1882) -- valid -- Cabanis's Greenbul
  Phyllastrephus cerviniventris Shelley, 1894 -- valid -- Grey-olive Bulbul
  Phyllastrephus cinereiceps (Sharpe, 1881) -- invalid
  Phyllastrephus debilis (W. L. Sclater, 1899) -- valid -- Tiny Greenbul
  Phyllastrephus fischeri (Reichenow, 1879) -- valid -- Fischer's Greenbul
  Phyllastrephus flavostriatus (Sharpe, 1876) -- valid -- Yellow-streaked Greenbul
  Phyllastrephus fulviventris Cabanis, 1876 -- valid -- Pale-olive Bulbul
  Phyllastrephus hypochloris (Jackson, 1906) -- valid -- Toro Olive Greenbul
  Phyllastrephus icterinus (Bonaparte, 1850) -- valid -- Icterine Greenbul
  Phyllastrephus leucolepis Gatter, 1985 -- valid -- Liberian Greenbul
  Phyllastrephus lorenzi Sassi, 1914 -- valid -- Sassi's Olive Greenbul
  Phyllastrephus madagascariensis (Gmelin, 1789) -- invalid
  Phyllastrephus placidus (Shelley, 1889) -- valid -- Placid Greenbul
  Phyllastrephus poensis Alexander, 1903 -- valid -- Cameroon Olive Greenbul
  Phyllastrephus poliocephalus (Reichenow, 1892) -- valid -- Grey-headed Greenbul
  Phyllastrephus scandens Swainson, 1837 -- valid -- Red-tailed Leaflove
  Phyllastrephus strepitans (Reichenow, 1879) -- valid -- Northern Brownbul
  Phyllastrephus tenebrosus (Stresemann, 1925) -- invalid
  Phyllastrephus terrestris Swainson, 1837 -- valid -- Terrestrial Brownbul
  Phyllastrephus xavieri (Oustalet, 1892) -- valid -- Xavier's Greenbul
  Phyllastrephus zosterops (Sharpe, 1875) -- invalid
  Phyllolais Hartlaub, 1881 -- valid
  Phyllolais pulchella (Cretzschmar, 1830) -- valid -- Buff-bellied Warbler
  Phyllomyias Cabanis & Heine, 1859 -- valid
  Phyllomyias burmeisteri Cabanis & Heine, 1859 -- valid -- Rough-legged Tyrannulet
  Phyllomyias cinereiceps (P. L. Sclater, 1860) -- valid -- Ashy-headed Tyrannulet
  Phyllomyias fasciatus (Thunberg, 1822) -- valid -- Planalto Tyrannulet
  Phyllomyias griseiceps (P. L. Sclater & Salvin, 1871) -- valid -- Sooty-headed Tyrannulet
  Phyllomyias griseocapilla P. L. Sclater, 1862 -- valid -- Grey-capped Tyrannulet
  Phyllomyias nigrocapillus (Lafresnaye, 1845) -- valid -- Black-capped Tyrannulet
  Phyllomyias plumbeiceps (Lawrence, 1869) -- valid -- Plumbeous-crowned Tyrannulet
  Phyllomyias reiseri Hellmayr, 1905 -- valid -- Reiser's Tyrannulet
  Phyllomyias sclateri Berlepsch, 1901 -- valid -- Sclater's Tyrannulet
  Phyllomyias uropygialis (Lawrence, 1869) -- valid -- Tawny-rumped Tyrannulet
  Phyllomyias virescens (Temminck, 1824) -- valid -- Greenish Tyrannulet
  Phyllomyias zeledoni (Lawrence, 1869) -- invalid
  Phylloscartes Cabanis & Heine, 1859 -- valid
  Phylloscartes ceciliae Teixeira, 1987 -- valid -- Alagoas Tyrannulet
  Phylloscartes chapmani Gilliard, 1940 -- valid
  Phylloscartes difficilis (H. Ihering & R. Ihering, 1907) -- valid -- Serra do Mar Tyrannulet
  Phylloscartes eximius (Temminck, 1822) -- valid
  Phylloscartes flaviventris (Hartert, 1897) -- valid -- Rufous-lored Tyrannulet
  Phylloscartes flavovirens (Lawrence, 1862) -- valid -- Yellow-green Tyrannulet, Panamanian Tyrannulet
  Phylloscartes gualaquizae (P. L. Sclater, 1887) -- valid -- Ecuadorian Tyrannulet
  Phylloscartes kronei Willis & Oniki, 1992 -- valid -- Restinga Tyrannulet
  Phylloscartes lanyoni G. R. Graves, 1988 -- valid
  Phylloscartes nigrifrons (Salvin & Godman, 1884) -- valid -- Black-fronted Tyrannulet
  Phylloscartes ophthalmicus (Taczanowski, 1874) -- valid
  Phylloscartes orbitalis (Cabanis, 1873) -- valid
  Phylloscartes oustaleti (P. L. Sclater, 1887) -- valid -- Oustalet's Tyrannulet
  Phylloscartes parkeri Fitzpatrick & Stotz, 1997 -- valid -- Cinnamon-faced Tyrannulet
  Phylloscartes paulistus H. Ihering & R. Ihering, 1907 -- invalid
  Phylloscartes poecilotis (P. L. Sclater, 1862) -- valid
  Phylloscartes roquettei E. Snethlage, 1928 -- valid -- Minas Gerais Tyrannulet
  Phylloscartes superciliaris (P. L. Sclater & Salvin, 1868) -- valid -- Rufous-browed Tyrannulet
  Phylloscartes sylviolus (Cabanis & Heine, 1859) -- valid -- Bay-ringed Tyrannulet
  Phylloscartes venezuelanus (Berlepsch, 1907) -- valid
  Phylloscartes ventralis (Temminck, 1824) -- valid -- Mottle-cheeked Tyrannulet
  Phylloscartes virescens Todd, 1925 -- valid -- Guianan Tyrannulet
  Phylloscopus F. Boie, 1826 -- valid -- Willow Warblers
  Phylloscopus affinis (Tickell, 1833) -- valid -- Tickell's Leaf Warbler
  Phylloscopus amoenus (Hartert, 1929) -- valid -- Kolombangara Leaf Warbler
  Phylloscopus armandii (Milne-Edwards, 1865) -- valid -- Yellow-streaked Warbler
  Phylloscopus bonelli (Vieillot, 1819) -- valid -- Western Bonelli's Warbler
  Phylloscopus borealis (J. H. Blasius, 1858) -- valid -- Arctic Warbler
  Phylloscopus borealoides Portenko, 1950 -- valid -- Sakhalin Leaf Warbler
  Phylloscopus budongoensis (Seth-Smith, 1907) -- valid -- Uganda Woodland Warbler
  Phylloscopus cantator (Tickell, 1833) -- valid -- Yellow-vented Warbler
  Phylloscopus cebuensis (Dubois, 1900) -- valid -- Lemon-throated Leaf Warbler
  Phylloscopus chloronotus (J. E. Gray & G. R. Gray, 1847) -- valid -- Lemon-rumped Warbler
  Phylloscopus collybita (Vieillot, 1817) -- valid -- Common Chiffchaff
  Phylloscopus coronatus (Temminck & Schlegel, 1847) -- valid -- Eastern Crowned Warbler
  Phylloscopus davisoni (Oates, 1889) -- valid -- White-tailed Leaf Warbler
  Phylloscopus fuligiventer (Hodgson, 1845) -- valid -- Smoky Warbler
  Phylloscopus fuscatus (Blyth, 1842) -- valid -- Dusky Warbler
  Phylloscopus griseolus Blyth, 1847 -- valid -- Sulphur-bellied Warbler
  Phylloscopus herberti (Alexander, 1903) -- valid -- Black-capped Woodland Warbler
  Phylloscopus ijimae (Stejneger, 1892) -- valid -- Ijima's Leaf Warbler
  Phylloscopus inornatus (Blyth, 1842) -- valid -- Yellow-browed Warbler
  Phylloscopus laetus (Sharpe, 1902) -- valid -- Red-faced Woodland Warbler
  Phylloscopus laurae (Boulton, 1931) -- valid -- Laura's Woodland Warbler
  Phylloscopus lorenzii (T. Lorenz, 1887) -- invalid
  Phylloscopus maculipennis (Blyth, 1867) -- valid -- Ashy-throated Warbler
  Phylloscopus magnirostris Blyth, 1843 -- valid -- Large-billed Leaf Warbler
  Phylloscopus makirensis Mayr, 1935 -- valid -- Makira Leaf Warbler
  Phylloscopus neglectus Hume, 1870 -- valid -- Plain Leaf Warbler
  Phylloscopus occipitalis (Blyth, 1845) -- valid -- Western Crowned Warbler
  Phylloscopus olivaceus (Moseley, 1891) -- valid -- Philippine Leaf Warbler
  Phylloscopus poliocephalus (Salvadori, 1876) -- invalid -- Island Leaf Warbler
  Phylloscopus presbytes (Blyth, 1870) -- valid -- Timor Leaf Warbler
  Phylloscopus proregulus (Pallas, 1811) -- valid -- Pallas's Leaf Warbler
  Phylloscopus pulcher Blyth, 1845 -- valid -- Buff-barred Warbler
  Phylloscopus reguloides (Blyth, 1842) -- valid -- Blyth's Leaf Warbler
  Phylloscopus ricketti (Slater, 1897) -- valid -- Sulphur-breasted Warbler
  Phylloscopus ruficapillus (Sundevall, 1850) -- invalid
  Phylloscopus sarasinorum (A. B. Meyer & Wiglesworth, 1896) -- valid -- Sulawesi Leaf Warbler
  Phylloscopus schwarzi (Radde, 1863) -- valid -- Radde's Warbler
  Phylloscopus sibilatrix (Bechstein, 1793) -- invalid -- Wood Warbler
  Phylloscopus subaffinis Ogilvie-Grant, 1900 -- valid -- Buff-throated Warbler
  Phylloscopus subviridis (W. E. Brooks, 1872) -- valid -- Brooks's Leaf Warbler
  Phylloscopus tenellipes Swinhoe, 1860 -- valid -- Pale-legged Leaf Warbler
  Phylloscopus trivirgatus Strickland, 1849 -- valid -- Mountain Leaf Warbler
  Phylloscopus trochiloides (Sundevall, 1837) -- valid -- Greenish Warbler
  Phylloscopus trochilus (Linnaeus, 1758) -- valid -- Willow Warbler
  Phylloscopus tytleri W. E. Brooks, 1871 -- valid -- Tytler's Leaf Warbler
  Phylloscopus umbrovirens (Rüppell, 1840) -- valid -- Brown Woodland Warbler
  Phytotoma Molina, 1782 -- valid
  Phytotoma raimondii Taczanowski, 1883 -- valid -- Peruvian Plantcutter
  Phytotoma rara Molina, 1782 -- valid -- Rufous-tailed Plantcutter
  Phytotoma rutila Vieillot, 1818 -- valid -- White-tipped Plantcutter
  Piaya Lesson, 1830 -- valid
  Piaya cayana (Linnaeus, 1766) -- valid -- Cuclillo canela, Squirrel Cuckoo
  Piaya melanogaster (Vieillot, 1817) -- valid -- Black-bellied Cuckoo
  Piaya minuta (Vieillot, 1817) -- valid -- Little Cuckoo
  Pica Brisson, 1760 -- valid -- Magpies
  Pica nuttalli (Audubon, 1837) -- valid -- Yellow-billed Magpie
  Pica pica (Linnaeus, 1758) -- valid -- Black-billed Magpie, pie bavarde, Eurasian Magpie
  Picathartes Lesson, 1828 -- valid
  Picathartes gymnocephalus (Temminck, 1825) -- valid -- White-necked Picathartes, White-necked Rock-fowl
  Picathartes oreas Reichenow, 1899 -- valid -- Grey-necked Rock-fowl, Grey-necked Picathartes
  Picathartidae Lowe, 1938 -- valid
  Picidae -- valid -- Woodpeckers, Wrynecks, fourmiliers, pic-bois
  Piciformes -- valid -- Woodpeckers, pic-bois
  Picoides Lacépède, 1799 -- valid -- Pied Woodpeckers
  Picoides albolarvatus (Cassin, 1850) -- invalid -- White-headed Woodpecker
  Picoides arcticus (Swainson, 1832) -- valid -- Black-backed Woodpecker, pic à dos noir
  Picoides borealis (Vieillot, 1809) -- invalid -- Red-cockaded Woodpecker
  Picoides lignarius (Molina, 1782) -- invalid -- Striped Woodpecker
  Picoides mixtus (Boddaert, 1783) -- invalid -- Checkered Woodpecker
  Picoides nuttallii (Gambel, 1843) -- invalid -- Nuttall's Woodpecker, Carpintero californiano
  Picoides pubescens (Linnaeus, 1766) -- invalid -- Downy Woodpecker, pic mineur, Carpintero velloso-menor
  Picoides scalaris (Wagler, 1829) -- invalid -- Ladder-backed Woodpecker, Carpintero mexicano
  Picoides stricklandi (Malherbe, 1845) -- invalid -- Strickland's Woodpecker, Carpintero de Strickland
  Picoides tridactylus (Linnaeus, 1758) -- valid -- Three-toed Woodpecker, pic tridactyle, Eurasian Three-toed Woodpecker
  Picoides villosus (Linnaeus, 1766) -- invalid -- Carpintero velloso-mayor, Hairy Woodpecker, pic chevelu
  Piculus von Spix, 1824 -- valid
  Piculus auricularis (Salvin & Godman, 1889) -- invalid -- Carpintero corona gris, Grey-crowned Woodpecker, Gray-crowned Woodpecker
  Piculus aurulentus (Temminck, 1821) -- valid -- Yellow-browed Woodpecker
  Piculus callopterus (Lawrence, 1862) -- valid -- Stripe-cheeked Woodpecker
  Piculus chrysochloros (Vieillot, 1818) -- valid -- Golden-green Woodpecker
  Piculus flavigula (Boddaert, 1783) -- valid -- Yellow-throated Woodpecker
  Piculus leucolaemus (Natterer & Malherbe, 1845) -- valid -- White-throated Woodpecker
  Piculus litae (Rothschild, 1901) -- valid -- Lita Woodpecker
  Piculus rivolii (Boissonneau, 1840) -- invalid -- Crimson-mantled Woodpecker
  Piculus rubiginosus (Swainson, 1820) -- invalid -- Carpintero oliváceo, Golden-olive Woodpecker
  Piculus simplex (Salvin, 1870) -- valid -- Rufous-winged Woodpecker
  Picumnus Temminck, 1825 -- valid
  Picumnus albosquamatus d'Orbigny, 1840 -- valid -- White-wedged Piculet
  Picumnus aurifrons Pelzeln, 1870 -- valid -- Bar-breasted Piculet
  Picumnus borbae Pelzeln, 1870 -- invalid
  Picumnus castelnau Malherbe, 1862 -- valid -- Plain-breasted Piculet
  Picumnus cinnamomeus Wagler, 1829 -- valid -- Chestnut Piculet
  Picumnus cirratus Temminck, 1825 -- valid -- White-barred Piculet
  Picumnus dorbygnianus Lafresnaye, 1845 -- invalid -- Ocellated Piculet
  Picumnus exilis (M. H. K. Lichtenstein, 1823) -- valid -- Golden-spangled Piculet
  Picumnus fulvescens Stager, 1961 -- invalid -- Tawny Piculet
  Picumnus fuscus Pelzeln, 1870 -- valid -- Rusty-necked Piculet
  Picumnus granadensis Lafresnaye, 1847 -- valid -- Greyish Piculet
  Picumnus innominatus Burton, 1836 -- valid -- Speckled Piculet
  Picumnus lafresnayi Malherbe, 1862 -- valid -- Lafresnaye's Piculet
  Picumnus limae E. Snethlage, 1924 -- valid -- Ochraceous Piculet
  Picumnus minutissimus (Pallas, 1782) -- valid -- Arrowhead Piculet
  Picumnus nebulosus Sundevall, 1866 -- valid -- Mottled Piculet
  Picumnus olivaceus Lafresnaye, 1845 -- valid -- Olivaceous Piculet
  Picumnus pallidus E. Snethlage, 1924 -- invalid
  Picumnus pumilus Cabanis & Heine, 1863 -- valid -- Orinoco Piculet
  Picumnus pygmaeus (M. H. K. Lichtenstein, 1823) -- valid -- Spotted Piculet
  Picumnus rufiventris (Bonaparte, 1838) -- valid -- Rufous-breasted Piculet
  Picumnus sclateri Taczanowski, 1877 -- valid -- Ecuadorian Piculet
  Picumnus spilogaster Sundevall, 1866 -- valid -- White-bellied Piculet
  Picumnus squamulatus Lafresnaye, 1854 -- valid -- Scaled Piculet
  Picumnus steindachneri Taczanowski, 1882 -- valid -- Speckle-chested Piculet
  Picumnus subtilis Stager, 1968 -- valid -- Fine-barred Piculet
  Picumnus temminckii Lafresnaye, 1845 -- valid -- Ochre-collared Piculet
  Picumnus varzeae E. Snethlage, 1912 -- valid -- Varzea Piculet
  Picus Linnaeus, 1758 -- valid
  Picus awokera Temminck, 1836 -- valid -- Japanese Green Woodpecker
  Picus canus J. F. Gmelin, 1788 -- valid -- Grey-headed Woodpecker
  Picus chlorolophus Vieillot, 1818 -- valid -- Lesser Yellownape
  Picus erythropygius (D. G. Elliot, 1865) -- valid -- Black-headed Woodpecker
  Picus flavinucha Gould, 1834 -- invalid -- Greater Yellownape
  Picus mentalis Temminck, 1826 -- invalid -- Checker-throated Woodpecker
  Picus mineaceus Pennant, 1769 -- invalid
  Picus puniceus Horsfield, 1821 -- valid -- Crimson-winged Woodpecker
  Picus rabieri (Oustalet, 1898) -- valid -- Red-collared Woodpecker
  Picus squamatus Vigors, 1831 -- valid -- Scaly-bellied Woodpecker
  Picus vaillantii (Malherbe, 1847) -- valid -- Levaillant's Woodpecker
  Picus viridanus Blyth, 1843 -- valid -- Streak-breasted Woodpecker
  Picus viridis Linnaeus, 1758 -- valid -- European Green Woodpecker
  Picus vittatus Vieillot, 1818 -- valid -- Laced Woodpecker
  Picus xanthopygaeus (J. E. Gray & G. R. Gray, 1847) -- valid -- Streak-throated Woodpecker
  Piezorhina Lafresnaye, 1843 -- invalid
  Piezorhina cinerea (Lafresnaye, 1843) -- invalid -- Cinereous Finch
  Pilherodius Bonaparte, 1855 -- invalid
  Pilherodius pileatus (Boddaert, 1783) -- valid -- Capped Heron, Héron coiffé
  Pinarocorys Shelley, 1902 -- valid
  Pinarocorys erythropygia (Strickland, 1852) -- valid -- Rufous-rumped Lark
  Pinarocorys nigricans (Sundevall, 1850) -- valid -- Dusky Lark
  Pinaroloxias Sharpe, 1885 -- valid
  Pinaroloxias inornata (Gould, 1843) -- valid -- Cocos Finch, Spizin de Cocos, Pinzón de Darwin de Cocos, tentilhão-da-ilha-dos-côcos, Coco Island Finch
  Pinarornis Sharpe, 1876 -- valid
  Pinarornis plumosus Sharpe, 1876 -- valid -- Boulder Chat
  Pinguinus Bonnaterre, 1791 -- valid -- Great Auks
  Pinguinus impennis (Linnaeus, 1758) -- valid -- Great Auk, Grand Pingouin, Alca gigante, torda-grande
  Pinicola Vieillot, 1808 -- valid -- Pine Grosbeaks
  Pinicola enucleator (Linnaeus, 1758) -- valid -- Pine Grosbeak, durbec des sapins
  Pinicola subhimachalus (Hodgson, 1836) -- invalid
  Pionites Heine, 1890 -- valid
  Pionites leucogaster (Kuhl, 1820) -- valid -- White-bellied Parrot, Green-thighed Parrot, Maïpouri à ventre blanc, Lorito rubio oriental, marianinha-de-cabeça-amarela
  Pionites melanocephala (Linnaeus, 1758) -- invalid
  Pionopsitta Bonaparte, 1854 -- valid
  Pionopsitta barrabandi (Kuhl, 1820) -- invalid -- Orange-cheeked Parrot
  Pionopsitta caica (Latham, 1790) -- invalid -- Caica Parrot
  Pionopsitta haematotis (P. L. Sclater & Salvin, 1860) -- invalid -- Brown-hooded Parrot, Loro cabeza oscura
  Pionopsitta pileata (Scopoli, 1769) -- valid -- Pileated Parrot, Red-capped Parrot, Caïque mitré, Lorito pileado, cuiú-cuiú
  Pionopsitta pulchra von Berlepsch, 1897 -- invalid -- Rose-faced Parrot
  Pionopsitta pyrilia (Bonaparte, 1853) -- invalid -- Saffron-headed Parrot
  Pionus Wagler, 1832 -- valid
  Pionus chalcopterus (Fraser, 1841) -- valid -- Bronze-winged Parrot, Pione noire, Loro alibronceado, curica-asa-de-bronze
  Pionus fuscus (P. L. S. Müller, 1776) -- valid -- Dusky Parrot, Pione violette, Loro morado, maitaca-roxa
  Pionus maximiliani (Kuhl, 1820) -- valid -- Scaly-headed Parrot, Pione de Maximilien, Loro choclero, maitaca
  Pionus menstruus (Linnaeus, 1766) -- valid -- Blue-headed Parrot, Pione à tête bleue, Loro cabeciazul, maitaca-de-cabeça-azul
  Pionus senilis (von Spix, 1824) -- valid -- White-crowned Parrot, Loro corona blanca, Pione à couronne blanche, Loro senil, curica-de-testa-branca
  Pionus sordidus (Linnaeus, 1758) -- valid -- Red-billed Parrot, Pione à bec rouge, Loro piquirrojo, curica-de-bico-vermelho
  Pionus tumultuosus (Tschudi, 1844) -- valid -- Plum-crowned Parrot, Speckle-faced Parrot, Pione pailletée, Loro tumultuoso, curica-de-cara-manchada
  Pipile Bonaparte, 1856 -- valid
  Pipile cujubi (Pelzeln, 1858) -- valid -- Pénélope cujubi, Pava cuyubí, cujubi, Red-throated Piping-Guan, Red-throated Piping Guan
  Pipile cumanensis (Jacquin, 1784) -- valid -- Pénélope à gorge bleue, Pava goliazul, jacutinga-de-garganta-azul, Blue-throated Piping-Guan, Blue-throated Piping Guan
  Pipile jacutinga (Spix, 1825) -- valid -- Pénélope à front noir, Pava yacutinga, jacutinga, Black-fronted Piping-Guan, Black-fronted Piping Guan
  Pipile pipile (Jacquin, 1784) -- valid -- Pénélope siffleuse, Pava de Trinidad, cujubi-assobiador, Trinidad Piping-Guan, Trinidad Piping Guan, Common Piping Guan
  Pipilo Vieillot, 1816 -- valid -- Towhees
  Pipilo aberti S. F. Baird, 1852 -- invalid -- Abert's Towhee, Toquí enmascarado
  Pipilo albicollis P. L. Sclater, 1858 -- invalid -- Toquí oaxaqueño, White-throated Towhee
  Pipilo chlorurus (Audubon, 1839) -- valid -- Toquí coliverde, Toquí cola verde, Green-tailed Towhee, tohi à queue verte
  Pipilo crissalis (Vigors, 1839) -- invalid -- Toquí californiano, California Towhee
  Pipilo erythrophthalmus (Linnaeus, 1758) -- valid -- Toquí flanquirrufo, pipilo-d'olho-vermelho, Rufous-sided Towhee, Toquí pinto, Eastern Towhee, tohi à flancs roux
  Pipilo fuscus Swainson, 1827 -- invalid -- Brown Towhee, Toquí pardo, Canyon Towhee
  Pipilo maculatus Swainson, 1827 -- valid -- Spotted Towhee, Tohi tacheté, Toquí moteado
  Pipilo ocai (Lawrence, 1865) -- valid -- Toquí de collar, Collared Towhee, Tohi à collier, Toquí acollarado
  Pipra Linnaeus, 1764 -- valid
  Pipra aureola (Linnaeus, 1758) -- valid -- Crimson-hooded Manakin
  Pipra chloromeros Tschudi, 1844 -- valid -- Round-tailed Manakin
  Pipra coeruleocapilla Tschudi, 1844 -- invalid
  Pipra cornuta Spix, 1825 -- valid -- Scarlet-horned Manakin
  Pipra coronata Spix, 1825 -- invalid -- Blue-crowned Manakin
  Pipra erythrocephala (Linnaeus, 1758) -- valid -- Golden-headed Manakin
  Pipra fasciicauda Hellmayr, 1906 -- valid -- Band-tailed Manakin
  Pipra filicauda Spix, 1825 -- valid -- Wire-tailed Manakin
  Pipra iris Schinz, 1851 -- invalid
  Pipra isidorei P. L. Sclater, 1852 -- invalid
  Pipra mentalis P. L. Sclater, 1857 -- valid -- Red-capped Manakin, Manaquín cabeza roja
  Pipra nattereri P. L. Sclater, 1865 -- invalid
  Pipra pipra (Linnaeus, 1758) -- valid -- White-crowned Manakin
  Pipra rubrocapilla Temminck, 1821 -- valid -- Red-headed Manakin
  Pipra serena Linnaeus, 1766 -- invalid
  Pipra suavissima Salvin & Godman, 1882 -- invalid
  Pipra vilasboasi Sick, 1959 -- invalid
  Pipraeidea Swainson, 1827 -- valid
  Pipraeidea melanonota (Vieillot, 1819) -- valid -- Fawn-breasted Tanager, Tangara à dos noir, Tangara de antifaz, saíra-viúva
  Pipreola Swainson, 1838 -- valid
  Pipreola arcuata (Lafresnaye, 1843) -- valid -- Barred Fruiteater
  Pipreola aureopectus (Lafresnaye, 1843) -- valid -- Golden-breasted Fruiteater
  Pipreola chlorolepidota Swainson, 1838 -- valid -- Fiery-throated Fruiteater
  Pipreola formosa (Hartlaub, 1849) -- valid -- Handsome Fruiteater
  Pipreola frontalis (P. L. Sclater, 1859) -- valid -- Scarlet-breasted Fruiteater
  Pipreola intermedia Taczanowski, 1884 -- valid -- Band-tailed Fruiteater
  Pipreola jucunda P. L. Sclater, 1860 -- valid -- Orange-breasted Fruiteater
  Pipreola lubomirskii Taczanowski, 1879 -- valid -- Black-chested Fruiteater
  Pipreola pulchra (Hellmayr, 1917) -- valid -- Masked Fruiteater
  Pipreola riefferii (Boissonneau, 1840) -- valid -- Green-and-black Fruiteater
  Pipreola whitelyi Salvin & Godman, 1884 -- valid -- Red-banded Fruiteater
  Piprites Cabanis, 1847 -- valid
  Piprites chloris (Temminck, 1822) -- valid -- Wing-barred Piprites
  Piprites griseiceps Salvin, 1865 -- valid -- Gray-headed Piprites, Grey-headed Piprites
  Piprites pileatus (Temminck, 1822) -- invalid
  Piranga Vieillot, 1808 -- valid -- Northern Tanagers
  Piranga bidentata Swainson, 1827 -- valid -- Flame-colored Tanager, Tángara dorso rayado
  Piranga erythrocephala (Swainson, 1827) -- valid -- Tángara cabeza roja, Red-headed Tanager
  Piranga flava (Vieillot, 1822) -- valid -- Tángara encinera, Hepatic Tanager, Red Tanager
  Piranga leucoptera Trudeau, 1840 -- valid -- Tángara ala blanca, White-winged Tanager
  Piranga ludoviciana (A. Wilson, 1811) -- valid -- Western Tanager, tangara à tête rouge, Tángara capucha roja
  Piranga olivacea (J. F. Gmelin, 1789) -- valid -- Tángara escarlata, Scarlet Tanager, tangara écarlate
  Piranga roseogularis S. Cabot, 1846 -- valid -- Tángara yucateca, Rose-throated Tanager
  Piranga rubra (Linnaeus, 1758) -- valid -- Summer Tanager, tangara vermillon, Tángara roja
  Piranga rubriceps G. R. Gray, 1844 -- valid -- Red-hooded Tanager
  Pitangus Swainson, 1827 -- valid -- Kiskadees
  Pitangus sulphuratus (Linnaeus, 1766) -- valid -- Great Kiskadee, Luis bienteveo
  Pithecophaga Ogilvie-Grant, 1896 -- valid
  Pithecophaga jefferyi Ogilvie-Grant, 1896 -- valid -- Monkey-eating Eagle, Philippine Eagle
  Pithys Vieillot, 1818 -- valid
  Pithys albifrons (Linnaeus, 1766) -- valid -- White-plumed Antbird
  Pithys castanea Berlioz, 1938 -- invalid
  Pitohui Lesson, 1831 -- valid -- Morning Birds
  Pitohui cristatus (Salvadori, 1876) -- invalid -- Crested Pitohui
  Pitohui dichrous (Bonaparte, 1850) -- valid -- Hooded Pitohui
  Pitohui ferrugineus (Bonaparte, 1850) -- invalid -- Rusty Pitohui
  Pitohui incertus Oort, 1909 -- invalid -- White-belled Pitohui
  Pitohui kirhocephalus (Lesson & Garnot, 1827) -- valid -- Variable Pitohui
  Pitohui nigrescens (Schlegel, 1871) -- invalid -- Black Pitohui
  Pitta Vieillot, 1816 -- valid
  Pitta anerythra Rothschild, 1901 -- valid -- Black-faced Pitta
  Pitta angolensis Vieillot, 1816 -- valid -- African Pitta
  Pitta arcuata Gould, 1871 -- invalid
  Pitta baudii S. Muller & Schlegel, 1839 -- valid -- Blue-headed Pitta
  Pitta brachyura (Linnaeus, 1766) -- valid -- Indian Pitta
  Pitta caerulea (Raffles, 1822) -- valid -- Giant Pitta
  Pitta cyanea Blyth, 1843 -- valid -- Blue Pitta
  Pitta dohertyi Rothschild, 1898 -- invalid
  Pitta elegans Temminck, 1836 -- valid -- Elegant Pitta
  Pitta elliotii Oustalet, 1874 -- valid -- Bar-bellied Pitta
  Pitta erythrogaster Temminck, 1823 -- valid -- Red-bellied Pitta
  Pitta granatina Temminck, 1830 -- valid -- Garnet Pitta
  Pitta guajana (Statius Muller, 1776) -- valid -- Banded Pitta
  Pitta gurneyi Hume, 1875 -- valid -- Gurney's Pitta
  Pitta iris Gould, 1842 -- valid -- Rainbow Pitta
  Pitta kochi Bruggemann, 1876 -- valid -- Whiskered Pitta
  Pitta maxima S. Muller & Schlegel, 1845 -- valid -- Ivory-breasted Pitta
  Pitta megarhyncha Schlegel, 1863 -- valid -- Mangrove Pitta
  Pitta moluccensis (Statius Muller, 1776) -- valid -- Blue-winged Pitta
  Pitta nipalensis (Hodgson, 1837) -- valid -- Blue-naped Pitta
  Pitta nympha Temminck & Schlegel, 1850 -- valid -- Fairy Pitta
  Pitta oatesi (Hume, 1873) -- valid -- Rusty-naped Pitta
  Pitta phayrei (Blyth, 1862) -- invalid
  Pitta reichenowi Madarasz, 1901 -- valid -- Green-breasted Pitta
  Pitta schneideri Hartert, 1909 -- valid -- Schneider's Pitta
  Pitta sordida (Statius Muller, 1776) -- valid -- Hooded Pitta
  Pitta soror R. G. W. Ramsay, 1881 -- valid -- Blue-rumped Pitta
  Pitta steerii (Sharpe, 1876) -- valid -- Azure-breasted Pitta
  Pitta superba Rothschild & Hartert, 1914 -- valid -- Superb Pitta
  Pitta venusta S. Muller, 1836 -- valid -- Graceful Pitta
  Pitta versicolor Swainson, 1825 -- valid -- Noisy Pitta
  Pittasoma Cassin, 1860 -- valid
  Pittasoma michleri Cassin, 1860 -- valid -- Black-crowned Antpitta
  Pittasoma rufopileatum Hartert, 1901 -- valid -- Rufous-crowned Antpitta
  Pittidae -- valid
  Pityriasis Lesson, 1839 -- valid
  Pityriasis gymnocephala (Temminck, 1836) -- valid -- Bornean Bristlehead
  Platalea Linnaeus, 1758 -- valid
  Platalea alba Scopoli, 1786 -- valid -- African Spoonbill
  Platalea flavipes Gould, 1838 -- valid -- Yellow-billed Spoonbill
  Platalea leucorodia Linnaeus, 1758 -- valid -- Eurasian Spoonbill, Spatule blanche
  Platalea minor Temminck & Schlegel, 1849 -- valid -- Black-faced Spoonbill
  Platalea regia Gould, 1838 -- valid -- Royal Spoonbill
  Platycercus Vigors, 1825 -- valid
  Platycercus adscitus (Latham, 1790) -- valid -- White-cheeked Rosella, Pale-headed Rosella, Perruche à tête pâle, Perico pálido, rosela-pálida
  Platycercus barnardi Vigors & Horsfield, 1827 -- invalid
  Platycercus caledonicus (J. F. Gmelin, 1788) -- valid -- Green Rosella, Perruche à ventre jaune, Perico de Tasmania, rosela-da-caledônia
  Platycercus elegans (J. F. Gmelin, 1788) -- valid -- Crimson Rosella, Perruche de Pennant, Perico elegante, rosela-elegante
  Platycercus eximius (Shaw, 1792) -- valid -- Eastern Rosella, Perruche omnicolore, Perico multicolor, rosela-multicolorida
  Platycercus flaveolus Gould, 1837 -- invalid
  Platycercus icterotis (Temminck & Kuhl, 1820) -- valid -- Western Rosella, Perruche à oreilles jaunes, Perico carigualdo, rosela-do-leste
  Platycercus venustus (Kuhl, 1820) -- valid -- Northern Rosella, Perruche gracieuse, Perico gracioso, rosela-do-norte
  Platycercus zonarius (Shaw, 1805) -- invalid
  Platycichla Baird, 1864 -- invalid
  Platycichla flavipes (Vieillot, 1818) -- invalid -- Yellow-legged Thrush
  Platycichla leucops (Taczanowski, 1877) -- invalid -- Pale-eyed Thrush
  Platylophus Swainson, 1832 -- valid
  Platylophus galericulatus (Cuvier, 1816) -- valid -- Crested Jay
  Platyrinchus Desmarest, 1805 -- valid
  Platyrinchus cancrominus P. L. Sclater & Salvin, 1860 -- valid -- Stub-tailed Spadebill, Mosquero pico chato
  Platyrinchus coronatus P. L. Sclater, 1858 -- valid -- Golden-crowned Spadebill
  Platyrinchus flavigularis P. L. Sclater, 1862 -- valid -- Yellow-throated Spadebill
  Platyrinchus leucoryphus Wied-Neuwied, 1831 -- valid -- Russet-winged Spadebill
  Platyrinchus mystaceus Vieillot, 1818 -- valid -- White-throated Spadebill
  Platyrinchus platyrhynchos (Gmelin, 1788) -- valid -- White-crested Spadebill
  Platyrinchus saturatus Salvin & Godman, 1882 -- valid -- Cinnamon-crested Spadebill
  Platysmurus Reichenbach, 1850 -- valid
  Platysmurus leucopterus (Temminck, 1824) -- valid -- Black Magpie
  Platysteira Jardine & Selby, 1830 -- valid
  Platysteira albifrons Sharpe, 1873 -- valid -- White-fronted Wattle-eye
  Platysteira blissetti (Sharpe, 1872) -- valid
  Platysteira castanea Fraser, 1843 -- valid
  Platysteira chalybea (Reichenow, 1897) -- valid
  Platysteira concreta Hartlaub, 1855 -- valid
  Platysteira cyanea (Statius Muller, 1776) -- valid -- Brown-throated Wattle-eye
  Platysteira jamesoni (Sharpe, 1890) -- valid
  Platysteira laticincta Bates, 1926 -- valid -- Banded Wattle-eye
  Platysteira peltata Sundevall, 1850 -- valid -- Black-throated Wattle-eye
  Platysteira tonsa (Bates, 1911) -- valid
  Plectorhyncha Gould, 1838 -- valid
  Plectorhyncha lanceolata Gould, 1838 -- valid -- Striped Honeyeater, Méliphage lancéolé, Mielero lanceolado
  Plectrophenax Stejneger, 1882 -- valid -- Snow Buntings
  Plectrophenax hyperboreus Ridgway, 1884 -- valid -- McKay's Bunting
  Plectrophenax nivalis (Linnaeus, 1758) -- valid -- Snow Bunting, bruant des neiges
  Plectropterus Stephens, 1824 -- valid
  Plectropterus gambensis (Linnaeus, 1766) -- valid -- Spur-winged Goose, Oie-armée de Gambie, Ganso espolonado, pato-ferrão
  Plegadis Kaup, 1829 -- valid -- Glossy Ibises
  Plegadis chihi (Vieillot, 1817) -- valid -- Ibis cara blanca, White-faced Ibis, Ibis à face blanche
  Plegadis falcinellus (Linnaeus, 1766) -- valid -- Ibis cara oscura, Glossy Ibis, Ibis falcinelle
  Plegadis ridgwayi (Allen, 1876) -- valid -- Puna Ibis
  Plocepasser A. Smith, 1836 -- valid
  Plocepasser donaldsoni Sharpe, 1895 -- valid -- Donaldson-Smith's Sparrow-Weaver
  Plocepasser mahali A. Smith, 1836 -- valid -- White-browed Sparrow-Weaver
  Plocepasser rufoscapulatus Büttikofer, 1888 -- valid -- Chestnut-backed Sparrow-Weaver
  Plocepasser superciliosus (Cretzschmar, 1827) -- valid -- Chestnut-crowned Sparrow-Weaver
  Ploceus Cuvier, 1816 -- valid
  Ploceus albinucha (Bocage, 1876) -- valid -- Maxwell's Black Weaver
  Ploceus alienus (Sharpe, 1902) -- valid -- Strange Weaver
  Ploceus angolensis (Bocage, 1878) -- valid -- Bar-winged Weaver
  Ploceus aurantius (Vieillot, 1805) -- valid -- Orange Weaver
  Ploceus aureonucha Sassi, 1920 -- valid -- Golden-naped Weaver
  Ploceus badius (Cassin, 1850) -- valid -- Cinnamon Weaver
  Ploceus baglafecht (Daudin, 1802) -- valid -- Baglafecht Weaver
  Ploceus bannermani Chapin, 1932 -- valid -- Bannerman's Weaver
  Ploceus batesi (Sharpe, 1908) -- valid -- Bates's Weaver
  Ploceus benghalensis (Linnaeus, 1758) -- valid
  Ploceus bertrandi (Shelley, 1893) -- valid -- Bertram's Weaver
  Ploceus bicolor Vieillot, 1819 -- valid -- Dark-backed Weaver
  Ploceus bojeri (Cabanis, 1869) -- valid -- Golden Palm Weaver
  Ploceus burnieri N. E. Baker & E. M. Baker, 1990 -- valid -- Kilombero Weaver
  Ploceus capensis (Linnaeus, 1766) -- valid -- Cape Weaver
  Ploceus castaneiceps (Sharpe, 1890) -- valid -- Taveta Weaver
  Ploceus castanops Shelley, 1888 -- valid -- Northern Brown-throated Weaver
  Ploceus cucullatus (Statius Muller, 1776) -- valid -- Village Weaver
  Ploceus dicrocephalus (Salvadori, 1896) -- invalid
  Ploceus dorsomaculatus (Reichenow, 1893) -- valid -- Yellow-capped Weaver
  Ploceus galbula Rüppell, 1840 -- valid -- Rüppell's Weaver
  Ploceus golandi (S. Clarke, 1913) -- valid -- Clarke's Weaver
  Ploceus grandis (G. R. Gray, 1844) -- valid -- Giant Weaver
  Ploceus heuglini Reichenow, 1886 -- valid -- Heuglin's Masked Weaver
  Ploceus hypoxanthus (Sparrman, 1788) -- valid -- Asian Golden Weaver
  Ploceus insignis (Sharpe, 1891) -- valid -- Brown-capped Weaver
  Ploceus intermedius Rüppell, 1845 -- valid -- Lesser Masked Weaver
  Ploceus jacksoni Shelley, 1888 -- valid -- Golden-backed Weaver
  Ploceus katangae (Verheyen, 1947) -- valid -- Katanga Masked Weaver
  Ploceus luteolus (Lichtenstein, 1823) -- valid -- Little Weaver
  Ploceus manyar (Horsfield, 1821) -- valid -- Streaked Weaver
  Ploceus megarhynchus Hume, 1869 -- valid -- Finn's Weaver
  Ploceus melanocephalus (Linnaeus, 1758) -- valid -- Black-headed Weaver
  Ploceus melanogaster Shelley, 1887 -- valid -- Black-billed Weaver
  Ploceus nelicourvi (Scopoli, 1786) -- valid -- Nelicourvi Weaver
  Ploceus nicolli W. L. Sclater, 1931 -- valid -- Usambara Weaver
  Ploceus nigerrimus Vieillot, 1819 -- valid -- Vieillot's Black Weaver
  Ploceus nigricollis (Vieillot, 1805) -- valid -- Black-necked Weaver
  Ploceus nigrimentum Reichenow, 1904 -- invalid
  Ploceus ocularis A. Smith, 1839 -- invalid
  Ploceus olivaceiceps (Reichenow, 1899) -- valid -- Olive-headed Weaver
  Ploceus pelzelni (Hartlaub, 1887) -- invalid
  Ploceus philippinus (Linnaeus, 1766) -- valid -- Baya Weaver
  Ploceus preussi (Reichenow, 1892) -- valid -- Preuss's Weaver
  Ploceus princeps (Bonaparte, 1850) -- valid -- Principe Weaver
  Ploceus reichardi Reichenow, 1886 -- valid -- Tanzania Masked Weaver
  Ploceus rubiginosus Rüppell, 1840 -- valid -- Chestnut Weaver
  Ploceus ruweti Louette & Benson, 1982 -- valid -- Lufira Masked Weaver
  Ploceus sakalava Hartlaub, 1861 -- valid -- Sakalava Weaver
  Ploceus sanctithomae (Hartlaub, 1848) -- valid -- Sao Tome Weaver
  Ploceus spekei (Heuglin, 1861) -- valid -- Speke's Weaver
  Ploceus spekeoides Grant & Mackworth-Praed, 1947 -- valid -- Fox's Weaver
  Ploceus subaureus A. Smith, 1839 -- valid -- Yellow Weaver
  Ploceus subpersonatus (Cabanis, 1876) -- valid -- Loango Weaver
  Ploceus taeniopterus (Reichenbach, 1863) -- valid -- Northern Masked Weaver
  Ploceus temporalis (Bocage, 1880) -- valid -- Bocage's Weaver
  Ploceus tricolor (Hartlaub, 1854) -- valid -- Yellow-mantled Weaver
  Ploceus velatus Vieillot, 1819 -- valid -- Southern Masked Weaver
  Ploceus victoriae Ash, 1986 -- invalid
  Ploceus vitellinus (Lichtenstein, 1823) -- valid -- Vitelline Masked Weaver
  Ploceus weynsi (Dubois, 1900) -- valid -- Weyns's Weaver
  Ploceus xanthops (Hartlaub, 1862) -- valid -- African Golden Weaver
  Ploceus xanthopterus (Hartlaub & Finsch, 1870) -- valid -- Southern Brown-throated Weaver
  Pluvialis Brisson, 1760 -- valid -- Golden-Plovers
  Pluvialis apricaria (Linnaeus, 1758) -- valid -- Greater Golden-Plover, European Golden-Plover, European Golden Plover, Pluvier doré, Chorlito dorado europeo, tarambola-dourada, Eurasian Golden Plover
  Pluvialis dominica (P. L. S. Müller, 1776) -- valid -- Lesser Golden-Plover, Chorlo dominico, American Golden-Plover, pluvier doré d'Amérique, American Golden Plover, Pluvier bronzé, Chorlito dorado americano, batuiruçu
  Pluvialis fulva (J. F. Gmelin, 1789) -- valid -- Chorlo fulvo, Pacific Golden-Plover, Pacific Golden Plover, Pluvier fauve, Chorlito dorado siberiano, tarambola-dourada-siberiana
  Pluvialis squatarola (Linnaeus, 1758) -- valid -- Chorlo gris, Black-bellied Plover, Grey Plover, Pluvier argenté, Chorlito gris, batuiruçu-de-axila-preta, tarambola-cinzenta
  Pluvianellidae Reichenbach, 1848 -- valid -- Magellanic Plover
  Pluvianellus G. R. Gray, 1846 -- valid
  Pluvianellus socialis G. R. Gray, 1846 -- valid -- Magellanic Plover, Pluvianelle magellanique, Chorlito de Magallanes, batuíra-de-magalhães
  Pluvianus Vieillot, 1816 -- valid
  Pluvianus aegyptius (Linnaeus, 1758) -- valid -- Egyptian Plover, Pluvian fluviatile, Pluvial, ave-do-crocodilo
  Pnoepyga Hodgson, 1844 -- valid
  Pnoepyga albiventer (Hodgson, 1837) -- valid -- Scaly-breasted Wren-Babbler
  Pnoepyga immaculata J. Martens & Eck, 1991 -- valid -- Nepal Wren-Babbler
  Pnoepyga pusilla Hodgson, 1845 -- valid -- Pygmy Wren-Babbler
  Podager Wagler, 1832 -- invalid
  Podager nacunda (Vieillot, 1817) -- invalid -- Nacunda Nighthawk
  Podargidae -- valid -- Frogmouths
  Podargus Vieillot, 1818 -- valid -- frogmouths
  Podargus ocellatus Quoy & Gaimard, 1830 -- valid -- Marbled Frogmouth
  Podargus papuensis Quoy & Gaimard, 1830 -- valid -- Papuan Frogmouth
  Podargus strigoides (Latham, 1801) -- valid -- Tawny Frogmouth
  Podica Lesson, 1831 -- valid
  Podica senegalensis (Vieillot, 1817) -- valid -- African Finfoot
  Podiceps Latham, 1787 -- valid -- Typical Grebes
  Podiceps andinus (Meyer de Schauensee, 1959) -- valid -- Colombian Grebe
  Podiceps auritus (Linnaeus, 1758) -- valid -- Zambullidor cornudo, Grèbe esclavon, Horned Grebe
  Podiceps cristatus (Linnaeus, 1758) -- valid -- Great Crested Grebe
  Podiceps gallardoi Rumboll, 1974 -- valid -- Hooded Grebe
  Podiceps grisegena (Boddaert, 1783) -- valid -- Grèbe jougris, Red-necked Grebe
  Podiceps major (Boddaert, 1783) -- valid -- Great Grebe
  Podiceps nigricollis C. L. Brehm, 1831 -- valid -- Zambullidor orejudo, Eared Grebe, Grèbe à cou noir, Black-necked Grebe
  Podiceps occipitalis Garnot, 1826 -- valid -- Silvery Grebe
  Podiceps taczanowskii von Berlepsch & Stolzmann, 1894 -- valid -- Junin Grebe
  Podicipedidae Bonaparte, 1831 -- valid -- Grebes
  Podilymbus Lesson, 1831 -- valid
  Podilymbus gigas Griscom, 1929 -- valid -- Atitlan Grebe, Grèbe de l'Atitlan
  Podilymbus podiceps (Linnaeus, 1758) -- valid -- Zambullidor pico grueso, Grèbe à bec bigarré, Pied-billed Grebe
  Podoces Fischer von Waldheim, 1821 -- valid
  Podoces biddulphi Hume, 1874 -- valid -- Biddulph's Ground Jay
  Podoces hendersoni Hume, 1871 -- valid -- Henderson's Ground Jay
  Podoces panderi Fischer von Waldheim, 1821 -- valid -- Pander's Ground Jay
  Podoces pleskei Zarudny, 1896 -- valid -- Pleske's Ground Jay
  Poecile Kaup, 1829 -- valid
  Poecile atricapillus (Linnaeus, 1766) -- valid -- Black-capped Chickadee, mésange à tête noire
  Poecile carolinensis (Audubon, 1834) -- valid -- Carolina Chickadee
  Poecile cinctus (Boddaert, 1783) -- valid -- Gray-headed Chickadee, Siberian Tit
  Poecile davidi Berezowski & Bianchi, 1891 -- valid -- Père David's Tit, Pere David's Tit
  Poecile gambeli (Ridgway, 1886) -- valid -- Mountain Chickadee
  Poecile hudsonicus (J. R. Forster, 1772) -- valid -- Boreal Chickadee, mésange à tête brune
  Poecile lugubris (Temminck, 1820) -- valid -- Sombre Tit
  Poecile montanus (Conrad von Baldenstein, 1827) -- valid -- Willow Tit
  Poecile palustris (Linnaeus, 1758) -- valid -- Marsh Tit
  Poecile rufescens (J. K. Townsend, 1837) -- valid -- Chestnut-backed Chickadee
  Poecile sclateri (O. Kleinschmidt, 1897) -- valid -- Mexican Chickadee
  Poecile superciliosus Prjevalsky, 1876 -- valid -- White-browed Tit
  Poecilodryas Gould, 1865 -- valid
  Poecilodryas albonotata (Salvadori, 1875) -- valid -- Black-throated Robin
  Poecilodryas brachyura (P. L. Sclater, 1874) -- valid -- Black-chinned Robin
  Poecilodryas hypoleuca (G. R. Gray, 1859) -- valid -- Black-sided Robin
  Poecilodryas placens (E. P. Ramsay, 1879) -- valid -- Olive-yellow Robin
  Poecilodryas superciliosa (Gould, 1847) -- valid -- White-browed Robin
  Poecilotriccus Berlepsch, 1884 -- valid
  Poecilotriccus albifacies (Blake, 1959) -- valid -- White-cheeked Tody-Flycatcher
  Poecilotriccus capitalis (P. L. Sclater, 1857) -- valid -- Black-and-white Tody-Flycatcher
  Poecilotriccus ruficeps (Kaup, 1852) -- valid -- Rufous-crowned Tody-Flycatcher
  Poeoptera Bonaparte, 1854 -- valid
  Poeoptera kenricki Shelley, 1894 -- valid -- Kenrick's Starling
  Poeoptera lugubris Bonaparte, 1854 -- valid -- Narrow-tailed Starling
  Poeoptera stuhlmanni (Reichenow, 1893) -- valid -- Stuhlmann's Starling
  Poephila Gould, 1842 -- valid
  Poephila acuticauda (Gould, 1840) -- valid -- Long-tailed Finch
  Poephila cincta (Gould, 1837) -- valid -- Black-throated Finch
  Poephila personata Gould, 1842 -- valid -- Masked Finch
  Pogoniulus Lafresnaye, 1842 -- valid
  Pogoniulus atroflavus (Sparrman, 1798) -- valid -- Red-rumped Tinkerbird
  Pogoniulus bilineatus (Sundevall, 1850) -- valid -- Yellow-rumped Tinkerbird
  Pogoniulus chrysoconus (Temminck, 1832) -- valid -- Yellow-fronted Tinkerbird
  Pogoniulus coryphaeus (Reichenow, 1892) -- invalid -- Western Tinkerbird
  Pogoniulus leucomystax (Sharpe, 1892) -- valid -- Moustached Tinkerbird
  Pogoniulus pusillus (Dumont, 1805) -- valid -- Red-fronted Tinkerbird
  Pogoniulus scolopaceus (Bonaparte, 1850) -- valid -- Speckled Tinkerbird
  Pogoniulus simplex (G. A. Fischer & Reichenow, 1884) -- valid -- Green Tinkerbird
  Pogoniulus subsulphureus (Fraser, 1843) -- valid -- Yellow-throated Tinkerbird
  Pogonocichla Cabanis, 1847 -- valid
  Pogonocichla stellata (Vieillot, 1818) -- valid -- White-starred Robin
  Poicephalus Swainson, 1837 -- valid
  Poicephalus crassus (Sharpe, 1884) -- valid -- Niam-niam Parrot, Perroquet des Niam-niams, Lorito nianiam
  Poicephalus cryptoxanthus (W. Peters, 1854) -- valid -- Brown-headed Parrot, Perroquet à tête brune, Lorito cabecipardo, papagaio-de-cabeça-castanha
  Poicephalus flavifrons (Rüppell, 1842) -- valid -- Yellow-fronted Parrot, Perroquet à face jaune, Lorito carigualdo, papagaio-de-cara-amarela
  Poicephalus gulielmi (Jardine, 1849) -- valid -- Red-fronted Parrot, Perroquet à calotte rouge, Lorito frentirrojo, papagaio-de-jardine
  Poicephalus meyeri (Cretzschmar, 1827) -- valid -- Meyer's Parrot, Perroquet de Meyer, Lorito de Meyer, papagaio-de-meyer
  Poicephalus robustus (J. F. Gmelin, 1788) -- valid -- Cape Parrot, Brown-necked Parrot, Perroquet robuste, Lorito robusto, papagaio-de-bico-grosso
  Poicephalus rueppellii (G. R. Gray, 1849) -- valid -- Rüppell's Parrot, Perroquet de Rüppell, Lorito de Rüppell, papagaio-de-rüppell
  Poicephalus rufiventris (Rüppell, 1842) -- valid -- Red-bellied Parrot, African Orange-bellied Parrot, Perroquet à ventre rouge, Lorito ventrirrojo, papagaio-de-ventre-vermelho
  Poicephalus senegalus (Linnaeus, 1766) -- valid -- Senegal Parrot, Perroquet youyou, Lorito senegalés, periquito-massarongo
  Polemaetus Heine, 1890 -- valid
  Polemaetus bellicosus (Daudin, 1800) -- valid -- Martial Eagle
  Polihierax Kaup, 1847 -- valid
  Polihierax insignis Walden, 1872 -- valid -- White-rumped Pygmy Falcon, White-rumped Falcon, Fauconnet à pattes jaunes, Halconcito asiático, falcão-pigmeu-de-sobre-branco, White-rumped Pygmy-falcon
  Polihierax semitorquatus (A. Smith, 1836) -- valid -- African Pygmy Falcon, Pygmy Falcon, Fauconnet d'Afrique, Halconcito africano, falcão-pigmeu-de-dorso-cinzento, African Pygmy-falcon
  Poliocephalus Selby, 1840 -- valid
  Poliocephalus poliocephalus (Jardine & Selby, 1827) -- valid -- Hoary-headed Grebe
  Poliocephalus rufopectus (G. R. Gray, 1843) -- valid -- New Zealand Grebe
  Poliolais Alexander, 1903 -- valid
  Poliolais lopezi (Alexander, 1903) -- valid -- White-tailed Warbler
  Polioptila P. L. Sclater, 1855 -- valid -- Gnatcatchers
  Polioptila albiloris P. L. Sclater & Salvin, 1860 -- valid -- Perlita pispirria, White-lored Gnatcatcher
  Polioptila caerulea (Linnaeus, 1766) -- valid -- Perlita azulgris, Blue-gray Gnatcatcher, gobemoucherons gris-bleu, Blue-grey Gnatcatcher
  Polioptila californica Brewster, 1881 -- valid -- Perlita californiana, California Gnatcatcher
  Polioptila dumicola (Vieillot, 1817) -- valid -- Masked Gnatcatcher
  Polioptila guianensis Todd, 1920 -- valid -- Guianan Gnatcatcher
  Polioptila lactea Sharpe, 1885 -- valid -- Creamy-bellied Gnatcatcher
  Polioptila lembeyei (Gundlach, 1858) -- valid -- Cuban Gnatcatcher
  Polioptila melanura Lawrence, 1857 -- valid -- Perlita del desierto, Black-tailed Gnatcatcher
  Polioptila nigriceps S. F. Baird, 1864 -- valid -- Black-capped Gnatcatcher, Perlita sinaloense
  Polioptila plumbea (Gmelin, 1788) -- valid -- Perlita tropical, Tropical Gnatcatcher
  Polioptila schistaceigula Hartert, 1898 -- valid -- Slate-throated Gnatcatcher
  Polioxolmis W. Lanyon, 1986 -- valid
  Polioxolmis rufipennis (Taczanowski, 1874) -- valid -- Rufous-webbed Bush Tyrant
  Polyboroides A. Smith, 1829 -- valid
  Polyboroides radiatus (Scopoli, 1786) -- valid -- Madagascar Harrier-Hawk
  Polyboroides typus A. Smith, 1829 -- valid -- African Harrier-Hawk
  Polyonymus Heine, 1863 -- valid
  Polyonymus caroli (Bourcier, 1847) -- valid -- Bronze-tailed Comet
  Polyplectron Temminck, 1807 -- valid -- Peacock-Pheasants
  Polyplectron bicalcaratum (Linnaeus, 1758) -- valid -- Éperonnier chinquis, Espolonero chinquis, faisão-pavão-cinzento, Gray Peacock-Pheasant, Grey Peacock Pheasant, Grey Peacock-Pheasant
  Polyplectron chalcurum R. Lesson, 1831 -- valid -- Éperonnier à queue bronzée, Espolonero colibronceado, faisão-pavão-rabo-de-bronze, Bronze-tailed Peacock Pheasant, Bronze-tailed Peacock-Pheasant
  Polyplectron emphanum Temminck, 1832 -- invalid
  Polyplectron germaini D. G. Elliot, 1866 -- valid -- Éperonnier de Germain, Espolonero de Germain, faisão-pavão-marrom, Germain's Peacock Pheasant, Germain's Peacock-Pheasant
  Polyplectron inopinatum (Rothschild, 1903) -- valid -- Éperonnier de Rothschild, Espolonero de Rothschild, faisão-pavão-montês, Mountain Peacock Pheasant, Mountain Peacock-Pheasant
  Polyplectron malacense (Scopoli, 1786) -- valid -- Éperonnier malais, Espolonero malayo, faisão-pavão-malaio, Malay Peacock-pheasant, Malayan Peacock Pheasant, Malayan Peacock-Pheasant
  Polyplectron napoleonis R. Lesson, 1831 -- valid -- Éperonnier napoléon, Espolonero de Palawan, faisão-pavão-da-palawan, Palawan Peacock Pheasant, Palawan Peacock-Pheasant
  Polyplectron schleiermacheri Brüggemann, 1877 -- valid -- Éperonnier de Bornéo, Espolonero de Borneo, faisão-pavão-de-bornéu, Bornean Peacock Pheasant, Bornean Peacock-Pheasant
  Polysticta Eyton, 1836 -- valid -- Steller's Eiders
  Polysticta stelleri (Pallas, 1769) -- valid -- Steller's Eider, Eider de Steller, Éider menor, êider-de-steller
  Polystictus Reichenbach, 1850 -- valid
  Polystictus pectoralis (Vieillot, 1817) -- valid -- Bearded Tachuri
  Polystictus superciliaris (Wied-Neuwied, 1831) -- valid -- Grey-backed Tachuri
  Polytelis Wagler, 1832 -- valid
  Polytelis alexandrae Gould, 1863 -- valid -- Princess Parrot, Perruche d'Alexandra, Perico princesa, periquito-princesa
  Polytelis anthopeplus (Lear, 1831) -- valid -- Regent Parrot, Perruche mélanure, Perico regente, periquito-regente
  Polytelis swainsonii (Desmarest, 1826) -- valid -- Superb Parrot, Perruche de Barraband, Perico soberbio, periquito-soberbo
  Polytmus Brisson, 1760 -- valid
  Polytmus guainumbi (Pallas, 1764) -- valid -- White-tailed Goldenthroat
  Polytmus milleri (Chapman, 1929) -- valid -- Tepui Goldenthroat
  Polytmus theresiae (Da Silva Maia, 1843) -- valid -- Green-tailed Goldenthroat
  Pomarea Bonaparte, 1854 -- valid
  Pomarea dimidiata (Hartlaub & Finsch, 1871) -- valid -- Rarotonga Monarch
  Pomarea iphis Murphy & Mathews, 1928 -- valid -- Iphis Monarch
  Pomarea mendozae (Hartlaub, 1854) -- valid -- Marquesan Monarch
  Pomarea nigra (Sparrman, 1786) -- valid -- Tahiti Monarch, Tahiti flycatcher
  Pomarea whitneyi Murphy & Mathews, 1928 -- valid -- Fatuhiva Monarch
  Pomatorhinus Horsfield, 1821 -- valid
  Pomatorhinus erythrocnemis Gould, 1863 -- valid -- Spot-breasted Scimitar Babbler
  Pomatorhinus erythrogenys Vigors, 1832 -- valid -- Rusty-cheeked Scimitar Babbler
  Pomatorhinus ferruginosus Blyth, 1845 -- valid -- Coral-billed Scimitar Babbler
  Pomatorhinus horsfieldii Sykes, 1832 -- valid -- Indian Scimitar Babbler
  Pomatorhinus hypoleucos (Blyth, 1844) -- valid -- Large Scimitar Babbler
  Pomatorhinus montanus Horsfield, 1821 -- valid -- Chestnut-backed Scimitar Babbler
  Pomatorhinus ochraceiceps Walden, 1873 -- valid -- Red-billed Scimitar Babbler
  Pomatorhinus ruficollis Hodgson, 1836 -- valid -- Streak-breasted Scimitar Babbler
  Pomatorhinus schisticeps Hodgson, 1836 -- valid -- White-browed Scimitar Babbler
  Pomatostomidae Schodde, 1975 -- valid
  Pomatostomus Cabanis, 1850 -- valid
  Pomatostomus halli Cowles, 1964 -- valid -- Hall's Babbler
  Pomatostomus isidorei (Lesson, 1827) -- invalid
  Pomatostomus ruficeps (Hartlaub, 1852) -- valid -- Chestnut-crowned Babbler
  Pomatostomus superciliosus (Vigors & Horsfield, 1827) -- valid -- White-browed Babbler
  Pomatostomus temporalis (Vigors & Horsfield, 1827) -- valid -- Grey-crowned Babbler
  Pooecetes S. F. Baird, 1858 -- valid -- Vesper Sparrows
  Pooecetes gramineus (J. F. Gmelin, 1789) -- valid -- Chingolo coliblanco, Gorrión cola blanca, Vesper Sparrow, bruant vespéral
  Poospiza Cabanis, 1847 -- valid
  Poospiza alticola Salvin, 1895 -- invalid -- Plain-tailed Warbling Finch
  Poospiza baeri (Oustalet, 1904) -- valid -- Tucuman Mountain Finch, Chipiu du Tucuman, Monterita de Tucumán, Tucuman Mountain-finch
  Poospiza boliviana Sharpe, 1888 -- valid -- Bolivian Warbling Finch, Chipiu de Bolivie, Monterita boliviana, Bolivian Warbling-finch
  Poospiza caesar P. L. Sclater & Salvin, 1869 -- invalid -- Chestnut-breasted Mountain Finch
  Poospiza cinerea Bonaparte, 1850 -- invalid -- Cinereous Warbling Finch
  Poospiza erythrophrys P. L. Sclater, 1881 -- invalid -- Rusty-browed Warbling Finch
  Poospiza garleppi (Berlepsch, 1893) -- valid -- Cochabamba Mountain Finch, Chipiu de Cochabamba, Monterita de Cochabamba, Cochabamba Mountain-finch
  Poospiza hispaniolensis Bonaparte, 1850 -- valid -- Collared Warbling Finch, Chipiu à col noir, Monterita collareja, Collared Warbling-finch
  Poospiza hypochondria (d'Orbigny & Lafresnaye, 1837) -- invalid -- Rufous-sided Warbling Finch
  Poospiza lateralis (Nordmann, 1835) -- invalid -- Red-rumped Warbling Finch, Buff-throated Warbling Finch
  Poospiza melanoleuca (d'Orbigny & Lafresnaye, 1837) -- invalid -- Black-capped Warbling Finch
  Poospiza nigrorufa (d'Orbigny & Lafresnaye, 1837) -- valid -- Black-and-rufous Warbling Finch, Chipiu noiroux, Monterita sietevestidos pampera, quem-te-vestiu, Black-and-rufous Warbling-finch
  Poospiza ornata (Landbeck, 1865) -- valid -- Cinnamon Warbling Finch, Chipiu cannelle, Monterita canela, Cinnamon Warbling-finch
  Poospiza rubecula Salvin, 1895 -- valid -- Rufous-breasted Warbling Finch, Chipiu rougegorge, Monterita pechirrufa, Rufous-breasted Warbling-finch
  Poospiza thoracica (Nordmann, 1835) -- invalid -- Bay-chested Warbling Finch
  Poospiza torquata (d'Orbigny & Lafresnaye, 1837) -- invalid -- Ringed Warbling Finch
  Poospiza whitii P. L. Sclater, 1883 -- valid -- Black-and-chestnut Warbling Finch, Chipiu noiron, Monterita sietevestidos andina, Black-and-chestnut Warbling-finch
  Popelairia Reichenbach, 1854 -- invalid
  Porphyrio Brisson, 1760 -- valid -- Swamphens
  Porphyrio albus (Shaw, 1790) -- valid
  Porphyrio alleni Thomson, 1842 -- valid -- Allen's Gallinule
  Porphyrio flavirostris (Gmelin, 1789) -- valid -- Azure Gallinule
  Porphyrio mantelli (Owen, 1848) -- valid
  Porphyrio martinicus (Linnaeus, 1766) -- invalid
  Porphyrio porphyrio (Linnaeus, 1758) -- valid -- Purple Swamphen
  Porphyrolaema Bonaparte, 1854 -- valid
  Porphyrolaema porphyrolaema (Deville & P. L. Sclater, 1852) -- valid -- Purple-throated Cotinga
  Porphyrospiza P. L. Sclater & Salvin, 1873 -- valid
  Porphyrospiza caerulescens (Wied-Neuwied, 1830) -- valid -- Blue Finch, Porphyrin à bec jaune, Yal azul, campainha-azul
  Porzana Vieillot, 1816 -- valid -- Soras
  Porzana albicollis (Vieillot, 1819) -- valid -- Ash-throated Crake
  Porzana atra North, 1908 -- valid -- Red-eyed Crake
  Porzana carolina (Linnaeus, 1758) -- valid -- Polluela sora, Sora, marouette de Caroline
  Porzana cinerea (Vieillot, 1819) -- valid -- White-browed Crake
  Porzana flaviventer (Boddaert, 1783) -- valid -- Yellow-breasted Crake, Polluela pecho amarillo
  Porzana fluminea Gould, 1843 -- valid -- Australian Crake
  Porzana fusca (Linnaeus, 1766) -- valid -- Ruddy-breasted Crake
  Porzana monasa (Kittlitz, 1858) -- valid -- Kosrae Rail
  Porzana palmeri (Frohawk, 1892) -- valid -- Laysan Rail
  Porzana parva (Scopoli, 1769) -- valid -- Little Crake
  Porzana paykullii (Ljungh, 1813) -- valid -- Band-bellied Crake
  Porzana porzana (Linnaeus, 1766) -- valid -- Spotted Crake
  Porzana pusilla (Pallas, 1776) -- valid -- Baillon's Crake
  Porzana sandwichensis (Gmelin, 1789) -- valid -- Hawaiian Rail
  Porzana spiloptera Durnford, 1877 -- valid -- Dot-winged Crake
  Porzana tabuensis (Gmelin, 1789) -- valid -- Sooty Rail, Spotless Crake
  Premnoplex Cherrie, 1891 -- valid
  Premnoplex brunnescens (P. L. Sclater, 1856) -- valid -- Spotted Barbtail
  Premnoplex tatei Chapman, 1925 -- valid -- White-throated Barbtail
  Premnornis Ridgway, 1909 -- valid
  Premnornis guttuligera (P. L. Sclater, 1864) -- valid -- Rusty-winged Barbtail
  Prinia Horsfield, 1821 -- valid
  Prinia atrogularis (Moore, 1854) -- valid -- Hill Prinia
  Prinia bairdii (Cassin, 1855) -- valid -- Banded Prinia
  Prinia buchanani Blyth, 1844 -- valid -- Rufous-fronted Prinia
  Prinia burnesii (Blyth, 1844) -- invalid -- Rufous-vented Prinia
  Prinia cinereocapilla Moore, 1854 -- valid -- Grey-crowned Prinia
  Prinia criniger Hodgson, 1836 -- invalid
  Prinia familiaris Horsfield, 1821 -- valid -- Bar-winged Prinia
  Prinia flavicans (Vieillot, 1821) -- valid -- Black-chested Prinia
  Prinia flaviventris (Delessert, 1840) -- valid -- Yellow-bellied Prinia
  Prinia fluviatilis Chappuis, 1974 -- valid -- River Prinia
  Prinia gracilis (Lichtenstein, 1823) -- valid -- Graceful Prinia
  Prinia hodgsonii Blyth, 1844 -- valid -- Grey-breasted Prinia
  Prinia inornata Sykes, 1832 -- valid -- Plain Prinia
  Prinia leontica Bates, 1930 -- invalid
  Prinia leucopogon (Cabanis, 1875) -- invalid
  Prinia maculosa (Boddaert, 1783) -- valid -- Karoo Prinia
  Prinia melanops (Reichenow & Neumann, 1895) -- valid -- Black-faced Prinia
  Prinia molleri Bocage, 1887 -- valid -- Sao Tome Prinia
  Prinia polychroa (Temminck, 1828) -- valid -- Brown Prinia
  Prinia rufescens Blyth, 1847 -- valid -- Rufescent Prinia
  Prinia socialis Sykes, 1832 -- valid -- Ashy Prinia
  Prinia somalica (Elliot, 1897) -- valid -- Pale Prinia
  Prinia subflava (Gmelin, 1789) -- valid -- Tawny-flanked Prinia
  Prinia sylvatica Jerdon, 1840 -- valid -- Jungle Prinia
  Prioniturus Wagler, 1832 -- valid
  Prioniturus discurus (Vieillot, 1822) -- valid -- Blue-crowned Racket-tail, Blue-crowned Racquet-tail, Palette à couronne bleue, Lorito momoto coroniazul
  Prioniturus flavicans Cassin, 1853 -- valid -- Yellow-breasted Racket-tail, Yellow-breasted Racquet-tail, Palette de Cassin, Lorito momoto amarillento
  Prioniturus luconensis Steere, 1890 -- valid -- Green Racket-tail, Green Racquet-tail, Palette verte, Lorito momoto de Luzón
  Prioniturus mada Hartert, 1900 -- valid -- Buru Racket-tail, Buru Racquet-tail, Palette de Buru, Lorito momoto de Buru
  Prioniturus montanus Ogilvie-Grant, 1895 -- valid -- Montane Racket-tail, Luzon Montane Racquet-tail, Montane Racquet-tail, Luzon Racquet-tail, Palette momot, Lorito momoto montano
  Prioniturus platenae W. Blasius, 1888 -- valid -- Blue-headed Racket-tail, Blue-headed Racquet-tail, Palette de Palawan, Lorito momoto de Palawan
  Prioniturus platurus (Vieillot, 1818) -- valid -- Golden-mantled Racket-tail, Golden-mantled Racquet-tail, Palette à manteau d'or, Lorito momoto dorsidorado
  Prioniturus verticalis Sharpe, 1893 -- valid -- Blue-winged Racket-tail, Blue-winged Racquet-tail, Sulu Racquet-tail, Palette des Sulu, Lorito momoto de las Sulu
  Prioniturus waterstradti Rothschild, 1904 -- valid -- Mindanao Racket-tail, Mindanao Montane Racquet-tail, Mindanao Racquet-tail, Palette de Mindanao, Lorito momoto de Mindanao
  Prionochilus Strickland, 1841 -- valid
  Prionochilus maculatus (Temminck, 1836) -- valid -- Yellow-breasted Flowerpecker
  Prionochilus olivaceus Tweeddale, 1877 -- valid -- Olive-backed Flowerpecker
  Prionochilus percussus (Temminck, 1826) -- valid -- Crimson-breasted Flowerpecker
  Prionochilus plateni W. Blasius, 1888 -- valid -- Palawan Flowerpecker
  Prionochilus thoracicus (Temminck, 1836) -- valid -- Scarlet-breasted Flowerpecker
  Prionochilus xanthopygius Salvadori, 1868 -- valid -- Yellow-rumped Flowerpecker
  Prionodura De Vis, 1883 -- valid
  Prionodura newtoniana De Vis, 1883 -- valid -- Golden Bowerbird
  Prionops Vieillot, 1816 -- valid
  Prionops alberti Schouteden, 1933 -- valid -- Yellow-crested Helmetshrike
  Prionops caniceps (Bonaparte, 1850) -- valid -- Red-billed Helmetshrike
  Prionops gabela Rand, 1957 -- valid -- Gabela Helmetshrike
  Prionops plumatus (Shaw, 1809) -- valid -- White-crested Helmetshrike
  Prionops poliolophus Fischer & Reichenow, 1884 -- valid -- Grey-crested Helmetshrike
  Prionops retzii Wahlberg, 1856 -- valid -- Retz's Helmetshrike
  Prionops rufiventris (Bonaparte, 1853) -- valid -- Rufous-bellied Helmetshrike
  Prionops scopifrons (W. Peters, 1854) -- valid -- Chestnut-fronted Helmetshrike
  Priotelus G. R. Gray, 1840 -- valid
  Priotelus roseigaster (Vieillot, 1817) -- valid -- Hispaniolan Trogon, Trogón de La Española, Trogon damoiseau
  Priotelus temnurus (Temminck, 1825) -- valid -- Cuban Trogon, Trogón tocororo, Trogon de Cuba
  Probosciger Kuhl, 1820 -- valid
  Probosciger aterrimus (J. F. Gmelin, 1788) -- valid -- Palm Cockatoo, Cacatoès noir, Cacatúa enlutada, cacatua-das-palmeiras
  Procellaria Linnaeus, 1758 -- valid
  Procellaria aequinoctialis Linnaeus, 1758 -- valid -- White-chinned Petrel, Puffin à menton blanc
  Procellaria cinerea Gmelin, 1789 -- valid -- Pediunker, Grey Petrel
  Procellaria parkinsoni G. R. Gray, 1862 -- valid -- Petrel de Parkinson, Black Petrel, Parkinson's Petrel, Puffin de Parkinson
  Procellaria westlandica Falla, 1946 -- valid -- Westland Petrel
  Procellariidae Leach, 1820 -- valid -- fulmars, pétrels, Fulmars, Petrels, Shearwaters
  Procelsterna Lafresnaye, 1842 -- invalid -- Blue-gray Noddys
  Procelsterna cerulea (F. D. Bennett, 1840) -- invalid -- Blue-gray Noddy, Blue Noddy, Noddi bleu
  Procnias Illiger, 1811 -- valid
  Procnias alba (Hermann, 1783) -- invalid
  Procnias averano (Hermann, 1783) -- valid -- Bearded Bellbird
  Procnias nudicollis (Vieillot, 1817) -- valid -- Bare-throated Bellbird
  Procnias tricarunculata (J. Verreaux & E. Verreaux, 1853) -- invalid
  Prodotiscus Sundevall, 1850 -- valid
  Prodotiscus insignis (Cassin, 1856) -- valid -- Cassin's Honeybird
  Prodotiscus regulus Sundevall, 1850 -- valid -- Brown-backed Honeybird
  Prodotiscus zambesiae Shelley, 1894 -- valid -- Green-backed Honeybird
  Progne F. Boie, 1826 -- valid
  Progne chalybea (Gmelin, 1789) -- valid -- Gray-breasted Martin, Golondrina acerada, Grey-breasted Martin
  Progne cryptoleuca S. F. Baird, 1865 -- valid -- Cuban Martin
  Progne dominicensis (Gmelin, 1789) -- valid -- Caribbean Martin
  Progne modesta Gould, 1839 -- valid -- Galapagos Martin
  Progne sinaloae Nelson, 1898 -- valid -- Golondrina sinaloense, Sinaloa Martin
  Progne subis (Linnaeus, 1758) -- valid -- Golondrina azulnegra, Purple Martin, hirondelle noire
  Progne tapera (Linnaeus, 1766) -- valid -- Brown-chested Martin
  Promerops Brisson, 1760 -- valid
  Promerops cafer (Linnaeus, 1758) -- valid -- Cape Sugarbird
  Promerops gurneyi J. Verreaux, 1871 -- valid -- Gurney's Sugarbird
  Prosobonia Bonaparte, 1850 -- valid
  Prosobonia cancellata (J. F. Gmelin, 1789) -- valid -- Kiritimati Sandpiper, Bécasseau de Kiritimati, Andarríos de Tuamotu, maçarico-de-tuamotu
  Prosobonia leucoptera (J. F. Gmelin, 1789) -- valid -- Tahiti Sandpiper, Bécasseau à ailes blanches, Andarríos de Tahití, maçarico-do-tahiti, White-winged Sandpiper
  Prosopeia Bonaparte, 1854 -- valid
  Prosopeia personata (G. R. Gray, 1848) -- valid -- Masked Shining Parrot, Masked Shining-parrot, Perruche masquée, Papagayo enmascarado
  Prosopeia splendens (Peale, 1849) -- valid -- Crimson Shining Parrot, Crimson Shining-parrot, Perruche écarlate, Papagayo escarlata, Kadavu Shining Parrot
  Prosopeia tabuensis (J. F. Gmelin, 1788) -- valid -- Maroon Shining Parrot, Maroon Shining-parrot, Red Shining-Parrot, Perruche pompadour, Papagayo granate, Red Shining Parrot
  Prosthemadera G. R. Gray, 1840 -- valid
  Prosthemadera novaeseelandiae (J. F. Gmelin, 1788) -- valid -- Tui, Méliphage tui, Mielero tui
  Protonotaria S. F. Baird, 1858 -- valid -- Prothonotary Warblers
  Protonotaria citrea (Boddaert, 1783) -- valid -- Chipe dorado, Paruline orangée, Prothonotary Warbler
  Prunella Vieillot, 1816 -- valid -- Accentors
  Prunella atrogularis (Brandt, 1843) -- valid -- Black-throated Accentor
  Prunella collaris (Scopoli, 1769) -- valid -- Alpine Accentor
  Prunella fagani (Ogilvie-Grant, 1913) -- valid -- Arabian Accentor
  Prunella fulvescens (Severtzov, 1873) -- valid -- Brown Accentor
  Prunella himalayana (Blyth, 1842) -- valid -- Altai Accentor
  Prunella immaculata (Hodgson, 1845) -- valid -- Maroon-backed Accentor
  Prunella koslowi (Prjevalsky, 1887) -- valid -- Kozlov's Accentor
  Prunella modularis (Linnaeus, 1758) -- valid -- Dunnock
  Prunella montanella (Pallas, 1776) -- valid -- Siberian Accentor
  Prunella ocularis (Radde, 1884) -- valid -- Radde's Accentor
  Prunella rubeculoides (Moore, 1854) -- valid -- Robin Accentor
  Prunella rubida (Temminck & Schlegel, 1845) -- valid -- Japanese Accentor
  Prunella strophiata (Blyth, 1843) -- valid -- Rufous-breasted Accentor
  Psalidoprocne Cabanis, 1850 -- valid
  Psalidoprocne albiceps P. L. Sclater, 1864 -- valid -- White-headed Saw-wing
  Psalidoprocne antinorii Salvadori, 1884 -- invalid
  Psalidoprocne chalybea Reichenow, 1892 -- invalid
  Psalidoprocne fuliginosa Shelley, 1887 -- valid -- Mountain Saw-wing
  Psalidoprocne holomelas (Sundevall, 1850) -- invalid
  Psalidoprocne mangbettorum Chapin, 1923 -- invalid
  Psalidoprocne nitens (Cassin, 1857) -- valid -- Square-tailed Saw-wing
  Psalidoprocne obscura (Hartlaub, 1855) -- valid -- Fanti Saw-wing
  Psalidoprocne oleaginea Neumann, 1904 -- invalid
  Psalidoprocne orientalis Reichenow, 1889 -- invalid
  Psalidoprocne petiti Sharpe & Bouvier, 1876 -- invalid
  Psalidoprocne pristoptera (Rüppell, 1840) -- valid -- Black Saw-wing
  Psaltria Temminck, 1836 -- valid
  Psaltria exilis Temminck, 1836 -- valid -- Pygmy Bushtit
  Psaltriparus Bonaparte, 1850 -- valid -- Bushtits
  Psaltriparus minimus (J. K. Townsend, 1837) -- valid -- Bushtit, Sastrecillo, American Bushtit
  Psarisomus Swainson, 1837 -- valid
  Psarisomus dalhousiae (Jameson, 1835) -- valid -- Long-tailed Broadbill
  Psarocolius Wagler, 1827 -- valid
  Psarocolius angustifrons (Spix, 1824) -- valid -- Russet-backed Oropendola
  Psarocolius atrovirens (Orbigny & Lafresnaye, 1838) -- valid -- Dusky-green Oropendola
  Psarocolius decumanus (Pallas, 1769) -- valid -- Crested Oropendola
  Psarocolius oseryi (Deville, 1849) -- valid -- Casqued Oropendola
  Psarocolius viridis (Statius Muller, 1776) -- valid -- Green Oropendola
  Psarocolius wagleri (G. R. Gray, 1845) -- valid -- Oropéndola cabeza castaña, Chestnut-headed Oropendola
  Pselliophorus Ridgway, 1898 -- invalid
  Pselliophorus luteoviridis Griscom, 1924 -- invalid -- Yellow-green Finch
  Pselliophorus tibialis (Lawrence, 1864) -- invalid -- Yellow-thighed Finch
  Psephotus Gould, 1845 -- valid
  Psephotus chrysopterygius Gould, 1858 -- invalid -- Golden-shouldered Parrot, Golden-shouldered Parakeet
  Psephotus dissimilis Collett, 1898 -- invalid -- Hooded Parrot
  Psephotus haematonotus (Gould, 1838) -- valid -- Red-rumped Parrot, Perruche à croupion rouge, Perico dorsirrojo, periquito-dorso-vermelho
  Psephotus pulcherrimus (Gould, 1845) -- invalid -- Beautiful Parakeet, Paradise Parakeet
  Psephotus varius A. H. Clark, 1910 -- invalid -- Mulga Parrot
  Pseudalaemon Lort Phillips, 1898 -- valid
  Pseudalaemon fremantlii (Lort Phillips, 1897) -- valid -- Short-tailed Lark
  Pseudelaenia W. Lanyon, 1988 -- valid
  Pseudelaenia leucospodia (Taczanowski, 1877) -- valid -- Grey-and-white Tyrannulet
  Pseudeos J. L. Peters, 1935 -- valid
  Pseudeos fuscata (Blyth, 1858) -- valid -- Dusky Lory, Lori sombre, Lori sombrío, lóris-dusky
  Pseudibis Hodgson, 1844 -- valid
  Pseudibis davisoni (Hume, 1875) -- valid -- White-shouldered Ibis
  Pseudibis gigantea (Oustalet, 1877) -- valid -- Giant Ibis
  Pseudibis papillosa (Temminck, 1824) -- valid -- Red-naped Ibis
  Pseudobias Sharpe, 1870 -- valid
  Pseudobias wardi Sharpe, 1870 -- valid -- Ward's Flycatcher
  Pseudobulweria Mathews, 1936 -- valid
  Pseudobulweria aterrima (Bonaparte, 1857) -- valid -- Mascarene Petrel
  Pseudobulweria becki (Murphy, 1928) -- valid -- Beck's Petrel
  Pseudobulweria macgillivrayi (G. R. Gray, 1860) -- valid -- Fiji Petrel
  Pseudobulweria rostrata (Peale, 1848) -- valid -- Tahiti Petrel, Petrel de Tahití
  Pseudocalyptomena Rothschild, 1909 -- valid
  Pseudocalyptomena graueri Rothschild, 1909 -- valid -- Grauer's Broadbill
  Pseudochelidon Hartlaub, 1861 -- valid
  Pseudochelidon eurystomina Hartlaub, 1861 -- valid -- African River Martin
  Pseudochelidon sirintarae Thonglongya, 1968 -- valid -- White-eyed River Martin
  Pseudocolaptes Reichenbach, 1853 -- valid
  Pseudocolaptes boissonneautii (Lafresnaye, 1840) -- valid -- Streaked Tuftedcheek
  Pseudocolaptes lawrencii Ridgway, 1878 -- valid -- Buffy Tuftedcheek
  Pseudocolopteryx Lillo, 1905 -- valid
  Pseudocolopteryx acutipennis (P. L. Sclater & Salvin, 1873) -- valid -- Subtropical Doradito
  Pseudocolopteryx dinellianus Lillo, 1905 -- invalid
  Pseudocolopteryx flaviventris (Orbigny & Lafresnaye, 1837) -- valid -- Warbling Doradito
  Pseudocolopteryx sclateri (Oustalet, 1892) -- valid -- Crested Doradito
  Pseudocossyphus Sharpe, 1883 -- invalid
  Pseudocossyphus bensoni (Farkas, 1971) -- invalid -- Benson's Rock Thrush
  Pseudocossyphus imerinus (Hartlaub, 1860) -- invalid
  Pseudocossyphus sharpei (G. R. Gray, 1871) -- invalid -- Forest Rock Thrush
  Pseudodacnis P. L. Sclater, 1886 -- invalid
  Pseudodacnis hartlaubi (P. L. Sclater, 1855) -- invalid
  Pseudoleistes P. L. Sclater, 1862 -- valid
  Pseudoleistes guirahuro (Vieillot, 1819) -- valid -- Yellow-rumped Marshbird
  Pseudoleistes virescens (Vieillot, 1819) -- valid -- Brown-and-yellow Marshbird
  Pseudonestor Rothschild, 1893 -- valid -- Pseudonestors
  Pseudonestor xanthophrys Rothschild, 1893 -- valid -- Maui Honeycreeper, Maui Parrotbill, Kiwikiu
  Pseudonigrita Reichenow, 1903 -- valid
  Pseudonigrita arnaudi (Bonaparte, 1850) -- valid -- Grey-capped Social Weaver
  Pseudonigrita cabanisi (Fischer & Reichenow, 1884) -- valid -- Black-capped Social Weaver
  Pseudopodoces Zarudny & Loudon, 1902 -- valid
  Pseudopodoces humilis (Hume, 1871) -- valid
  Pseudoscops Kaup, 1848 -- valid
  Pseudoscops clamator (Vieillot, 1808) -- valid -- Striped Owl
  Pseudoscops grammicus (Gosse, 1847) -- valid -- Jamaican Owl
  Pseudoseisura Reichenbach, 1853 -- valid
  Pseudoseisura cristata (Spix, 1824) -- valid -- Caatinga Cacholote
  Pseudoseisura gutturalis (Orbigny & Lafresnaye, 1838) -- valid -- White-throated Cacholote
  Pseudoseisura lophotes (Reichenbach, 1853) -- valid -- Brown Cacholote
  Pseudotriccus Taczanowski & Berlepsch, 1885 -- valid
  Pseudotriccus pelzelni Taczanowski & Berlepsch, 1885 -- valid -- Bronze-olive Pygmy-Tyrant, Bronze-olive Pygmy Tyrant
  Pseudotriccus ruficeps (Lafresnaye, 1843) -- valid -- Rufous-headed Pygmy Tyrant
  Pseudotriccus simplex (Berlepsch, 1901) -- valid -- Hazel-fronted Pygmy Tyrant
  Psilopogon S. Müller, 1836 -- valid
  Psilopogon pyrolophus S. Müller, 1836 -- valid -- Fire-tufted Barbet
  Psilorhamphus P. L. Sclater, 1855 -- valid
  Psilorhamphus guttatus (Ménétriés, 1835) -- valid -- Spotted Bamboowren
  Psilorhinus Rüppell, 1837 -- valid
  Psilorhinus morio (Wagler, 1829) -- valid
  Psittacella Schlegel, 1871 -- valid
  Psittacella brehmii Schlegel, 1871 -- valid -- Brehm's Tiger Parrot, Brehm's Tiger-parrot, Perruche de Brehm, Lorito tigre de Brehm
  Psittacella madaraszi A. B. Meyer, 1886 -- valid -- Madarasz's Tiger Parrot, Madarasz's Tiger-parrot, Perruche de Madarasz, Lorito tigre de Madarasz
  Psittacella modesta Schlegel, 1871 -- valid -- Modest Tiger Parrot, Modest Tiger-parrot, Perruche modeste, Lorito tigre modesto
  Psittacella picta Rothschild, 1896 -- valid -- Painted Tiger Parrot, Painted Tiger-parrot, Perruche peinte, Lorito tigre pintado
  Psittacidae -- valid -- Macaws, Parrots, aras, perroquets
  Psittaciformes -- valid -- Parrots, perroquets
  Psittacula Cuvier, 1800 -- valid -- Rose-ringed Parakeets
  Psittacula alexandri (Linnaeus, 1758) -- valid -- Red-breasted Parakeet, Perruche à moustaches, Cotorra pechirroja, periquito-de-bigode
  Psittacula calthropae (Blyth, 1849) -- invalid -- Layard's Parakeet
  Psittacula caniceps (Blyth, 1846) -- valid -- Nicobar Parakeet, Perruche des Nicobar, Cotorra de Nicobar, periquito-de-nicobar
  Psittacula columboides (Vigors, 1830) -- valid -- Blue-winged Parakeet, Malabar Parakeet, Perruche de Malabar, Cotorra de Malabar, periquito-de-malabar
  Psittacula cyanocephala (Linnaeus, 1766) -- valid -- Plum-headed Parakeet, Perruche à tête prune, Cotorra cabeciazul, periquito-cabeça-de-ameixa
  Psittacula derbiana (Fraser, 1852) -- valid -- Lord Derby's Parakeet, Derbyan Parakeet, Perruche de Derby, Cotorra de Derby, periquito-da-china
  Psittacula echo (A. Newton & E. Newton, 1876) -- invalid -- Mauritius Parakeet, Echo Parakeet
  Psittacula eupatria (Linnaeus, 1766) -- valid -- Alexandrine Parakeet, Perruche alexandre, Cotorra alejandrina, periquito-grande-alexandre
  Psittacula exsul (A. Newton, 1872) -- valid -- Newton's Parakeet, Rodrigues Parakeet, Perruche de Newton, Cotorra de Rodrigues, periquito-de-rodriguez
  Psittacula finschii (Hume, 1874) -- valid -- Grey-headed Parakeet, Gray-headed Parakeet, Perruche de Finsch, Cotorra de Finsch, periquito-de-cabeça-cinza
  Psittacula himalayana (R. Lesson, 1831) -- valid -- Slaty-headed Parakeet, Perruche de l'Himalaya, Cotorra del Himalaya, periquito-himalayana
  Psittacula intermedia (Rothschild, 1895) -- invalid -- Rothschild's Parakeet
  Psittacula krameri (Scopoli, 1769) -- valid -- Rose-ringed Parakeet, Perruche à collier, Cotorra de Kramer, periquito-rabijunco
  Psittacula longicauda (Boddaert, 1783) -- valid -- Long-tailed Parakeet, Perruche à longs brins, Cotorra colilarga, periquito-mustache-cauda-longa
  Psittacula roseata Biswas, 1951 -- valid -- Blossom-headed Parakeet, Perruche à tête rose, Cotorra carirrosa, periquito-de-cabeça-rosa
  Psittacula wardi (E. Newton, 1867) -- valid -- Seychelles Parakeet, Perruche des Seychelles, Cotorra de Seychelles, periquito-das-seychelles
  Psittaculirostris J. E. Gray & G. R. Gray, 1859 -- valid
  Psittaculirostris desmarestii (Desmarest, 1826) -- valid -- Flame-headed Fig Parrot, Large Fig Parrot, Large Fig-parrot, Psittacule de Desmarest, Lorito de Desmarest, lóris-da-cabeça-dourada-de-desmarest
  Psittaculirostris edwardsii (Oustalet, 1885) -- valid -- Scarlet-cheeked Fig Parrot, Edwards's Fig Parrot, Edwards's Fig-parrot, Psittacule d'Edwards, Lorito de Edwards
  Psittaculirostris salvadorii (Oustalet, 1880) -- valid -- Yellow-cheeked Fig Parrot, Salvadori's Fig Parrot, Salvadori's Fig-parrot, Psittacule de Salvadori, Lorito de Salvadori, papagaio-dos-figos-de-salvador
  Psittacus Linnaeus, 1758 -- valid
  Psittacus erithacus Linnaeus, 1758 -- valid -- Grey Parrot, Gray Parrot, Perroquet jaco, Loro yaco, papagaio-cinzento
  Psitteuteles Bonaparte, 1854 -- valid
  Psitteuteles goldiei (Sharpe, 1882) -- invalid -- Goldie's Lorikeet, Loriquet de Goldie, Lori de Goldie, lóris-de-goldie
  Psitteuteles iris (Temminck, 1835) -- invalid -- Iris Lorikeet, Loriquet iris, Lori iris, lóris-íris
  Psitteuteles versicolor (Lear, 1831) -- valid -- Varied Lorikeet, Loriquet versicolore, Lori versicolor, lóris-versicolor
  Psittinus Blyth, 1842 -- valid
  Psittinus cyanurus (J. R. Forster, 1795) -- valid -- Blue-rumped Parrot, Perruche à croupion bleu, Lorito dorsiazul, papagaio-de-rabadilha-azul
  Psittirostra Temminck, 1820 -- valid -- 'O'us
  Psittirostra psittacea (J. F. Gmelin, 1789) -- valid -- 'O'u, Ou
  Psittrichas R. Lesson, 1831 -- valid
  Psittrichas fulgidus (R. Lesson, 1830) -- valid -- Pesquet's Parrot, Psittrichas de Pesquet, Loro aguileño, papagaio-de-pesquet
  Psophia Linnaeus, 1758 -- valid
  Psophia crepitans Linnaeus, 1758 -- valid -- Grey-winged Trumpeter
  Psophia leucoptera Spix, 1825 -- valid -- Pale-winged Trumpeter
  Psophia viridis Spix, 1825 -- valid -- Dark-winged Trumpeter
  Psophiidae -- valid -- Trumpters
  Psophocichla Cabanis, 1860 -- valid
  Psophocichla litsipsirupa (A. Smith, 1836) -- invalid
  Psophodes Vigors & Horsfield, 1827 -- valid
  Psophodes cristatus (Gould, 1838) -- valid -- Chirruping Wedgebill
  Psophodes nigrogularis Gould, 1844 -- valid -- Western Whipbird
  Psophodes occidentalis (Mathews, 1912) -- valid -- Chiming Wedgebill
  Psophodes olivaceus (Latham, 1802) -- valid -- Eastern Whipbird
  Pteridophora A. B. Meyer, 1894 -- valid
  Pteridophora alberti A. B. Meyer, 1894 -- valid -- King of Saxony Bird-of-Paradise
  Pternistis Wagler, 1832 -- valid
  Pternistis adspersus (Waterhouse, 1838) -- valid -- Red-billed Spurfowl, Francolin à bec rouge, Francolín piquirrojo, francolim-de-bico-vermelho, Red-billed Francolin
  Pternistis afer (P. L. S. Müller, 1776) -- valid -- Red-necked Spurfowl, Francolin à gorge rouge, Francolín gorjirrojo, francolim-de-gola-vermelha, Red-necked Francolin
  Pternistis ahantensis (Temminck, 1854) -- valid -- Ahanta Spurfowl, Francolin d'Ahanta, Francolín de Ahanta, francolim-ahanta, Ahanta Francolin
  Pternistis bicalcaratus (Linnaeus, 1766) -- valid -- Double-spurred Spurfowl, Francolin à double éperon, Francolín biespolado, choca, Double-spurred Francolin
  Pternistis camerunensis (Alexander, 1909) -- valid -- Mount Cameroon Spurfowl, Francolin du Cameroun, Francolín del Camerún, francolim-camaronês, Cameroon Francolin, Mount Cameroon Francolin
  Pternistis capensis (J. F. Gmelin, 1789) -- valid -- Cape Spurfowl, Francolin criard, Francolín de El Cabo, francolim-do-cabo, Cape Francolin
  Pternistis castaneicollis (Salvadori, 1888) -- valid -- Chestnut-naped Spurfowl, Francolin à cou roux, Francolín cuellicastaño, francolim-de-nuca-castanha, Chestnut-naped Francolin
  Pternistis clappertoni (Children & Vigors, 1826) -- valid -- Clapperton's Spurfowl, Francolin de Clapperton, Francolín de Clapperton, francolim-de-bigode, Clapperton's Francolin
  Pternistis erckelii (Rüppell, 1835) -- valid -- Erckel's Spurfowl, Francolin d'Erckel, Francolín de Erckel, francolim-de-sobrancelhas-pretas, Erckel's Francolin
  Pternistis griseostriatus (Ogilvie-Grant, 1890) -- valid -- Grey-striped Spurfowl, Francolin à bandes grises, Francolín angoleño, francolim-de-listras-cinzentas, Gray-striped Francolin, Grey-striped Francolin
  Pternistis hartlaubi (Barboza du Bocage, 1869) -- valid -- Hartlaub's Spurfowl, Francolin de Hartlaub, Francolín de Hartlaub, francolim-de-hartlaub, Hartlaub's Francolin
  Pternistis harwoodi (Blundell & Lovat, 1899) -- valid -- Harwood's Spurfowl, Francolin de Harwood, Francolín de Harwood, francolim-etíope, Harwood's Francolin
  Pternistis hildebrandti (Cabanis, 1878) -- valid -- Hildebrandt's Spurfowl, Francolin de Hildebrandt, Francolín de Hildebrandt, francolim-de-barriga-branca, Hildebrandt's Francolin
  Pternistis icterorhynchus (Heuglin, 1863) -- valid -- Heuglin's Spurfowl, Francolin à bec jaune, Francolín piquigualdo, francolim-de-bico-amarelo, Yellow-billed Francolin, Heuglin's Francolin
  Pternistis jacksoni (Ogilvie-Grant, 1891) -- valid -- Jackson's Spurfowl, Francolin de Jackson, Francolín de Jackson, francolim-de-jackson, Jackson's Francolin
  Pternistis leucoscepus (G. R. Gray, 1867) -- valid -- Yellow-necked Spurfowl, Francolin à cou jaune, Francolín gorjiamarillo, francolim-de-pescoço-amarelo
  Pternistis nahani (A. J. C. Dubois, 1905) -- invalid
  Pternistis natalensis (A. Smith, 1833) -- valid -- Natal Spurfowl, Francolin du Natal, Francolín de Natal, francolim-do-natal, Natal Francolin
  Pternistis nobilis (Reichenow, 1908) -- valid -- Handsome Spurfowl, Francolin noble, Francolín noble, francolim-nobre, Handsome Francolin
  Pternistis ochropectus (Dorst & Jouanin, 1952) -- valid -- Djibouti Spurfowl, Francolin somali, Francolín de Yibuti, francolim-de-cara-preta, Djibouti Francolin
  Pternistis rufopictus Reichenow, 1887 -- valid -- Grey-breasted Spurfowl, Francolin à poitrine grise, Francolín del Victoria, francolim-de-peito-cinzento, Gray-breasted Francolin, Grey-breasted Francolin
  Pternistis squamatus (Cassin, 1857) -- valid -- Scaly Spurfowl, Francolin écaillé, Francolín escamoso, francolim-escamoso, Scaly Francolin
  Pternistis swainsonii (A. Smith, 1836) -- valid -- Swainson's Spurfowl, Francolin de Swainson, Francolín de Swainson, francolim-de-swainson, Swainson's Francolin
  Pternistis swierstrai (Roberts, 1929) -- valid -- Swierstra's Spurfowl, Francolin de Swierstra, Francolín de Swierstra, francolim-de-colar-preto, Swierstra's Francolin
  Pterocles Temminck, 1815 -- valid -- Sandgrouse
  Pterocles alchata (Linnaeus, 1766) -- valid -- Pin-tailed Sandgrouse
  Pterocles bicinctus Temminck, 1815 -- valid -- Double-banded Sandgrouse
  Pterocles burchelli W. L. Sclater, 1922 -- valid -- Burchell's Sandgrouse
  Pterocles coronatus Lichtenstein, 1823 -- valid -- Crowned Sandgrouse
  Pterocles decoratus Cabanis, 1868 -- valid -- Black-faced Sandgrouse
  Pterocles exustus Temminck, 1825 -- valid -- Chestnut-bellied Sandgrouse, Ganga à ventre brun
  Pterocles gutturalis A. Smith, 1836 -- valid -- Yellow-throated Sandgrouse
  Pterocles indicus (Gmelin, 1789) -- valid -- Painted Sandgrouse
  Pterocles lichtensteinii Temminck, 1825 -- valid -- Lichtenstein's Sandgrouse
  Pterocles namaqua (Gmelin, 1789) -- valid -- Namaqua Sandgrouse
  Pterocles orientalis (Linnaeus, 1758) -- valid -- Black-bellied Sandgrouse
  Pterocles personatus Gould, 1843 -- valid -- Madagascar Sandgrouse
  Pterocles quadricinctus Temminck, 1815 -- valid -- Four-banded Sandgrouse
  Pterocles senegallus (Linnaeus, 1771) -- valid -- Spotted Sandgrouse
  Pteroclididae -- valid -- Sandgrouse
  Pterodroma Bonaparte, 1856 -- valid
  Pterodroma alba (Gmelin, 1789) -- valid -- Phoenix Petrel
  Pterodroma arminjoniana (Giglioli & Salvadori, 1869) -- valid -- Herald Petrel, Trindade Petrel, Pétrel de la Trinité du Sud
  Pterodroma axillaris (Salvin, 1893) -- valid -- Chatham Petrel
  Pterodroma baraui (Jouanin, 1964) -- valid -- Barau's Petrel
  Pterodroma brevipes (Peale, 1848) -- valid -- Collared Petrel
  Pterodroma cahow (Nichols & Mowbray, 1916) -- valid -- Bermuda Petrel, Cahow, Pétrel des Bermudes
  Pterodroma cervicalis (Salvin, 1891) -- valid -- Pétrel à col blanc, Petrel cuello blanco, White-necked Petrel
  Pterodroma cookii (G. R. Gray, 1843) -- valid -- Pétrel de Cook, Petrel de Cook, Cook's Petrel
  Pterodroma defilippiana (Giglioli & Salvadori, 1869) -- valid -- De Filippi's Petrel
  Pterodroma externa (Salvin, 1875) -- valid -- Petrel de Juan Fernández, Juan Fernandez Petrel, Pétrel de Juan Fernandez
  Pterodroma feae (Salvadori, 1900) -- valid -- Fea's Petrel
  Pterodroma hasitata (Kuhl, 1820) -- valid -- Black-capped Petrel, Pétrel diablotin
  Pterodroma hypoleuca (Salvin, 1888) -- valid -- Bonin Petrel, Pétrel des Bonin
  Pterodroma incerta (Schlegel, 1863) -- valid -- Atlantic Petrel
  Pterodroma inexpectata (J. R. Forster, 1844) -- valid -- Mottled Petrel, Pétrel maculé
  Pterodroma lessonii (Garnot, 1826) -- valid -- White-headed Petrel
  Pterodroma leucoptera (Gould, 1844) -- valid -- Gould's Petrel
  Pterodroma longirostris (Stejneger, 1893) -- valid -- Stejneger's Petrel, Pétrel de Stejneger
  Pterodroma macroptera (A. Smith, 1840) -- valid -- Great-winged Petrel, Pétrel noir
  Pterodroma madeira Mathews, 1934 -- valid -- Zino's Petrel
  Pterodroma magentae (Giglioli & Salvadori, 1868) -- valid -- Magenta Petrel
  Pterodroma mollis (Gould, 1844) -- valid -- Soft-plumaged Petrel
  Pterodroma neglecta (Schlegel, 1863) -- valid -- Petrel de Kermadec, Kermadec Petrel, Pétrel des Kermadec
  Pterodroma nigripennis (Rothschild, 1893) -- valid -- Petrel ala negra, Black-winged Petrel, Pétrel à ailes noires
  Pterodroma phaeopygia (Salvin, 1876) -- valid -- Petrel de Galápagos, Galapagos Petrel, Pétrel des Galapagos
  Pterodroma phaeopygia phaeopygia (Salvin, 1876) -- invalid
  Pterodroma phaeopygia sandwichensis (Ridgway, 1884) -- invalid -- Hawaiian Dark-rumped Petrel
  Pterodroma pycrofti Falla, 1933 -- valid -- Pycroft's Petrel
  Pterodroma sandwichensis (Ridgway, 1884) -- valid -- Pétrel des Hawaï, Hawaiian Petrel, Hawaiian Dark-rumped Petrel
  Pterodroma solandri (Gould, 1844) -- valid -- Providence Petrel
  Pterodroma ultima Murphy, 1949 -- valid -- Murphy's Petrel, Pétrel de Murphy
  Pteroglossus Illiger, 1811 -- valid
  Pteroglossus aracari (Linnaeus, 1758) -- valid -- Black-necked Aracari
  Pteroglossus azara (Vieillot, 1819) -- valid -- Ivory-billed Aracari
  Pteroglossus beauharnaesii Wagler, 1832 -- valid -- Curl-crested Aracari
  Pteroglossus bitorquatus Vigors, 1826 -- valid -- Red-necked Aracari
  Pteroglossus castanotis Gould, 1834 -- valid -- Chestnut-eared Aracari
  Pteroglossus erythropygius Gould, 1843 -- valid -- Pale-mandibled Aracari
  Pteroglossus frantzii Cabanis, 1861 -- valid -- Fiery-billed Aracari
  Pteroglossus inscriptus Swainson, 1822 -- valid -- Lettered Aracari
  Pteroglossus mariae Gould, 1854 -- valid -- Brown-mandibled Aracari
  Pteroglossus pluricinctus Gould, 1836 -- valid -- Many-banded Aracari
  Pteroglossus sanguineus Gould, 1854 -- valid -- Stripe-billed Aracari
  Pteroglossus torquatus (J. F. Gmelin, 1788) -- valid -- Arasari de collar, Collared Aracari
  Pteroglossus viridis (Linnaeus, 1766) -- valid -- Green Aracari
  Pteronetta Salvadori, 1895 -- valid
  Pteronetta hartlaubii (Cassin, 1860) -- valid -- Hartlaub's Duck, Ptéronette de Hartlaub, Pato de Hartlaub, pato-de-fronte-branca
  Pterophanes Gould, 1849 -- valid
  Pterophanes cyanopterus (Fraser, 1840) -- valid -- Great Sapphirewing
  Pteroptochos Kittlitz, 1830 -- valid
  Pteroptochos megapodius Kittlitz, 1830 -- valid -- Moustached Turca
  Pteroptochos tarnii (King, 1831) -- valid -- Black-throated Huet-huet
  Pteruthius Swainson, 1832 -- valid
  Pteruthius aenobarbus (Temminck, 1836) -- valid -- Chestnut-fronted Shrike-Babbler
  Pteruthius flaviscapis (Temminck, 1836) -- valid -- White-browed Shrike-Babbler
  Pteruthius melanotis Hodgson, 1847 -- valid -- Black-eared Shrike-Babbler
  Pteruthius rufiventer Blyth, 1842 -- valid -- Black-headed Shrike-Babbler
  Pteruthius xanthochlorus J. E. Gray & G. R. Gray, 1847 -- valid -- Green Shrike-Babbler
  Ptilinopus Swainson, 1825 -- valid -- Fruit-Doves
  Ptilinopus alligator Collett, 1898 -- valid -- Black-banded Fruit Dove
  Ptilinopus arcanus Ripley & Rabor, 1955 -- valid -- Negros Fruit Dove
  Ptilinopus aurantiifrons G. R. Gray, 1858 -- valid -- Orange-fronted Fruit Dove
  Ptilinopus bernsteinii Schlegel, 1863 -- valid -- Scarlet-breasted Fruit Dove
  Ptilinopus chalcurus G. R. Gray, 1860 -- valid -- Makatea Fruit Dove
  Ptilinopus cinctus (Temminck, 1809) -- valid -- Banded Fruit Dove
  Ptilinopus coralensis Peale, 1849 -- valid -- Atoll Fruit Dove
  Ptilinopus coronulatus G. R. Gray, 1858 -- valid -- Coroneted Fruit Dove
  Ptilinopus dohertyi Rothschild, 1896 -- valid -- Red-naped Fruit Dove
  Ptilinopus dupetithouarsii (Néboux, 1840) -- valid -- White-capped Fruit Dove
  Ptilinopus eugeniae (Gould, 1856) -- valid -- White-headed Fruit Dove
  Ptilinopus fischeri Brüggemann, 1876 -- valid -- Red-eared Fruit Dove
  Ptilinopus granulifrons Hartert, 1898 -- valid -- Carunculated Fruit Dove
  Ptilinopus greyii Bonaparte, 1857 -- invalid -- Red-bellied Fruit Dove
  Ptilinopus huttoni Finsch, 1874 -- valid -- Rapa Fruit Dove
  Ptilinopus hyogastra (Temminck, 1824) -- invalid
  Ptilinopus insolitus Schlegel, 1863 -- valid -- Knob-billed Fruit Dove
  Ptilinopus insularis North, 1908 -- valid -- Scarlet-capped Fruit Dove, Henderson Fruit Dove
  Ptilinopus iozonus G. R. Gray, 1858 -- valid -- Orange-bellied Fruit Dove
  Ptilinopus jambu (J. F. Gmelin, 1789) -- valid -- Jambu Fruit Dove
  Ptilinopus layardi D. G. Elliot, 1878 -- valid -- Whistling Fruit Dove
  Ptilinopus leclancheri (Bonaparte, 1855) -- valid -- Black-chinned Fruit Dove
  Ptilinopus luteovirens (Hombron & Jacquinot, 1841) -- valid -- Golden Fruit Dove
  Ptilinopus magnificus (Temminck, 1821) -- valid -- Wompoo Fruit Dove
  Ptilinopus marchei Oustalet, 1880 -- valid -- Flame-breasted Fruit Dove
  Ptilinopus melanospila (Salvadori, 1875) -- invalid
  Ptilinopus mercierii (Des Murs & Prévost, 1849) -- valid -- Moustached Fruit Dove, Red-moustached Fruit Dove
  Ptilinopus merrilli (McGregor, 1916) -- valid -- Cream-breasted Fruit Dove
  Ptilinopus monacha (Temminck, 1824) -- valid -- Blue-capped Fruit Dove
  Ptilinopus naina (Temminck, 1835) -- invalid
  Ptilinopus occipitalis G. R. Gray, 1844 -- valid -- Yellow-breasted Fruit Dove
  Ptilinopus ornatus Schlegel, 1871 -- valid -- Ornate Fruit Dove
  Ptilinopus pelewensis Hartlaub & Finsch, 1868 -- valid -- Palau Fruit-Dove, Palau Fruit Dove
  Ptilinopus perlatus (Temminck, 1835) -- valid -- Pink-spotted Fruit Dove
  Ptilinopus perousii Peale, 1849 -- valid -- Many-colored Fruit-Dove, Many-colored Fruit Dove
  Ptilinopus porphyraceus (Temminck, 1821) -- valid -- Purple-capped Fruit-Dove, Crimson-crowned Fruit Dove
  Ptilinopus porphyreus (Temminck, 1822) -- valid -- Pink-headed Fruit Dove
  Ptilinopus pulchellus (Temminck, 1835) -- valid -- Beautiful Fruit Dove
  Ptilinopus purpuratus (J. F. Gmelin, 1789) -- valid -- Grey-green Fruit Dove
  Ptilinopus rarotongensis Hartlaub & Finsch, 1871 -- valid -- Lilac-crowned Fruit Dove
  Ptilinopus regina Swainson, 1825 -- valid -- Rose-crowned Fruit Dove
  Ptilinopus richardsii E. P. Ramsay, 1882 -- valid -- Silver-capped Fruit Dove
  Ptilinopus rivoli (Prévost, 1843) -- valid -- White-bibbed Fruit Dove
  Ptilinopus roseicapilla (R. Lesson, 1831) -- valid -- Marianas Fruit-Dove, Mariana Fruit Dove
  Ptilinopus solomonensis G. R. Gray, 1870 -- valid -- Yellow-bibbed Fruit Dove
  Ptilinopus subgularis A. B. Meyer & Wiglesworth, 1896 -- valid -- Maroon-chinned Fruit Dove, Banggai Fruit Dove
  Ptilinopus superbus (Temminck, 1809) -- valid -- Superb Fruit Dove
  Ptilinopus tannensis (Latham, 1790) -- valid -- Tanna Fruit Dove
  Ptilinopus victor (Gould, 1872) -- valid -- Orange Fruit Dove
  Ptilinopus viridis (Linnaeus, 1766) -- valid -- Claret-breasted Fruit Dove
  Ptilinopus wallacii G. R. Gray, 1858 -- valid -- Wallace's Fruit Dove
  Ptiliogonys Swainson, 1827 -- invalid
  Ptiliogonys caudatus Cabanis, 1861 -- invalid
  Ptiliogonys cinereus Swainson, 1827 -- invalid
  Ptilocichla Sharpe, 1877 -- valid
  Ptilocichla falcata Sharpe, 1877 -- valid -- Falcated Wren-Babbler
  Ptilocichla leucogrammica (Bonaparte, 1850) -- valid -- Bornean Wren-Babbler
  Ptilocichla mindanensis (W. Blasius, 1890) -- valid -- Striated Wren-Babbler
  Ptilonorhynchidae -- valid -- Bowerbirds
  Ptilonorhynchus Kuhl, 1820 -- valid
  Ptilonorhynchus violaceus (Vieillot, 1816) -- valid -- Satin Bowerbird
  Ptilopachus Swainson, 1837 -- valid
  Ptilopachus petrosus (J. F. Gmelin, 1789) -- valid -- Poulette de roches, Gallinita roquera, galinha-da-pedra, Stone Partridge
  Ptiloprora De Vis, 1894 -- valid
  Ptiloprora erythropleura (Salvadori, 1876) -- valid -- Rufous-sided Honeyeater, Méliphage à flancs roux, Mielero flanquirrufo
  Ptiloprora guisei (De Vis, 1894) -- valid -- Rufous-backed Honeyeater, Méliphage à dos roux, Mielero dorsirrufo
  Ptiloprora mayri E. Hartert, 1930 -- valid -- Mayr's Honeyeater, Méliphage de Mayr, Mielero de Mayr
  Ptiloprora meekiana (Rothschild & E. Hartert, 1907) -- valid -- Olive-streaked Honeyeater, Yellowish-streaked Honeyeater, Méliphage de Meek, Mielero de Meek, Yellow-streaked Honeyeater
  Ptiloprora perstriata (De Vis, 1898) -- valid -- Grey-streaked Honeyeater, Black-backed honeyeater, Méliphage strié, Mielero estriado, Gray-streaked Honeyeater
  Ptiloprora plumbea (Salvadori, 1895) -- valid -- Leaden Honeyeater, Méliphage gris-de-plomb, Mielero plomizo
  Ptiloris Swainson, 1825 -- valid
  Ptiloris intercedens Sharpe, 1882 -- valid -- Growling Riflebird
  Ptiloris magnificus (Vieillot, 1819) -- valid -- Magnificent Riflebird
  Ptiloris paradiseus Swainson, 1825 -- valid -- Paradise Riflebird
  Ptiloris victoriae Gould, 1850 -- valid -- Victoria's Riflebird
  Ptilorrhoa J. L. Peters, 1940 -- valid
  Ptilorrhoa caerulescens (Temminck, 1836) -- valid -- Blue Jewel-babbler
  Ptilorrhoa castanonota (Salvadori, 1876) -- valid -- Chestnut-backed Jewel-babbler
  Ptilorrhoa leucosticta (P. L. Sclater, 1874) -- valid -- Spotted Jewel-babbler
  Ptilostomus Swainson, 1837 -- valid
  Ptilostomus afer (Linnaeus, 1766) -- valid -- Piapiac
  Ptychoramphus J. F. Brandt, 1837 -- valid -- Cassin's Auklets
  Ptychoramphus aleuticus (Pallas, 1811) -- valid -- Cassin's Auklet, Alcuela oscura, Starique de Cassin, Mérgulo sombrío, mérgulo-sombrio
  Ptyrticus Hartlaub, 1883 -- valid
  Ptyrticus turdinus Hartlaub, 1883 -- valid -- Spotted Thrush-Babbler
  Pucrasia G. R. Gray, 1841 -- valid -- Koklass Pheasant
  Pucrasia macrolopha (R. Lesson, 1829) -- valid -- Eulophe koklass, Faisán koklas, faisão-koklass, Koklass Pheasant
  Puffinus Brisson, 1760 -- valid
  Puffinus assimilis Gould, 1838 -- valid -- Little Shearwater, Petit Puffin
  Puffinus auricularis C. H. Townsend, 1890 -- valid -- 'A'o, Manx, Newell's Townsend's Shearwater, Pardela de Revillagigedo, Townsend's Shearwater, Puffin de Townsend
  Puffinus bannermani Mathews & Iredale, 1915 -- valid -- Bannerman's Shearwater
  Puffinus bulleri Salvin, 1888 -- valid -- Pardela de Buller, Buller's Shearwater, Puffin de Buller
  Puffinus carneipes Gould, 1844 -- valid -- Pardela pata pálida, Flesh-footed Shearwater, Puffin à pieds pâles
  Puffinus creatopus Coues, 1864 -- valid -- Pardela pata rosada, Pink-footed Shearwater, Puffin à pieds roses
  Puffinus gavia (J. R. Forster, 1844) -- valid -- Fluttering Shearwater
  Puffinus gravis (O'Reilly, 1818) -- valid -- Pardela mayor, Greater Shearwater, Great Shearwater, Puffin majeur
  Puffinus griseus (Gmelin, 1789) -- valid -- Pardela gris, Sooty Shearwater, Puffin fuligineux
  Puffinus heinrothi Reichenow, 1919 -- valid -- Heinroth's Shearwater
  Puffinus huttoni Mathews, 1912 -- valid -- Hutton's Shearwater
  Puffinus lherminieri Lesson, 1839 -- valid -- Pardela de Audubon, Audubon's Shearwater, Puffin d'Audubon
  Puffinus lherminieri bannermani Mathews & Iredale, 1915 -- invalid -- Bannerman's Shearwater
  Puffinus nativitatis Streets, 1877 -- valid -- Pardela de Navidad, Christmas Shearwater, Puffin de la Nativité
  Puffinus opisthomelas Coues, 1864 -- valid -- Puffin cul-noir, Pardela mexicana, Black-vented Shearwater
  Puffinus pacificus (Gmelin, 1789) -- valid -- Pardela cola cuña, Wedge-tailed Shearwater, Puffin fouquet
  Puffinus persicus Hume, 1872 -- valid -- Persian Shearwater
  Puffinus puffinus (Brunnich, 1764) -- valid -- Manx Shearwater, Puffin des Anglais
  Puffinus tenuirostris (Temminck, 1836) -- valid -- Pardela cola corta, Short-tailed Shearwater, Puffin à bec grêle
  Puffinus yelkouan (Acerbi, 1827) -- valid -- Yelkouan Shearwater
  Pulsatrix Kaup, 1848 -- valid
  Pulsatrix koeniswaldiana (M. Bertoni & W. Bertoni, 1901) -- valid -- Tawny-browed Owl
  Pulsatrix melanota (Tschudi, 1844) -- valid -- Band-bellied Owl
  Pulsatrix perspicillata (Latham, 1790) -- valid -- Búho de anteojos, Spectacled Owl
  Purpureicephalus Bonaparte, 1854 -- valid
  Purpureicephalus spurius (Kuhl, 1820) -- valid -- Red-capped Parrot, Perruche à tête pourpre, Perico capelo, periquito-cabeça-púrpura
  Pycnonotidae G. R. Gray, 1840 -- valid -- Bulbuls
  Pycnonotus F. Boie, 1826 -- valid -- Bulbuls
  Pycnonotus atriceps (Temminck, 1822) -- valid -- Black-headed Bulbul
  Pycnonotus aurigaster (Vieillot, 1818) -- valid -- Sooty-headed Bulbul
  Pycnonotus barbatus (Desfontaines, 1789) -- valid -- Common Bulbul
  Pycnonotus bimaculatus (Horsfield, 1821) -- valid -- Orange-spotted Bulbul
  Pycnonotus blanfordi Jerdon, 1862 -- valid -- Streak-eared Bulbul
  Pycnonotus brunneus Blyth, 1845 -- valid -- Asian Red-eyed Bulbul
  Pycnonotus cafer (Linnaeus, 1766) -- valid -- Red-vented Bulbul
  Pycnonotus capensis (Linnaeus, 1766) -- valid -- Cape Bulbul
  Pycnonotus cyaniventris Blyth, 1842 -- valid -- Grey-bellied Bulbul
  Pycnonotus dodsoni Sharpe, 1895 -- valid -- Dodson's Bulbul
  Pycnonotus erythropthalmos (Hume, 1878) -- valid -- Spectacled Bulbul
  Pycnonotus eutilotus (Jardine & Selby, 1837) -- valid -- Puff-backed Bulbul
  Pycnonotus finlaysoni Strickland, 1844 -- valid -- Stripe-throated Bulbul
  Pycnonotus flavescens Blyth, 1845 -- valid -- Flavescent Bulbul
  Pycnonotus goiavier (Scopoli, 1786) -- valid -- Yellow-vented Bulbul
  Pycnonotus jocosus (Linnaeus, 1758) -- valid -- Red-whiskered Bulbul
  Pycnonotus leucogenys (J. E. Gray, 1835) -- valid -- Himalayan Bulbul
  Pycnonotus leucogrammicus (S. Muller, 1836) -- valid -- Cream-striped Bulbul
  Pycnonotus leucotis (Gould, 1836) -- valid -- White-eared Bulbul
  Pycnonotus luteolus (Lesson, 1841) -- valid -- White-browed Bulbul
  Pycnonotus melanicterus (Gmelin, 1789) -- valid -- Black-crested Bulbul
  Pycnonotus melanoleucos (Eyton, 1839) -- valid
  Pycnonotus nieuwenhuisii (Finsch, 1901) -- valid -- Blue-wattled Bulbul
  Pycnonotus nigricans (Vieillot, 1818) -- valid -- African Red-eyed Bulbul
  Pycnonotus penicillatus Blyth, 1851 -- valid -- Yellow-eared Bulbul
  Pycnonotus plumosus Blyth, 1845 -- valid -- Olive-winged Bulbul
  Pycnonotus priocephalus (Jerdon, 1839) -- valid -- Grey-headed Bulbul
  Pycnonotus simplex Lesson, 1839 -- valid -- Cream-vented Bulbul
  Pycnonotus sinensis (Gmelin, 1789) -- valid -- Light-vented Bulbul
  Pycnonotus somaliensis Reichenow, 1905 -- valid -- Somali Bulbul
  Pycnonotus squamatus (Temminck, 1828) -- valid -- Scaly-breasted Bulbul
  Pycnonotus striatus (Blyth, 1842) -- valid -- Striated Bulbul
  Pycnonotus taivanus Styan, 1893 -- valid -- Styan's Bulbul
  Pycnonotus tricolor (Hartlaub, 1862) -- valid -- Dark-capped Bulbul
  Pycnonotus tympanistrigus (S. Muller, 1836) -- valid -- Spot-necked Bulbul
  Pycnonotus urostictus (Salvadori, 1870) -- valid -- Yellow-wattled Bulbul
  Pycnonotus xantholaemus (Jerdon, 1845) -- valid -- Yellow-throated Bulbul
  Pycnonotus xanthopygos (Hemprich & Ehrenberg, 1833) -- valid -- White-spectacled Bulbul
  Pycnonotus xanthorrhous Anderson, 1869 -- valid -- Brown-breasted Bulbul
  Pycnonotus zeylanicus (Gmelin, 1789) -- valid -- Straw-headed Bulbul
  Pycnoptilus Gould, 1851 -- valid
  Pycnoptilus floccosus Gould, 1851 -- valid -- Pilotbird
  Pycnopygius Salvadori, 1880 -- valid
  Pycnopygius cinereus (P. L. Sclater, 1874) -- valid -- Marbled Honeyeater, Méliphage marbré, Mielero jaspeado
  Pycnopygius ixoides (Salvadori, 1878) -- valid -- Plain Honeyeater, Méliphage ocré, Mielero bulbul
  Pycnopygius stictocephalus (Salvadori, 1876) -- valid -- Streak-headed Honeyeater, Méliphage à tête rayée, Mielero cabecirrayado
  Pygarrhichas Burmeister, 1837 -- valid
  Pygarrhichas albogularis (King, 1831) -- valid -- White-throated Treerunner
  Pygiptila P. L. Sclater, 1858 -- valid
  Pygiptila stellaris (Spix, 1825) -- valid -- Spot-winged Antshrike
  Pygoscelis Wagler, 1832 -- valid
  Pygoscelis adeliae (Hombron & Jacquinot, 1841) -- valid -- Adelie Penguin
  Pygoscelis antarctica (J. R. Forster, 1781) -- invalid
  Pygoscelis papua (J. R. Forster, 1781) -- valid -- Gentoo Penguin
  Pyrenestes Swainson, 1837 -- valid
  Pyrenestes minor Shelley, 1894 -- valid -- Lesser Seedcracker
  Pyrenestes ostrinus (Vieillot, 1805) -- valid -- Black-bellied Seedcracker
  Pyrenestes sanguineus Swainson, 1837 -- valid -- Crimson Seedcracker
  Pyriglena Cabanis, 1847 -- valid
  Pyriglena atra (Swainson, 1825) -- valid -- Fringe-backed Fire-eye
  Pyriglena leuconota (Spix, 1824) -- valid -- White-backed Fire-eye
  Pyriglena leucoptera (Vieillot, 1818) -- valid -- White-shouldered Fire-eye
  Pyrocephalus Gould, 1839 -- valid -- Vermilion Flycatchers
  Pyrocephalus rubinus (Boddaert, 1783) -- valid -- Mosquero cardenal, Vermilion Flycatcher
  Pyroderus G. R. Gray, 1840 -- valid
  Pyroderus scutatus (Shaw, 1792) -- valid -- Red-ruffed Fruitcrow
  Pyrrhocoma Cabanis, 1851 -- invalid
  Pyrrhocoma ruficeps (Strickland, 1844) -- invalid -- Chestnut-headed Tanager
  Pyrrhocorax Tunstall, 1771 -- valid
  Pyrrhocorax graculus (Linnaeus, 1766) -- valid -- Alpine Chough
  Pyrrhocorax pyrrhocorax (Linnaeus, 1758) -- valid -- Red-billed Chough
  Pyrrholaemus Gould, 1841 -- valid
  Pyrrholaemus brunneus Gould, 1841 -- valid -- Redthroat
  Pyrrhomyias Cabanis & Heine, 1859 -- valid
  Pyrrhomyias cinnamomea (Orbigny & Lafresnaye, 1837) -- invalid
  Pyrrhoplectes Hodgson, 1844 -- valid
  Pyrrhoplectes epauletta (Hodgson, 1836) -- valid -- Golden-naped Finch
  Pyrrhula Brisson, 1760 -- valid -- Eurasian Bullfinches
  Pyrrhula aurantiaca Gould, 1858 -- valid -- Orange Bullfinch
  Pyrrhula erythaca Blyth, 1862 -- valid -- Grey-headed Bullfinch
  Pyrrhula erythrocephala Vigors, 1832 -- valid -- Red-headed Bullfinch
  Pyrrhula leucogenis Ogilvie-Grant, 1895 -- valid -- White-cheeked Bullfinch
  Pyrrhula nipalensis Hodgson, 1836 -- valid -- Brown Bullfinch
  Pyrrhula pyrrhula (Linnaeus, 1758) -- valid -- Eurasian Bullfinch
  Pyrrhura Bonaparte, 1856 -- valid
  Pyrrhura albipectus Chapman, 1914 -- valid -- White-breasted Parakeet, White-necked Parakeet, Conure à col blanc, Cotorra cuelliblanca, tiriba-do-pescoço-branco
  Pyrrhura calliptera (Massena & Souancé, 1854) -- valid -- Flame-winged Parakeet, Brown-breasted Parakeet, Conure à poitrine brune, Cotorra pechiparda, tiriba-de-peito-marron
  Pyrrhura cruentata (zu Wied-Neuwied, 1820) -- valid -- Ochre-marked Parakeet, Conure tiriba, Cotorra tiriba, tiriba-grande
  Pyrrhura devillei (Massena & Souancé, 1854) -- valid -- Blaze-winged Parakeet, Conure de Deville, Cotorra de Deville, tiriba-fogo
  Pyrrhura egregia (P. L. Sclater, 1881) -- valid -- Fiery-shouldered Parakeet, Conure aile-de-feu, Cotorra egregia, tiriba-de-cauda-roxa
  Pyrrhura frontalis (Vieillot, 1818) -- valid -- Reddish-bellied Parakeet, Maroon-bellied Parakeet, Conure de Vieillot, Cotorra chiripepé, tiriba
  Pyrrhura hoematotis Souancé, 1857 -- valid -- Blood-eared Parakeet, Red-eared Parakeet, Conure à oreillons, Cotorra colirroja, tiriba-de-orelha-vermelha
  Pyrrhura hoffmanni (Cabanis, 1861) -- valid -- Sulphur-winged Parakeet, Conure de Hoffmann, Cotorra catana, tiriba-de-asa-amarelada
  Pyrrhura leucotis (Kuhl, 1820) -- valid -- White-eared Parakeet, Maroon-faced Parakeet, Conure leucotique, Cotorra orejiblanca, tiriba-de-orelha-branca
  Pyrrhura melanura (von Spix, 1824) -- valid -- Maroon-tailed Parakeet, Conure de Souancé, Cotorra colinegra, tiriba-fura-mata
  Pyrrhura molinae (Massena & Souancé, 1854) -- valid -- Green-cheeked Parakeet, Conure de Molina, Cotorra de Molina, tiriba-de-cauda-vermelha
  Pyrrhura orcesi Ridgely & Robbins, 1988 -- valid -- El Oro Parakeet, Conure d'Orcés, Cotorra de El Oro, tiriba-do-el-oro
  Pyrrhura perlata (von Spix, 1824) -- valid -- Crimson-bellied Parakeet, Conure à ventre rouge, Cotorra ventrirroja, tiriba-de-barriga-vermelha
  Pyrrhura picta (P. L. S. Müller, 1776) -- valid -- Painted Parakeet, Conure versicolore, Cotorra pintada, tiriba-de-testa-azul
  Pyrrhura rhodocephala (P. L. Sclater & Salvin, 1871) -- valid -- Rose-crowned Parakeet, Rose-headed Parakeet, Conure tête-de-feu, Cotorra coronirroja, tiriba-cabeça-rosa
  Pyrrhura rhodogaster (Sclater, 1864) -- invalid
  Pyrrhura rupicola (Tschudi, 1844) -- valid -- Black-capped Parakeet, Conure à cape noire, Cotorra capirotada, tiriba-rupestre
  Pyrrhura viridicata Todd, 1913 -- valid -- Santa Marta Parakeet, Conure des Santa Marta, Cotorra de Santa Marta
  Pytilia Swainson, 1837 -- valid
  Pytilia afra (Gmelin, 1789) -- valid -- Orange-winged Pytilia
  Pytilia hypogrammica Sharpe, 1870 -- valid -- Yellow-winged Pytilia
  Pytilia lineata Heuglin, 1863 -- valid -- Red-billed Pytilia
  Pytilia melba (Linnaeus, 1758) -- valid -- Green-winged Pytilia
  Pytilia phoenicoptera Swainson, 1837 -- valid -- Red-winged Pytilia
  Quelea Reichenbach, 1850 -- valid
  Quelea cardinalis (Hartlaub, 1880) -- valid -- Cardinal Quelea
  Quelea erythrops (Hartlaub, 1848) -- valid -- Red-headed Quelea
  Quelea quelea (Linnaeus, 1758) -- valid -- Red-billed Quelea
  Querula Vieillot, 1816 -- valid
  Querula purpurata (Statius Muller, 1776) -- valid -- Purple-throated Fruitcrow
  Quiscalus Vieillot, 1816 -- valid -- Grackles
  Quiscalus lugubris Swainson, 1838 -- valid -- Carib Grackle
  Quiscalus major Vieillot, 1819 -- valid -- Boat-tailed Grackle
  Quiscalus mexicanus (Gmelin, 1788) -- valid -- Great-tailed Grackle, Zanate mexicano
  Quiscalus nicaraguensis Salvin & Godman, 1891 -- valid -- Nicaraguan Grackle
  Quiscalus niger (Boddaert, 1783) -- valid -- Greater Antillean Grackle
  Quiscalus palustris (Swainson, 1827) -- valid -- Zanate de Lerma, Slender-billed Grackle
  Quiscalus quiscula (Linnaeus, 1758) -- valid -- Common Grackle, quiscale bronzé
  Rallidae -- valid -- Coots, Rails, foulques, gallinules, râles, Waterhens
  Rallina G. R. Gray, 1846 -- valid -- Red-legged Crakes
  Rallina canningi (Blyth, 1863) -- valid -- Andaman Crake
  Rallina eurizonoides (Lafresnaye, 1845) -- valid -- Slaty-legged Crake
  Rallina fasciata (Raffles, 1822) -- valid -- Red-legged Crake
  Rallina forbesi (Sharpe, 1887) -- valid -- Forbes's Forest Crake
  Rallina leucospila (Salvadori, 1876) -- valid -- White-striped Forest Crake
  Rallina mayri (Hartert, 1930) -- valid -- Mayr's Forest Crake
  Rallina rubra (Schlegel, 1871) -- valid -- Chestnut Forest Crake
  Rallina tricolor G. R. Gray, 1858 -- valid -- Red-necked Crake
  Rallus Linnaeus, 1758 -- valid -- Greater Rails
  Rallus antarcticus King, 1828 -- valid -- Austral Rail
  Rallus aquaticus Linnaeus, 1758 -- valid -- Water Rail
  Rallus caerulescens Gmelin, 1789 -- valid -- African Rail
  Rallus elegans Audubon, 1834 -- valid -- Rascón real, King Rail, râle élégant
  Rallus limicola Vieillot, 1819 -- valid -- Rascón limícola, Virginia Rail, râle de Virginie
  Rallus longirostris Boddaert, 1783 -- valid -- Clapper Rail, Rascón picudo
  Rallus madagascariensis J. Verreaux, 1833 -- valid -- Madagascar Rail
  Rallus semiplumbeus P. L. Sclater, 1856 -- valid -- Bogota Rail
  Rallus wetmorei Zimmer & Phelps, 1944 -- valid -- Plain-flanked Rail
  Ramphastidae -- valid -- Toucans
  Ramphastos Linnaeus, 1758 -- valid
  Ramphastos ambiguus Swainson, 1823 -- valid -- Black-mandibled Toucan, Yellow-throated Toucan
  Ramphastos brevis Meyer de Schauensee, 1945 -- valid -- Choco Toucan
  Ramphastos citreolaemus Gould, 1844 -- valid -- Citron-throated Toucan
  Ramphastos culminatus Gould, 1833 -- invalid
  Ramphastos cuvieri Wagler, 1827 -- invalid
  Ramphastos dicolorus Linnaeus, 1766 -- valid -- Green-billed Toucan
  Ramphastos sulfuratus R. Lesson, 1830 -- valid -- Tucán pico canoa, Keel-billed Toucan
  Ramphastos swainsonii Gould, 1833 -- invalid -- Chestnut-mandibled Toucan
  Ramphastos toco P. L. S. Müller, 1776 -- valid -- Toco Toucan
  Ramphastos tucanus Linnaeus, 1758 -- valid -- White-throated Toucan
  Ramphastos vitellinus M. H. K. Lichtenstein, 1823 -- valid -- Channel-billed Toucan
  Ramphocaenus Vieillot, 1819 -- valid
  Ramphocaenus melanurus Vieillot, 1819 -- valid -- Soterillo picudo, Long-billed Gnatwren
  Ramphocelus Desmarest, 1805 -- valid
  Ramphocelus bresilius (Linnaeus, 1766) -- invalid -- Brazilian Tanager
  Ramphocelus carbo (Pallas, 1764) -- valid -- Silver-beaked Tanager, Tangara à bec d'argent, Tangara picoplata, pipira-vermelha
  Ramphocelus costaricensis Cherrie, 1891 -- invalid -- Cherrie's Tanager
  Ramphocelus dimidiatus Lafresnaye, 1837 -- valid -- Crimson-backed Tanager, Tangara à dos rouge, Tangara dorsirroja
  Ramphocelus flammigerus (Jardine & Selby, 1833) -- valid -- Flame-rumped Tanager, Tangara flamboyant, Tangara flamígera
  Ramphocelus melanogaster (Swainson, 1838) -- valid -- Huallaga Tanager, Tangara du Huallaga, Tangara del Huallaga, Black-bellied Tanager
  Ramphocelus nigrogularis (Spix, 1825) -- valid -- Masked Crimson Tanager, Tangara masqué, Tangara enmascarada, pipira-de-máscara
  Ramphocelus passerinii Bonaparte, 1831 -- valid -- Tángara terciopelo, Passerini's Tanager, Scarlet-rumped Tanager, Tangara à croupion rouge, Tangara terciopelo, tangara-de-rabo-vermelho
  Ramphocelus sanguinolentus (R. Lesson, 1831) -- valid -- Crimson-collared Tanager, Tangara ceinturé, Tangara acollarada
  Ramphocinclus Lafresnaye, 1843 -- valid
  Ramphocinclus brachyurus (Vieillot, 1818) -- valid -- White-breasted Thrasher
  Ramphocoris Bonaparte, 1850 -- valid
  Ramphocoris clotbey (Bonaparte, 1850) -- valid -- Thick-billed Lark
  Ramphodon R. Lesson, 1830 -- valid
  Ramphodon dohrnii (Bourcier & Mulsant, 1852) -- invalid
  Ramphodon naevius (Dumont, 1818) -- valid -- Saw-billed Hermit
  Ramphomicron Bonaparte, 1850 -- valid
  Ramphomicron dorsale Salvin & Godman, 1880 -- valid -- Black-backed Thornbill
  Ramphomicron microrhynchum (Boissonneau, 1840) -- valid -- Purple-backed Thornbill
  Ramphotrigon G. R. Gray, 1855 -- valid
  Ramphotrigon fuscicauda Chapman, 1925 -- valid -- Dusky-tailed Flatbill
  Ramphotrigon megacephala (Swainson, 1835) -- invalid
  Ramphotrigon ruficauda (Spix, 1825) -- valid -- Rufous-tailed Flatbill
  Ramsayornis Mathews, 1912 -- valid
  Ramsayornis fasciatus (Gould, 1843) -- valid -- Bar-breasted Honeyeater, Méliphage fascié, Mielero pechibarrado
  Ramsayornis modestus (G. R. Gray, 1858) -- valid -- Brown-backed Honeyeater, Méliphage modeste, Mielero modesto, melífago-modesto
  Randia Delacour, 1931 -- valid
  Randia pseudozosterops Delacour, 1931 -- valid -- Rand's Warbler
  Raphidae -- invalid
  Raphus Brisson, 1760 -- valid
  Raphus cucullatus (Linnaeus, 1758) -- valid -- Dodo
  Raphus solitarius (Selys-Longchamps, 1848) -- invalid
  Recurvirostra Linnaeus, 1758 -- valid -- Avocets
  Recurvirostra americana J. F. Gmelin, 1789 -- valid -- Avoceta americana, American Avocet, Avocette d'Amérique, alfaiate-de-pescoço-pardo
  Recurvirostra andina Philippi & Landbeck, 1861 -- valid -- Andean Avocet, Avocette des Andes, Avoceta andina, alfaiate-andino
  Recurvirostra avosetta Linnaeus, 1758 -- valid -- Pied Avocet, Avocette élégante, Avoceta común, alfaiate
  Recurvirostra novaehollandiae Vieillot, 1816 -- valid -- Red-necked Avocet, Avocette d'Australie, Avoceta australiana, alfaiate-de-pescoço-vermelho
  Regulidae Vigors, 1825 -- valid -- Kinglets, Goldcrests, roitelets
  Regulus Cuvier, 1800 -- valid -- Kinglets
  Regulus calendula (Linnaeus, 1766) -- valid -- Reyezuelo de rojo, Ruby-crowned Kinglet, roitelet à couronne rubis
  Regulus goodfellowi Ogilvie-Grant, 1906 -- valid -- Flamecrest
  Regulus ignicapillus (Temminck, 1820) -- invalid
  Regulus regulus (Linnaeus, 1758) -- valid -- Goldcrest
  Regulus satrapa Lichtenstein, 1823 -- valid -- Reyezuelo de oro, Golden-crowned Kinglet, roitelet à couronne dorée
  Regulus teneriffae Seebohm, 1883 -- invalid
  Reinwardtipicus Bonaparte, 1854 -- valid
  Reinwardtipicus validus (Temminck, 1825) -- valid -- Orange-backed Woodpecker
  Reinwardtoena Bonaparte, 1854 -- valid
  Reinwardtoena browni (P. L. Sclater, 1877) -- valid -- Pied Cuckoo-Dove
  Reinwardtoena crassirostris (Gould, 1856) -- valid -- Crested Cuckoo-Dove
  Reinwardtoena reinwardtsi (Temminck, 1824) -- invalid
  Remiz Jarocki, 1819 -- valid
  Remiz consobrinus (Swinhoe, 1870) -- valid -- Chinese Penduline Tit
  Remiz coronatus (Severtzov, 1873) -- valid -- White-crowned Penduline Tit
  Remiz pendulinus (Linnaeus, 1758) -- valid -- Eurasian Penduline Tit
  Rhabdornis Reichenbach, 1853 -- valid
  Rhabdornis grandis Salomonsen, 1953 -- valid -- Long-billed Creeper
  Rhabdornis inornatus Ogilvie-Grant, 1896 -- valid -- Stripe-breasted Creeper
  Rhabdornis mystacalis (Temminck, 1825) -- valid -- Stripe-headed Creeper
  Rhagologus Stresemann & Paludan, 1934 -- valid
  Rhagologus leucostigma (Salvadori, 1876) -- valid -- Mottled Whistler
  Rhamphomantis Salvadori, 1878 -- valid
  Rhamphomantis megarhynchus (G. R. Gray, 1858) -- valid
  Rhaphidura Oates, 1883 -- valid
  Rhaphidura leucopygialis (Blyth, 1849) -- valid -- Silver-rumped Spinetail
  Rhaphidura sabini (J. E. Gray, 1829) -- valid -- Sabine's Spinetail
  Rhea Brisson, 1760 -- valid
  Rhea americana (Linnaeus, 1758) -- valid -- Greater Rhea
  Rhea pennata d'Orbigny, 1834 -- valid -- Lesser Rhea
  Rhegmatorhina Ridgway, 1888 -- valid
  Rhegmatorhina berlepschi (E. Snethlage, 1907) -- valid -- Harlequin Antbird
  Rhegmatorhina cristata (Pelzeln, 1868) -- valid -- Chestnut-crested Antbird
  Rhegmatorhina gymnops Ridgway, 1888 -- valid -- Bare-eyed Antbird
  Rhegmatorhina hoffmannsi (Hellmayr, 1907) -- valid -- White-breasted Antbird
  Rhegmatorhina melanosticta (P. L. Sclater & Salvin, 1880) -- valid -- Hairy-crested Antbird
  Rheidae -- valid -- Rheas
  Rheinardia Maingonnat, 1882 -- valid
  Rheinardia ocellata (D. G. Elliot, 1871) -- valid -- Vietnamese Crested Argus, Argus ocellé, Argos perlado, argos-de-crista, Crested Argus
  Rhinocrypta G. R. Gray, 1841 -- valid
  Rhinocrypta lanceolata (I. Geoffroy Saint-Hilaire, 1832) -- valid -- Crested Gallito
  Rhinocryptidae Wetmore, 1930 -- valid
  Rhinomyias Sharpe, 1879 -- valid
  Rhinomyias addita (Hartert, 1900) -- invalid
  Rhinomyias albigularis Bourns & Worcester, 1894 -- valid -- White-throated Jungle Flycatcher
  Rhinomyias brunneata (Slater, 1897) -- invalid
  Rhinomyias colonus Hartert, 1898 -- valid -- Henna-tailed Jungle Flycatcher
  Rhinomyias goodfellowi Ogilvie-Grant, 1905 -- valid -- Slaty-backed Jungle Flycatcher
  Rhinomyias gularis Sharpe, 1888 -- valid -- Eyebrowed Jungle Flycatcher
  Rhinomyias insignis Ogilvie-Grant, 1895 -- valid -- White-browed Jungle Flycatcher
  Rhinomyias olivacea (Hume, 1877) -- invalid
  Rhinomyias oscillans (Hartert, 1897) -- valid -- Russet-backed Jungle Flycatcher
  Rhinomyias ruficauda (Sharpe, 1877) -- valid -- Rufous-tailed Jungle Flycatcher
  Rhinomyias umbratilis (Strickland, 1849) -- valid -- Grey-chested Jungle Flycatcher
  Rhinopomastidae -- invalid -- Scimitarbills
  Rhinopomastus Jardine, 1828 -- valid
  Rhinopomastus aterrimus (Stephens, 1826) -- valid -- Black Scimitarbill, zombeteiro-preto, Abubilla arbórea negra, Irrisor noir
  Rhinopomastus cyanomelas (Vieillot, 1819) -- valid -- Common Scimitarbill, bico-de-cimitarra, Abubilla arbórea cimitarra, Irrisor namaquois
  Rhinopomastus minor (Rüppell, 1845) -- valid -- Abyssinian Scimitarbill, Abubilla arbórea menor, Irrisor à cimeterre
  Rhinoptilus Strickland, 1852 -- valid
  Rhinoptilus africanus (Temminck, 1807) -- valid -- Double-banded Courser, Courvite à double collier, Corredor escamoso chico, corredor-de-duas-golas
  Rhinoptilus bitorquatus (Blyth, 1848) -- valid -- Jerdon's Courser, Courvite de Jerdon, Corredor del Godavari, corredor-do-godavari
  Rhinoptilus chalcopterus (Temminck, 1824) -- valid -- Bronze-winged Courser, Courvite à ailes bronzées, Corredor patirrojo, corredor-asa-de-bronze
  Rhinoptilus cinctus (Heuglin, 1863) -- valid -- Three-banded Courser, Courvite à triple collier, Corredor escamoso grande, corredor-de-três-golas, Heuglin's Courser
  Rhipidura Vigors & Horsfield, 1827 -- valid -- Fantails
  Rhipidura albicollis (Vieillot, 1818) -- valid -- White-throated Fantail
  Rhipidura albolimbata Salvadori, 1874 -- valid -- Friendly Fantail
  Rhipidura atra Salvadori, 1876 -- valid -- Black Fantail
  Rhipidura aureola Lesson, 1831 -- valid -- White-browed Fantail
  Rhipidura brachyrhyncha Schlegel, 1871 -- valid -- Dimorphic Fantail
  Rhipidura cockerelli (E. P. Ramsay, 1879) -- valid -- White-winged Fantail
  Rhipidura cyaniceps (Cassin, 1855) -- valid -- Blue-headed Fantail
  Rhipidura dahli Reichenow, 1897 -- valid -- Bismarck Fantail
  Rhipidura dedemi Oort, 1911 -- valid -- Streak-breasted Fantail
  Rhipidura diluta Wallace, 1864 -- valid -- Brown-capped Fantail
  Rhipidura drownei Mayr, 1931 -- valid -- Brown Fantail
  Rhipidura euryura S. Muller, 1843 -- valid -- White-bellied Fantail
  Rhipidura fuliginosa (Sparrman, 1787) -- valid -- New Zealand Fantail
  Rhipidura fuscorufa P. L. Sclater, 1883 -- valid -- Cinnamon-tailed Fantail
  Rhipidura hyperythra G. R. Gray, 1858 -- valid -- Chestnut-bellied Fantail
  Rhipidura hypoxantha Blyth, 1843 -- invalid -- Yellow-bellied Fantail
  Rhipidura javanica (Sparrman, 1788) -- valid -- Pied Fantail
  Rhipidura kubaryi Finsch, 1876 -- valid -- Pohnpei Fantail
  Rhipidura lepida Hartlaub & Finsch, 1868 -- valid -- Palau Fantail, Palau fantail flycatcher
  Rhipidura leucophrys (Latham, 1802) -- valid -- Willie Wagtail
  Rhipidura leucothorax Salvadori, 1874 -- valid -- White-bellied Thicket Fantail
  Rhipidura maculipectus G. R. Gray, 1858 -- valid -- Black Thicket Fantail
  Rhipidura malaitae Mayr, 1931 -- valid -- Malaita Fantail
  Rhipidura matthiae Heinroth, 1902 -- valid -- Mussau Fantail
  Rhipidura nebulosa Peale, 1848 -- valid -- Samoan Fantail
  Rhipidura nigrocinnamomea Hartert, 1903 -- valid -- Black-and-cinnamon Fantail
  Rhipidura opistherythra P. L. Sclater, 1883 -- valid -- Long-tailed Fantail
  Rhipidura perlata S. Muller, 1843 -- valid -- Spotted Fantail
  Rhipidura personata E. P. Ramsay, 1875 -- valid -- Kadavu Fantail
  Rhipidura phasiana De Vis, 1885 -- valid -- Mangrove Fantail
  Rhipidura phoenicura S. Muller, 1843 -- valid -- Rufous-tailed Fantail
  Rhipidura rennelliana Mayr, 1931 -- valid -- Rennell Fantail
  Rhipidura rufidorsa A. B. Meyer, 1874 -- valid -- Rufous-backed Fantail
  Rhipidura rufifrons (Latham, 1802) -- valid -- Rufous-fronted Fantail, Rufous Fantail
  Rhipidura rufiventris (Vieillot, 1818) -- valid -- Northern Fantail
  Rhipidura semirubra P. L. Sclater, 1877 -- valid -- Manus Fantail
  Rhipidura spilodera G. R. Gray, 1870 -- invalid -- Streaked Fantail
  Rhipidura superciliaris (Sharpe, 1877) -- valid -- Blue Fantail
  Rhipidura superflua Hartert, 1899 -- valid -- Tawny-backed Fantail
  Rhipidura tenebrosa E. P. Ramsay, 1882 -- valid -- Makira Fantail
  Rhipidura teysmanni Büttikofer, 1892 -- valid -- Rusty-bellied Fantail
  Rhipidura threnothorax S. Muller, 1843 -- valid -- Sooty Thicket Fantail
  Rhizothera G. R. Gray, 1841 -- valid
  Rhizothera longirostris (Temminck, 1815) -- valid -- Rouloul à long bec, Perdiz piquilarga, perdiz-bicuda, Long-billed Partridge
  Rhodacanthis Rothschild, 1892 -- valid -- Koa-Finches
  Rhodacanthis flaviceps Rothschild, 1892 -- valid -- Lesser Koa-Finch, Lesser Koa Finch
  Rhodacanthis palmeri Rothschild, 1892 -- valid -- Greater Koa-Finch, Greater Koa Finch
  Rhodinocichla Hartlaub, 1853 -- valid
  Rhodinocichla rosea (R. Lesson, 1832) -- valid -- Tángara cuitlacoche, Rosy Thrush-Tanager, Quéo rosalbin, Tangara rosada, Rosy Thrush-tanager
  Rhodonessa Reichenbach, 1853 -- valid
  Rhodonessa caryophyllacea (Latham, 1790) -- valid -- Pink-headed Duck, Nette à cou rose, Pato cabecirrosado, pato-de-cabeça-rosa
  Rhodopechys Cabanis, 1851 -- valid
  Rhodopechys githaginea (M. H. K. Lichtenstein, 1823) -- invalid
  Rhodopechys mongolica (Swinhoe, 1870) -- invalid
  Rhodopechys obsoleta (M. H. K. Lichtenstein, 1823) -- invalid
  Rhodopechys sanguinea (Gould, 1838) -- invalid
  Rhodophoneus Heuglin, 1871 -- invalid
  Rhodophoneus cruentus (Hemprich & Ehrenberg, 1828) -- invalid -- Rosy-patched Bushshrike
  Rhodopis Reichenbach, 1854 -- valid
  Rhodopis vesper (R. Lesson, 1829) -- valid -- Oasis Hummingbird
  Rhodospingus Sharpe, 1888 -- valid
  Rhodospingus cruentus (R. Lesson, 1844) -- valid -- Crimson-breasted Finch, Rhodospingue ponceau, Soldadito carmesí
  Rhodostethia W. MacGillivray, 1842 -- valid
  Rhodostethia rosea (W. MacGillivray, 1824) -- valid -- Ross's Gull, Mouette rosée, Gaviota rosada, gaivota-rosada
  Rhodothraupis Ridgway, 1898 -- valid -- Crimson-collared Grosbeaks
  Rhodothraupis celaeno (Deppe, 1830) -- valid -- Crimson-collared Grosbeak, Picogordo cuello rojo
  Rhopocichla Oates, 1889 -- valid
  Rhopocichla atriceps (Jerdon, 1839) -- valid -- Dark-fronted Babbler
  Rhopophilus Giglioli & Salvadori, 1870 -- valid
  Rhopophilus pekinensis (Swinhoe, 1868) -- valid -- Chinese Hill Warbler
  Rhopornis Richmond, 1902 -- valid
  Rhopornis ardesiaca (Wied-Neuwied, 1831) -- invalid
  Rhyacornis Blanford, 1872 -- valid
  Rhyacornis bicolor (Ogilvie-Grant, 1894) -- valid -- Luzon Water Redstart
  Rhyacornis fuliginosus (Vigors, 1831) -- invalid
  Rhynchocetidae -- invalid
  Rhynchocyclus Cabanis & Heine, 1859 -- valid
  Rhynchocyclus brevirostris (Cabanis, 1847) -- valid -- Eye-ringed Flatbill, Mosquero de anteojos
  Rhynchocyclus fulvipectus (P. L. Sclater, 1860) -- valid -- Fulvous-breasted Flatbill
  Rhynchocyclus olivaceus (Temminck, 1820) -- valid -- Olivaceous Flatbill
  Rhynchopsitta Bonaparte, 1854 -- valid -- Thick-billed Parrots
  Rhynchopsitta pachyrhyncha (Swainson, 1827) -- valid -- Thick-billed Parrot, Cotorra-serrana occidental, Conure à gros bec, Cotorra serrana occidental, papagaio-mexicano-de-testa-vermelha
  Rhynchopsitta terrisi R. T. Moore, 1947 -- valid -- Maroon-fronted Parrot, Cotorra-serrana oriental, Conure à front brun, Cotorra serrana oriental, papagaio-de-fronte-castanha
  Rhynchortyx Ogilvie-Grant, 1893 -- valid
  Rhynchortyx cinctus (Salvin, 1876) -- valid -- Colin ceinturé, Colín carirrufo, colim-de-cara-fulva, Tawny-faced Quail
  Rhynchostruthus P. L. Sclater & Hartlaub, 1881 -- valid
  Rhynchostruthus socotranus P. L. Sclater & Hartlaub, 1881 -- valid -- Socotra Golden-winged Grosbeak
  Rhynchotus von Spix, 1825 -- valid
  Rhynchotus rufescens (Temminck, 1815) -- valid -- Red-winged Tinamou
  Rhynochetos J. Verreaux & Des Murs, 1860 -- valid
  Rhynochetos jubatus J. Verreaux & Des Murs, 1860 -- valid -- Kagu
  Rhytipterna Reichenbach, 1850 -- valid
  Rhytipterna holerythra (P. L. Sclater & Salvin, 1860) -- valid -- Rufous Mourner, Plañidera alazán
  Rhytipterna immunda (P. L. Sclater & Salvin, 1873) -- valid -- Pale-bellied Mourner
  Rhytipterna simplex (Lichtenstein, 1823) -- valid -- Greyish Mourner
  Rimator Blyth, 1847 -- valid
  Rimator malacoptilus Blyth, 1847 -- valid -- Long-billed Wren-Babbler
  Riparia T. Forster, 1817 -- valid -- Bank Swallows
  Riparia cincta (Boddaert, 1783) -- valid -- Banded Martin
  Riparia congica (Reichenow, 1888) -- valid -- Congo Martin
  Riparia paludicola (Vieillot, 1817) -- valid -- Brown-throated Martin
  Riparia riparia (Linnaeus, 1758) -- valid -- Golondrina ribereña, Bank Swallow, hirondelle de rivage, Sand Martin
  Rissa Stephens, 1826 -- valid
  Rissa brevirostris (Bruch, 1855) -- valid -- Red-legged Kittiwake, Mouette des brumes, Gaviota piquicorta, gaivota-de-pernas-vermelhas
  Rissa tridactyla (Linnaeus, 1758) -- valid -- Gaviota pata negra, Black-legged Kittiwake, Mouette tridactyle, Gaviota tridáctila, gaivota-tridáctila
  Rollandia Bonaparte, 1856 -- valid
  Rollandia microptera (Gould, 1868) -- valid -- Titicaca Grebe
  Rollandia rolland (Quoy & Gaimard, 1824) -- valid -- White-tufted Grebe
  Rollulus Bonnaterre, 1791 -- valid -- Crested Partridge
  Rollulus rouloul (Scopoli, 1786) -- valid -- Rouloul couronné, Perdiz rulrul, perdiz-do-bosque-de-crista, Roulroul, Crested Partridge
  Roraimia Chapman, 1929 -- valid
  Roraimia adusta (Salvin & Godman, 1884) -- valid -- Roraiman Barbtail
  Rostratula Vieillot, 1816 -- valid
  Rostratula benghalensis (Linnaeus, 1758) -- valid -- Greater Painted Snipe, Greater Painted-snipe, Rhynchée peinte, Aguatero bengalí, narceja-pintada
  Rostratula semicollaris (Vieillot, 1816) -- invalid
  Rostratulidae Mathews, 1911 -- valid -- Painted Snipes
  Rostrhamus Lesson, 1830 -- valid -- Snail Kites
  Rostrhamus hamatus (Temminck, 1821) -- invalid -- Slender-billed Kite
  Rostrhamus sociabilis (Vieillot, 1817) -- valid -- Snail Kite, Gavilán caracolero, Milan des marais
  Rougetius Bonaparte, 1856 -- valid
  Rougetius rougetii (Guerin-Meneville, 1843) -- valid -- Rouget's Rail
  Rowettia Lowe, 1923 -- valid
  Rowettia goughensis (W. E. Clarke, 1904) -- valid -- Gough Finch, Rowettie de Gough, Yal de Gough, Gough Island Finch
  Rukia Momiyama, 1922 -- valid -- Greater White-eyes
  Rukia longirostra (Taka-Tsukasa & Yamashina, 1931) -- valid -- Pohnpei Greater White-eye, Ponape Greater White-eye, Long-billed White-eye
  Rukia palauensis (Reichenow, 1915) -- invalid -- Palau Greater White-eye
  Rukia ruki (Hartert, 1897) -- valid -- Truk Greater White-eye, Teardrop White-eye
  Rupicola Brisson, 1760 -- valid
  Rupicola peruviana (Latham, 1790) -- invalid
  Rupicola rupicola (Linnaeus, 1766) -- valid -- Guianan Cock-of-the-rock
  Rynchops Linnaeus, 1758 -- valid -- Skimmers
  Rynchops albicollis Swainson, 1838 -- valid -- Indian Skimmer, Bec-en-ciseaux à collier, Rayador indio, talha-mar-asiático
  Rynchops flavirostris Vieillot, 1816 -- valid -- African Skimmer, Bec-en-ciseaux d'Afrique, Rayador africano, talha-mar-africano
  Rynchops niger Linnaeus, 1758 -- valid -- Rayador americano, Black Skimmer, Bec-en-ciseaux noir, talha-mar
  Sagittariidae -- valid -- Secretarybird
  Sagittarius Hermann, 1783 -- valid
  Sagittarius serpentarius (J. F. Miller, 1779) -- valid -- Secretarybird
  Sakesphorus Chubb, 1918 -- valid
  Sakesphorus bernardi (Lesson, 1844) -- invalid -- Collared Antshrike
  Sakesphorus canadensis (Linnaeus, 1766) -- valid -- Black-crested Antshrike
  Sakesphorus cristatus (Wied-Neuwied, 1831) -- valid -- Silvery-cheeked Antshrike
  Sakesphorus luctuosus (Lichtenstein, 1823) -- valid -- Glossy Antshrike
  Sakesphorus melanonotus (P. L. Sclater, 1855) -- invalid -- Black-backed Antshrike
  Sakesphorus melanothorax (P. L. Sclater, 1857) -- invalid -- Band-tailed Antshrike
  Salpinctes Cabanis, 1847 -- valid -- Rock Wrens
  Salpinctes obsoletus (Say, 1822) -- valid -- Rock Wren, Chivirín saltarroca
  Salpornis G. R. Gray, 1847 -- valid
  Salpornis spilonotus (Franklin, 1831) -- valid -- Spotted Creeper
  Saltator Vieillot, 1816 -- valid
  Saltator albicollis Vieillot, 1817 -- valid -- Lesser Antillean Saltator, Saltator gros-bec, Pepitero antillano, saltador-das-antilhas
  Saltator atriceps (R. Lesson, 1832) -- valid -- Picurero cabeza negra, Black-headed Saltator, Saltator à tête noire, Pepitero cabecinegro, bicudo-cabeça-preta
  Saltator atricollis Vieillot, 1817 -- invalid -- Black-throated Saltator
  Saltator atripennis P. L. Sclater, 1857 -- valid -- Black-winged Saltator, Saltator à ailes noires, Pepitero alinegro, bicudo-de-asa-preta
  Saltator aurantiirostris Vieillot, 1817 -- valid -- Golden-billed Saltator, Saltator à bec orange, Pepitero piquigualdo, bico-duro
  Saltator cinctus J. T. Zimmer, 1943 -- valid -- Masked Saltator, Saltator masqué, Pepitero enmascarado, saltador-mascarado
  Saltator coerulescens Vieillot, 1817 -- valid -- Picurero grisáceo, Greyish Saltator, Grayish Saltator, Blue-grey Saltator, Saltator gris, Pepitero grisáceo del Amazonas, sabiá-gongá, Blue-gray Saltator, Amazonian Grey Saltator
  Saltator fuliginosus (Daudin, 1800) -- valid -- Black-throated Grosbeak, Saltator fuligineux, Pepitero fuliginoso, bico-de-pimenta
  Saltator grossus (Linnaeus, 1767) -- valid -- Slate-colored Grosbeak, Saltator ardoisé, Pepitero pizarroso, bico-encarnado
  Saltator maxillosus Cabanis, 1851 -- valid -- Thick-billed Saltator, Saltator à bec épais, Pepitero picudo, bico-grosso
  Saltator maximus (P. L. S. Müller, 1776) -- valid -- Picurero bosquero, Buff-throated Saltator, Saltator des grands-bois, Pepitero gorjicanelo, tempera-viola
  Saltator nigriceps (Chapman, 1914) -- valid -- Black-cowled Saltator, Saltator à capuchon, Pepitero capuchinegro, saltador-de-capota-negra
  Saltator orenocensis Lafresnaye, 1846 -- valid -- Orinoco Saltator, Saltator de l'Orénoque, Pepitero del Orinoco, saltador-de-peito-branco
  Saltator rufiventris d'Orbigny & Lafresnaye, 1837 -- invalid -- Rufous-bellied Saltator
  Saltator similis d'Orbigny & Lafresnaye, 1837 -- valid -- Green-winged Saltator, Saltator olive, Pepitero verdoso, trinca-ferro
  Saltator striatipectus Lafresnaye, 1847 -- valid -- Streaked Saltator, Saltator strié, Pepitero listado, bicudo-listrado
  Saltatricula Burmeister, 1861 -- valid
  Saltatricula multicolor (Burmeister, 1860) -- valid -- Many-colored Chaco Finch, Saltator du Chaco, Pepitero chico, batuqueiro-chaquenho
  Salvadorina Rothschild & E. Hartert, 1894 -- valid
  Salvadorina waigiuensis Rothschild & E. Hartert, 1894 -- valid -- Salvadori's Teal, Canard de Salvadori, Ánade papúa, marreca-papua
  Sapayoa Hartert, 1903 -- valid
  Sapayoa aenigma Hartert, 1903 -- valid -- Sapayoa, Broad-billed Sapayoa
  Sapheopipo Hargitt, 1890 -- invalid
  Sapheopipo noguchii (Seebohm, 1887) -- invalid -- Okinawa Woodpecker
  Sappho Reichenbach, 1849 -- valid
  Sappho sparganura (Shaw, 1812) -- invalid -- Red-tailed Comet
  Sarcogyps Lesson, 1842 -- valid
  Sarcogyps calvus (Scopoli, 1786) -- valid -- Red-headed Vulture
  Sarcops Walden, 1875 -- valid
  Sarcops calvus (Linnaeus, 1766) -- valid -- Coleto
  Sarcoramphus Dumeril, 1805 -- valid
  Sarcoramphus papa (Linnaeus, 1758) -- valid -- Zopilote rey, King Vulture, Sarcoramphe roi
  Sarkidiornis Eyton, 1838 -- valid
  Sarkidiornis melanotos (Pennant, 1769) -- valid -- Knob-billed Duck, Comb Duck, Canard à bosse, Pato crestudo afroasiático, pato-de-carúncula
  Saroglossa Hodgson, 1844 -- valid
  Saroglossa aurata (Statius Muller, 1776) -- invalid -- Madagascar Starling
  Saroglossa spiloptera (Vigors, 1831) -- valid -- Spot-winged Starling
  Sarothrura Heine, 1890 -- valid
  Sarothrura affinis (A. Smith, 1828) -- valid -- Striped Flufftail
  Sarothrura ayresi (Gurney, 1877) -- valid -- White-winged Flufftail
  Sarothrura boehmi Reichenow, 1900 -- valid -- Streaky-breasted Flufftail
  Sarothrura elegans (A. Smith, 1839) -- valid -- Buff-spotted Flufftail
  Sarothrura insularis (Sharpe, 1870) -- valid -- Madagascar Flufftail
  Sarothrura lugens (Bohm, 1884) -- valid -- Chestnut-headed Flufftail
  Sarothrura pulchra (J. E. Gray, 1829) -- valid -- White-spotted Flufftail
  Sarothrura rufa (Vieillot, 1819) -- valid -- Red-chested Flufftail
  Sarothrura watersi (Bartlett, 1880) -- valid -- Slender-billed Flufftail
  Sasia Hodgson, 1837 -- valid
  Sasia abnormis (Temminck, 1825) -- valid -- Rufous Piculet
  Sasia africana J. Verreaux & E. Verreaux, 1855 -- valid -- African Piculet
  Sasia ochracea Hodgson, 1837 -- valid -- White-browed Piculet
  Satrapa Strickland, 1844 -- valid
  Satrapa icterophrys (Vieillot, 1818) -- valid -- Yellow-browed Tyrant
  Saurothera Vieillot, 1816 -- valid -- Lizard-Cuckoos
  Saurothera longirostris (Hermann, 1783) -- valid -- Hispaniolan Lizard-Cuckoo
  Saurothera merlini Orbigny, 1839 -- valid -- Great Lizard-Cuckoo
  Saurothera vetula (Linnaeus, 1758) -- valid -- Jamaican Lizard-Cuckoo
  Saurothera vieilloti Bonaparte, 1850 -- valid -- Puerto Rican Lizard-Cuckoo
  Saxicola Bechstein, 1802 -- valid
  Saxicola bifasciata Temminck, 1829 -- invalid -- Buff-streaked Chat
  Saxicola caprata (Linnaeus, 1766) -- valid -- Pied Bush Chat
  Saxicola dacotiae (Meade-Waldo, 1889) -- valid -- Canary Islands Bush Chat
  Saxicola ferrea J. E. Gray & G. R. Gray, 1847 -- invalid
  Saxicola gutturalis (Vieillot, 1818) -- valid -- White-bellied Bush Chat
  Saxicola insignis J. E. Gray & G. R. Gray, 1847 -- valid -- White-throated Bush Chat
  Saxicola jerdoni (Blyth, 1867) -- valid -- Jerdon's Bush Chat
  Saxicola leucura (Blyth, 1847) -- invalid
  Saxicola macrorhyncha (Stoliczka, 1872) -- invalid
  Saxicola rubetra (Linnaeus, 1758) -- valid -- Whinchat
  Saxicola tectes (Gmelin, 1789) -- valid -- Reunion Stonechat
  Saxicola torquata (Linnaeus, 1766) -- invalid
  Saxicoloides Lesson, 1831 -- valid
  Saxicoloides fulicata (Linnaeus, 1766) -- invalid
  Sayornis Bonaparte, 1854 -- valid -- Phoebes
  Sayornis nigricans (Swainson, 1827) -- valid -- Black Phoebe, Papamoscas negro
  Sayornis phoebe (Latham, 1790) -- valid -- Papamoscas fibí, Eastern Phoebe, moucherolle phébi
  Sayornis saya (Bonaparte, 1825) -- valid -- Papamoscas llanero, Say's Phoebe, moucherolle à ventre roux
  Scaphidura Swainson, 1837 -- invalid
  Scaphidura oryzivora (Gmelin, 1788) -- invalid -- Tordo gigante
  Sceloglaux Kaup, 1848 -- valid
  Sceloglaux albifacies (G. R. Gray, 1844) -- valid -- Laughing Owl
  Scelorchilus Oberholser, 1923 -- valid
  Scelorchilus albicollis (Kittlitz, 1830) -- valid -- White-throated Tapaculo
  Scelorchilus rubecula (Kittlitz, 1830) -- valid -- Chucao Tapaculo
  Scepomycter Grant & Mackworth-Praed, 1941 -- valid
  Scepomycter winifredae (Moreau, 1938) -- valid
  Schetba Lesson, 1831 -- valid
  Schetba rufa (Linnaeus, 1766) -- valid -- Rufous Vanga
  Schiffornis Bonaparte, 1854 -- valid
  Schiffornis major Des Murs, 1856 -- valid -- Varzea Schiffornis
  Schiffornis turdinus (Wied-Neuwied, 1831) -- invalid -- Saltarín café
  Schiffornis virescens (Lafresnaye, 1838) -- valid -- Greenish Schiffornis
  Schistochlamys Reichenbach, 1850 -- valid
  Schistochlamys melanopis (Latham, 1790) -- valid -- Black-faced Tanager, Tangara à camail, Tangara carinegra, sanhaço-de-coleira
  Schistochlamys ruficapillus (Vieillot, 1817) -- valid -- Cinnamon Tanager, Tangara cannelle, Tangara canela, bico-de-veludo
  Schizoeaca Cabanis, 1873 -- valid
  Schizoeaca coryi (Berlepsch, 1888) -- valid -- Ochre-browed Thistletail
  Schizoeaca fuliginosa (Lafresnaye, 1843) -- valid -- White-chinned Thistletail
  Schizoeaca griseomurina (P. L. Sclater, 1882) -- valid -- Mouse-colored Thistletail
  Schizoeaca harterti Berlepsch, 1901 -- valid -- Black-throated Thistletail
  Schizoeaca helleri Chapman, 1923 -- valid -- Puna Thistletail
  Schizoeaca moreirae (Ribeiro, 1906) -- invalid
  Schizoeaca palpebralis Cabanis, 1873 -- valid -- Eye-ringed Thistletail
  Schizoeaca perijana W. H. Phelps Jr, 1977 -- valid -- Perija Thistletail
  Schizoeaca vilcabambae Vaurie, Weske & Terborgh, 1972 -- valid -- Vilcabamba Thistletail
  Schoenicola Blyth, 1844 -- valid
  Schoenicola brevirostris (Sundevall, 1850) -- valid -- Fan-tailed Grassbird
  Schoenicola platyura (Jerdon, 1844) -- invalid
  Schoeniophylax Ridgway, 1909 -- valid
  Schoeniophylax phryganophila (Vieillot, 1817) -- invalid
  Schoutedenapus De Roo, 1968 -- valid
  Schoutedenapus myoptilus (Salvadori, 1888) -- valid -- Scarce Swift
  Schoutedenapus schoutedeni (Prigogine, 1960) -- invalid -- Schouteden's Swift
  Scissirostrum Lafresnaye, 1845 -- valid
  Scissirostrum dubium (Latham, 1802) -- valid -- Grosbeak Starling
  Sclateria Oberholser, 1899 -- valid
  Sclateria naevia (Gmelin, 1788) -- valid -- Silvered Antbird
  Scleroptila Blyth, 1852 -- valid
  Scleroptila africanus (Stephens, 1819) -- invalid
  Scleroptila finschi (Barboza du Bocage, 1881) -- valid -- Finsch's Francolin, Francolin de Finsch, Francolín de Finsch, francolim-de-cara-ruiva
  Scleroptila levaillantii (Valenciennes, 1825) -- valid -- Red-winged Francolin, Francolin de Levaillant, Francolín alirrojo, francolim-d'asa-vermelha, Red-wing Francolin
  Scleroptila levalliantoides (A. Smith, 1836) -- invalid
  Scleroptila psilolaemus (G. R. Gray, 1867) -- invalid
  Scleroptila shelleyi (Ogilvie-Grant, 1890) -- valid -- Shelley's Francolin, Francolin de Shelley, Francolín de Shelley, francolim-de-shelley
  Scleroptila streptophorus (Ogilvie-Grant, 1891) -- invalid
  Sclerurus Swainson, 1827 -- valid
  Sclerurus albigularis P. L. Sclater & Salvin, 1869 -- valid -- Gray-throated Leaftosser, Grey-throated Leaftosser
  Sclerurus caudacutus (Vieillot, 1816) -- valid -- Black-tailed Leaftosser
  Sclerurus guatemalensis (Hartlaub, 1844) -- valid -- Scaly-throated Leaftosser, Hojarasquero oscuro
  Sclerurus mexicanus P. L. Sclater, 1857 -- valid -- Tawny-throated Leaftosser, Hojarasquero pecho rufo
  Sclerurus rufigularis Pelzeln, 1868 -- valid -- Short-billed Leaftosser
  Sclerurus scansor (Menetries, 1835) -- valid -- Rufous-breasted Leaftosser
  Scolopacidae Rafinesque, 1815 -- valid -- Sandpipers, bécasseaux, Snipes
  Scolopax Linnaeus, 1758 -- valid -- Woodcocks
  Scolopax celebensis Riley, 1921 -- valid -- Sulawesi Woodcock, Bécasse des Célèbes, Chocha de Célebes, galinhola-das-celebes
  Scolopax minor J. F. Gmelin, 1789 -- valid -- Chocha americana, American Woodcock, Bécasse d'Amérique, galinhola-pequena
  Scolopax mira E. Hartert, 1916 -- valid -- Amami Woodcock, Bécasse d'Amami, Chocha de Amami, galinhola-japonesa
  Scolopax rochussenii Schlegel, 1866 -- valid -- Moluccan Woodcock, Bécasse des Moluques, Chocha moluqueña, galinhola-das-molucas
  Scolopax rusticola Linnaeus, 1758 -- valid -- Eurasian Woodcock, Bécasse des bois, Chocha perdiz, galinhola
  Scolopax saturata Horsfield, 1821 -- valid -- Javan Woodcock, Bécasse de Java, Chocha oscura, galinhola-ruiva
  Scopidae Bonaparte, 1849 -- valid -- Hamerkop
  Scopus Brisson, 1760 -- valid
  Scopus umbretta Gmelin, 1789 -- valid -- Hamerkop
  Scotocerca Sundevall, 1872 -- valid
  Scotocerca inquieta (Cretzschmar, 1830) -- valid -- Scrub Warbler
  Scotopelia Bonaparte, 1850 -- valid
  Scotopelia bouvieri Sharpe, 1875 -- valid -- Vermiculated Fishing Owl
  Scotopelia peli Bonaparte, 1850 -- valid -- Pel's Fishing Owl
  Scotopelia ussheri Sharpe, 1871 -- valid -- Rufous Fishing Owl
  Scytalopus Gould, 1837 -- valid
  Scytalopus acutirostris (Tschudi, 1844) -- valid -- Tschudi's Tapaculo
  Scytalopus affinis Zimmer, 1939 -- valid -- Ancash Tapaculo
  Scytalopus altirostris Zimmer, 1939 -- valid -- Neblina Tapaculo
  Scytalopus argentifrons Ridgway, 1891 -- valid -- Silvery-fronted Tapaculo
  Scytalopus atratus Hellmayr, 1922 -- valid -- Northern White-crowned Tapaculo
  Scytalopus bolivianus Allen, 1889 -- valid -- Bolivian White-crowned Tapaculo
  Scytalopus canus Chapman, 1915 -- valid -- Paramo Tapaculo
  Scytalopus caracae Hellmayr, 1922 -- valid -- Caracas Tapaculo
  Scytalopus chocoensis Krabbe & Schulenberg, 1997 -- valid -- Choco Tapaculo
  Scytalopus femoralis (Tschudi, 1844) -- valid -- Rufous-vented Tapaculo
  Scytalopus fuscus Gould, 1837 -- valid -- Dusky Tapaculo
  Scytalopus griseicollis (Lafresnaye, 1840) -- valid -- Rufous-rumped Tapaculo
  Scytalopus indigoticus (Wied-Neuwied, 1831) -- invalid -- White-breasted Tapaculo
  Scytalopus infasciatus Chapman, 1915 -- invalid -- Cundinamarca Tapaculo
  Scytalopus latebricola Bangs, 1899 -- valid -- Brown-rumped Tapaculo
  Scytalopus macropus Berlepsch & Stolzmann, 1896 -- valid -- Large-footed Tapaculo
  Scytalopus magellanicus (Gmelin, 1789) -- valid -- Magellanic Tapaculo
  Scytalopus meridanus Hellmayr, 1922 -- valid -- Merida Tapaculo
  Scytalopus micropterus (P. L. Sclater, 1858) -- valid -- Long-tailed Tapaculo
  Scytalopus novacapitalis Sick, 1958 -- valid -- Brasilia Tapaculo
  Scytalopus panamensis Chapman, 1915 -- valid -- Tacarcuna Tapaculo
  Scytalopus parkeri Krabbe & Schulenberg, 1997 -- valid -- Chusquea Tapaculo
  Scytalopus parvirostris Zimmer, 1939 -- valid -- Trilling Tapaculo
  Scytalopus psychopompus Teixeira & Carnevalli, 1989 -- invalid -- Bahia Tapaculo
  Scytalopus robbinsi Krabbe & Schulenberg, 1997 -- valid -- El Oro Tapaculo
  Scytalopus sanctamartae Chapman, 1915 -- invalid
  Scytalopus schulenbergi B. M. Whitney, 1994 -- valid -- Diademed Tapaculo
  Scytalopus simonsi Chubb, 1917 -- valid -- Puna Tapaculo
  Scytalopus speluncae (Ménétriés, 1835) -- valid -- Mouse-colored Tapaculo
  Scytalopus spillmanni Stresemann, 1937 -- valid -- Spillmann's Tapaculo
  Scytalopus superciliaris Cabanis, 1883 -- valid -- White-browed Tapaculo
  Scytalopus unicolor Salvin, 1895 -- valid -- Unicolored Tapaculo
  Scytalopus urubambae Zimmer, 1939 -- valid -- Vilcabamba Tapaculo
  Scytalopus vicinior Zimmer, 1939 -- valid -- Narino Tapaculo
  Scytalopus zimmeri Bond & Meyer de Schauensee, 1940 -- valid -- Zimmer's Tapaculo
  Scythrops Latham, 1790 -- valid
  Scythrops novaehollandiae Latham, 1790 -- valid -- Channel-billed Cuckoo
  Seicercus Swainson, 1837 -- valid
  Seicercus affinis (Moore, 1854) -- valid -- White-spectacled Warbler
  Seicercus burkii (Burton, 1836) -- valid -- Green-crowned Warbler
  Seicercus castaniceps (Hodgson, 1845) -- valid -- Chestnut-crowned Warbler
  Seicercus grammiceps (Strickland, 1849) -- valid -- Sunda Warbler
  Seicercus montis (Sharpe, 1887) -- valid -- Yellow-breasted Warbler
  Seicercus poliogenys (Blyth, 1847) -- valid -- Grey-cheeked Warbler
  Seicercus xanthoschistos (J. E. Gray & G. R. Gray, 1847) -- invalid
  Seiurus Swainson, 1827 -- valid -- Ovenbirds
  Seiurus aurocapillus (Linnaeus, 1766) -- invalid -- Chipe suelero, Ovenbird, paruline couronnée
  Seiurus motacilla (Vieillot, 1809) -- invalid -- Chipe arroyero, Louisiana Waterthrush, paruline hochequeue
  Seiurus noveboracensis (J. F. Gmelin, 1789) -- invalid -- Chipe charquero, Northern Waterthrush, paruline des ruisseaux
  Selasphorus Swainson, 1832 -- valid -- Rufous Hummingbirds
  Selasphorus ardens Salvin, 1870 -- valid -- Glow-throated Hummingbird
  Selasphorus flammula Salvin, 1865 -- valid -- Volcano Hummingbird
  Selasphorus platycercus (Swainson, 1827) -- valid -- Broad-tailed Hummingbird, Zumbador cola ancha
  Selasphorus rufus (J. F. Gmelin, 1788) -- valid -- Rufous Hummingbird, Zumbador rufo
  Selasphorus sasin (R. Lesson, 1829) -- valid -- Allen's Hummingbird, Zumbador de Allen
  Selasphorus scintilla (Gould, 1851) -- valid -- Scintillant Hummingbird
  Selenidera Gould, 1837 -- valid
  Selenidera culik (Wagler, 1827) -- invalid -- Guianan Toucanet
  Selenidera gouldii (Natterer, 1837) -- valid -- Gould's Toucanet
  Selenidera maculirostris (M. H. K. Lichtenstein, 1823) -- valid -- Spot-billed Toucanet
  Selenidera nattereri (Gould, 1835) -- valid -- Tawny-tufted Toucanet
  Selenidera reinwardtii (Wagler, 1827) -- valid -- Golden-collared Toucanet
  Selenidera spectabilis Cassin, 1858 -- valid -- Yellow-eared Toucanet
  Seleucidis Lesson, 1834 -- valid
  Seleucidis melanoleuca (Daudin, 1800) -- invalid
  Semioptera G. R. Gray, 1859 -- valid
  Semioptera wallacii G. R. Gray, 1859 -- valid -- Standardwing
  Semnornis Richmond, 1900 -- valid
  Semnornis frantzii (P. L. Sclater, 1864) -- valid -- Prong-billed Barbet
  Semnornis ramphastinus (Jardine, 1855) -- valid -- Toucan Barbet
  Sephanoides G. R. Gray, 1840 -- valid
  Sephanoides fernandensis (P. P. King, 1831) -- valid -- Juan Fernandez Firecrown
  Sephanoides sephaniodes (R. Lesson & Garnot, 1827) -- valid -- Green-backed Firecrown
  Sericornis Gould, 1838 -- valid
  Sericornis arfakianus (Salvadori, 1876) -- valid -- Grey-green Scrubwren
  Sericornis beccarii Salvadori, 1874 -- valid
  Sericornis citreogularis Gould, 1838 -- valid -- Yellow-throated Scrubwren
  Sericornis frontalis (Vigors & Horsfield, 1827) -- valid -- White-browed Scrubwren
  Sericornis humilis Gould, 1838 -- valid
  Sericornis keri Mathews, 1920 -- valid -- Atherton Scrubwren
  Sericornis magnirostris (Gould, 1838) -- invalid
  Sericornis nouhuysi Oort, 1909 -- valid -- Large Scrubwren
  Sericornis papuensis (De Vis, 1894) -- valid -- Papuan Scrubwren
  Sericornis perspicillatus Salvadori, 1896 -- valid -- Buff-faced Scrubwren
  Sericornis rufescens (Salvadori, 1876) -- valid -- Vogelkop Scrubwren
  Sericornis spilodera (G. R. Gray, 1859) -- valid -- Pale-billed Scrubwren
  Sericornis virgatus (Reichenow, 1915) -- valid
  Sericossypha R. Lesson, 1844 -- valid
  Sericossypha albocristata (Lafresnaye, 1843) -- valid -- White-capped Tanager, Tangara à coiffe blanche, Tangara coroniblanca
  Sericulus Swainson, 1825 -- valid
  Sericulus aureus (Linnaeus, 1758) -- valid -- Masked Bowerbird
  Sericulus bakeri (Chapin, 1929) -- valid -- Fire-maned Bowerbird
  Sericulus chrysocephalus (Lewin, 1808) -- valid -- Regent Bowerbird
  Serilophus Swainson, 1837 -- valid
  Serilophus lunatus (Gould, 1834) -- valid -- Silver-breasted Broadbill
  Serinus Koch, 1816 -- valid -- Canaries
  Serinus alario (Linnaeus, 1758) -- valid -- Black-headed Canary
  Serinus albogularis (A. Smith, 1833) -- invalid -- White-throated Canary
  Serinus ankoberensis Ash, 1979 -- invalid -- Ankober Serin
  Serinus atrogularis (A. Smith, 1836) -- invalid -- Black-throated Canary
  Serinus buchanani Hartert, 1919 -- invalid -- Southern Grosbeak-Canary
  Serinus burtoni (G. R. Gray, 1862) -- invalid -- Thick-billed Seedeater
  Serinus canaria (Linnaeus, 1758) -- valid -- Common Canary, Atlantic Canary
  Serinus canicapillus (Du Bus de Gisignies, 1855) -- invalid -- West African Seedeater
  Serinus canicollis (Swainson, 1838) -- valid -- Cape Canary
  Serinus capistratus (Finsch, 1870) -- invalid -- Black-faced Canary
  Serinus citrinella (Pallas, 1764) -- invalid
  Serinus citrinelloides Rüppell, 1840 -- invalid -- African Citril
  Serinus citrinipectus Clancey & Lawson, 1960 -- invalid -- Lemon-breasted Canary
  Serinus donaldsoni Sharpe, 1895 -- invalid -- Northern Grosbeak-Canary
  Serinus dorsostriatus (Reichenow, 1887) -- invalid -- White-bellied Canary
  Serinus estherae (Finsch, 1902) -- invalid -- Mountain Serin
  Serinus flavigula Salvadori, 1888 -- invalid -- Yellow-throated Seedeater
  Serinus flaviventris (J. F. Gmelin, 1789) -- invalid -- Yellow Canary
  Serinus frontalis Reichenow, 1904 -- invalid -- Western Citril
  Serinus gularis (A. Smith, 1836) -- invalid -- Streaky-headed Seedeater
  Serinus hypostictus (Reichenow, 1904) -- invalid
  Serinus koliensis C. H. B. Grant & Mackworth-Praed, 1952 -- invalid -- Papyrus Canary
  Serinus leucolaema (Sharpe, 1903) -- invalid
  Serinus leucopterus (Sharpe, 1871) -- invalid -- Protea Canary
  Serinus leucopygius (Sundevall, 1850) -- invalid -- White-rumped Seedeater
  Serinus melanochrous Reichenow, 1900 -- invalid -- Kipengere Seedeater
  Serinus menachensis (Ogilvie-Grant, 1913) -- invalid -- Yemen Serin
  Serinus mennelli (E. C. Chubb, 1908) -- invalid -- Black-eared Seedeater
  Serinus mozambicus (P. L. Statius Müller, 1776) -- invalid -- Yellow-fronted Canary
  Serinus nigriceps Rüppell, 1840 -- valid -- Ethiopian Siskin
  Serinus pusillus (Pallas, 1811) -- valid -- Red-fronted Serin
  Serinus reichardi (Reichenow, 1882) -- invalid -- Reichard's Seedeater
  Serinus reichenowi Salvadori, 1888 -- invalid -- Reichenow's Seedeater
  Serinus rothschildi Ogilvie-Grant, 1902 -- invalid -- Arabian Serin
  Serinus rufobrunneus (G. R. Gray, 1862) -- invalid -- Principe Seedeater
  Serinus scotops (Sundevall, 1850) -- invalid -- Forest Canary
  Serinus serinus (Linnaeus, 1766) -- valid -- European Serin
  Serinus striolatus (Rüppell, 1840) -- invalid -- Streaky Seedeater
  Serinus sulphuratus (Linnaeus, 1766) -- invalid -- Brimstone Canary
  Serinus symonsi (Roberts, 1916) -- invalid -- Drakensberg Siskin
  Serinus syriacus Bonaparte, 1850 -- valid -- Syrian Serin
  Serinus thibetanus (Hume, 1872) -- invalid -- Tibetan Serin
  Serinus totta (Sparrman, 1786) -- invalid -- Cape Siskin
  Serinus tristriatus Rüppell, 1840 -- invalid -- Brown-rumped Seedeater
  Serinus whytii Shelley, 1897 -- invalid -- Yellow-browed Seedeater
  Serinus xanthopygius Rüppell, 1840 -- invalid -- Yellow-rumped Seedeater
  Serpophaga Gould, 1839 -- valid
  Serpophaga cinerea (Tschudi, 1844) -- valid -- Torrent Tyrannulet
  Serpophaga hypoleuca P. L. Sclater & Salvin, 1866 -- valid -- River Tyrannulet
  Serpophaga munda Berlepsch, 1893 -- valid -- White-bellied Tyrannulet
  Serpophaga nigricans (Vieillot, 1817) -- valid -- Sooty Tyrannulet
  Serpophaga subcristata (Vieillot, 1817) -- valid -- White-crested Tyrannulet
  Setophaga Swainson, 1827 -- valid -- Redstarts
  Setophaga ruticilla (Linnaeus, 1758) -- valid -- Chipe flameante, American Redstart, Paruline flamboyante
  Setornis Lesson, 1839 -- valid
  Setornis criniger Lesson, 1839 -- valid -- Hook-billed Bulbul
  Sheppardia Haagner, 1909 -- valid
  Sheppardia aequatorialis (Jackson, 1906) -- valid -- Equatorial Akalat
  Sheppardia bocagei (Finsch & Hartlaub, 1870) -- valid -- Bocage's Robin
  Sheppardia cyornithopsis (Sharpe, 1901) -- valid -- Lowland Akalat
  Sheppardia gabela (Rand, 1957) -- valid -- Gabela Akalat
  Sheppardia gunningi Haagner, 1909 -- valid -- East Coast Akalat
  Sheppardia lowei (Grant & Mackworth-Praed, 1941) -- valid -- Iringa Akalat
  Sheppardia montana (Reichenow, 1907) -- valid -- Usambara Akalat
  Sheppardia poensis (Alexander, 1903) -- invalid -- Alexander's Robin
  Sheppardia sharpei (Shelley, 1903) -- valid -- Sharpe's Akalat
  Sialia Swainson, 1827 -- valid -- Bluebirds
  Sialia currucoides (Bechstein, 1798) -- valid -- Azulejo pálido, Mountain Bluebird, merlebleu azuré
  Sialia mexicana Swainson, 1832 -- valid -- Azulejo garganta azul, Western Bluebird, merle-bleu de l'ouest
  Sialia sialis (Linnaeus, 1758) -- valid -- Azulejo garganta canela, Eastern Bluebird, merlebleu de l'est
  Sicalis F. Boie, 1828 -- valid -- Saffron Finches
  Sicalis auriventris Philippi & Landbeck, 1864 -- valid -- Greater Yellow Finch, Grand Sicale, Chirigüe grande, Greater Yellow-Finch, Greater Yellow-finch
  Sicalis citrina Pelzeln, 1870 -- valid -- Stripe-tailed Yellow Finch, Sicale citrin, Chirigüe citrino, canário-rasteiro, Stripe-tailed Yellow-Finch, Stripe-tailed Yellow-finch
  Sicalis columbiana Cabanis, 1851 -- valid -- Orange-fronted Yellow Finch, Sicale à béret, Chirigüe frentinaranja, canário-do-amazonas, Orange-fronted Yellow-Finch, Orange-fronted Yellow-finch
  Sicalis flaveola (Linnaeus, 1766) -- valid -- Sicale bouton-d'or, Chirigüe azafranado, canário-da-terra, Saffron Finch
  Sicalis lebruni (Oustalet, 1891) -- valid -- Patagonian Yellow Finch, Sicale de Patagonie, Chirigüe austral, Patagonian Yellow-Finch, Patagonian Yellow-finch
  Sicalis lutea (d'Orbigny & Lafresnaye, 1837) -- valid -- Puna Yellow Finch, Sicale jaune, Chirigüe puneño, canário-do-peru, Puna Yellow-Finch, Puna Yellow-finch
  Sicalis luteiventris (Meyen, 1834) -- invalid
  Sicalis luteocephala (d'Orbigny & Lafresnaye, 1837) -- valid -- Citron-headed Yellow Finch, Sicale à tête jaune, Chirigüe cabecigualdo, Citron-headed Yellow-Finch, Citron-headed Yellow-finch
  Sicalis luteola (Sparrman, 1789) -- valid -- Gorrión-canario sabanero, Grassland Yellow-Finch, Grassland Yellow Finch, Sicale des savanes, Chirigüe sabanero, tipio, Grassland Yellow-finch
  Sicalis olivascens (d'Orbigny & Lafresnaye, 1837) -- valid -- Greenish Yellow Finch, Sicale olivâtre, Chirigüe oliváceo, Greenish Yellow-Finch, Greenish Yellow-finch
  Sicalis raimondii Taczanowski, 1874 -- valid -- Raimondi's Yellow Finch, Sicale de Raimondi, Chirigüe de Raimondi, Raimondi's Yellow-Finch, Raimondi's Yellow-finch
  Sicalis taczanowskii Sharpe, 1888 -- valid -- Sulphur-throated Finch, Sicale de Taczanowski, Chirigüe de Taczanowski, Sulphur-throated Yellow Finch
  Sicalis uropygialis (d'Orbigny & Lafresnaye, 1837) -- invalid -- Bright-rumped Yellow Finch, Bright-rumped Yellow-Finch
  Sigelus Cabanis, 1850 -- valid
  Sigelus silens (Shaw, 1809) -- valid -- Fiscal Flycatcher
  Silvicultrix Lanyon, 1986 -- invalid
  Silvicultrix diadema (Hartlaub, 1843) -- invalid
  Silvicultrix frontalis (Lafresnaye, 1847) -- invalid
  Silvicultrix jelskii (Taczanowski, 1883) -- invalid
  Silvicultrix pulchella (P. L. Sclater & Salvin, 1876) -- invalid
  Simoxenops Chapman, 1937 -- invalid
  Simoxenops striatus (Carriker, 1936) -- invalid
  Simoxenops ucayalae (Chapman, 1928) -- invalid
  Siphonorhis P. L. Sclater, 1861 -- valid
  Siphonorhis americanus (Linnaeus, 1758) -- invalid
  Siphonorhis brewsteri (Chapman, 1917) -- valid -- Least Poorwill, Least Pauraque
  Sipodotus Mathews, 1928 -- valid
  Sipodotus wallacii (G. R. Gray, 1862) -- valid -- Wallace's Fairywren
  Siptornis Reichenbach, 1853 -- valid
  Siptornis striaticollis (Lafresnaye, 1843) -- valid -- Spectacled Prickletail
  Siptornopsis Cory, 1919 -- valid
  Siptornopsis hypochondriacus (Salvin, 1895) -- invalid
  Sirystes Cabanis & Heine, 1859 -- valid
  Sirystes sibilator (Vieillot, 1818) -- valid -- Sirystes, Eastern Sirystes
  Sitta Linnaeus, 1758 -- valid -- Nuthatches
  Sitta azurea Lesson, 1830 -- valid -- Blue Nuthatch
  Sitta canadensis Linnaeus, 1766 -- valid -- Sita canadiense, Red-breasted Nuthatch, sittelle à poitrine rousse
  Sitta carolinensis Latham, 1790 -- valid -- Sita pecho blanco, White-breasted Nuthatch, sittelle à poitrine blanche
  Sitta cashmirensis W. E. Brooks, 1871 -- valid -- Kashmir Nuthatch
  Sitta castanea Lesson, 1830 -- valid -- Chestnut-bellied Nuthatch
  Sitta europaea Linnaeus, 1758 -- valid -- Eurasian Nuthatch
  Sitta formosa Blyth, 1843 -- valid -- Beautiful Nuthatch
  Sitta frontalis Swainson, 1820 -- valid -- Velvet-fronted Nuthatch
  Sitta himalayensis Jardine & Selby, 1835 -- valid -- White-tailed Nuthatch
  Sitta krueperi Pelzeln, 1863 -- valid -- Krüper's Nuthatch
  Sitta ledanti Vielliard, 1976 -- valid -- Algerian Nuthatch
  Sitta leucopsis Gould, 1850 -- valid -- White-cheeked Nuthatch
  Sitta magna R. G. W. Ramsay, 1876 -- valid -- Giant Nuthatch
  Sitta nagaensis Godwin-Austen, 1874 -- valid -- Chestnut-vented Nuthatch
  Sitta neumayer Michahelles, 1830 -- valid -- Western Rock Nuthatch
  Sitta oenochlamys (Sharpe, 1877) -- valid -- Sulphur-billed Nuthatch
  Sitta pusilla Latham, 1790 -- valid -- Brown-headed Nuthatch
  Sitta pygmaea Vigors, 1839 -- valid -- Sita enana, Pygmy Nuthatch
  Sitta solangiae (Delacour & Jabouille, 1930) -- valid -- Yellow-billed Nuthatch
  Sitta tephronota Sharpe, 1872 -- valid -- Eastern Rock Nuthatch
  Sitta victoriae Rippon, 1904 -- valid -- White-browed Nuthatch
  Sitta villosa J. Verreaux, 1865 -- valid -- Chinese Nuthatch
  Sitta whiteheadi Sharpe, 1884 -- valid -- Corsican Nuthatch
  Sitta yunnanensis Ogilvie-Grant, 1900 -- valid -- Yunnan Nuthatch
  Sittasomus Swainson, 1827 -- valid
  Sittasomus griseicapillus (Vieillot, 1818) -- valid -- Olivaceous Woodcreeper, Trepatroncos oliváceo
  Sittidae Lesson, 1828 -- valid -- Nuthatches
  Skutchia Willis, 1968 -- invalid
  Skutchia borbae (Hellmayr, 1907) -- invalid -- Pale-faced Antbird
  Smicrornis Gould, 1843 -- valid
  Smicrornis brevirostris (Gould, 1838) -- valid -- Weebill
  Smithornis Bonaparte, 1850 -- valid
  Smithornis capensis (A. Smith, 1839) -- valid -- African Broadbill
  Smithornis rufolateralis G. R. Gray, 1864 -- valid -- Rufous-sided Broadbill
  Smithornis sharpei Alexander, 1903 -- valid -- Grey-headed Broadbill
  Somateria Leach, 1819 -- valid -- Greater Eiders, Typical Eiders
  Somateria fischeri (J. F. Brandt, 1847) -- valid -- Spectacled Eider, Eider à lunettes, Éider de anteojos, êider-de-lunetas
  Somateria mollissima (Linnaeus, 1758) -- valid -- Common Eider, Eider à duvet, Éider común, êider
  Somateria spectabilis (Linnaeus, 1758) -- valid -- King Eider, Eider à tête grise, Éider real, êider-real
  Spartonoica J. L. Peters, 1950 -- valid
  Spartonoica maluroides (Orbigny & Lafresnaye, 1837) -- valid -- Bay-capped Wren-Spinetail
  Speculipastor Reichenow, 1879 -- valid
  Speculipastor bicolor Reichenow, 1879 -- valid -- Magpie Starling
  Speirops Reichenbach, 1852 -- invalid
  Speirops brunneus Salvadori, 1903 -- invalid -- Fernando Po Speirops
  Speirops leucophoeus Hartlaub, 1857 -- invalid -- Principe Speirops
  Speirops lugubris (Hartlaub, 1848) -- invalid -- Black-capped Speirops
  Speirops melanocephalus (G. R. Gray, 1862) -- invalid -- Mount Cameroon Speirops
  Spelaeornis David & Oustalet, 1877 -- valid
  Spelaeornis badeigularis Ripley, 1948 -- valid -- Rusty-throated Wren-Babbler
  Spelaeornis caudatus (Blyth, 1845) -- valid -- Rufous-throated Wren-Babbler
  Spelaeornis chocolatinus (Godwin-Austen & Walden, 1875) -- valid -- Long-tailed Wren-Babbler
  Spelaeornis formosus (Walden, 1874) -- valid -- Spotted Wren-Babbler
  Spelaeornis longicaudatus (Moore, 1854) -- valid -- Tawny-breasted Wren-Babbler
  Spelaeornis troglodytoides (J. Verreaux, 1870) -- valid -- Bar-winged Wren-Babbler
  Speotyto Gloger, 1841 -- invalid
  Spermophaga Swainson, 1837 -- valid
  Spermophaga haematina (Vieillot, 1807) -- valid -- Western Bluebill
  Spermophaga poliogenys (Ogilvie-Grant, 1906) -- valid -- Grant's Bluebill
  Spermophaga ruficapilla (Shelley, 1888) -- valid -- Red-headed Bluebill
  Sphecotheres Vieillot, 1816 -- valid
  Sphecotheres hypoleucus Finsch, 1898 -- valid -- Wetar Figbird
  Sphecotheres viridis Vieillot, 1816 -- valid -- Green Figbird
  Spheniscidae Bonaparte, 1831 -- valid -- Penguins
  Spheniscus Brisson, 1760 -- valid
  Spheniscus demersus (Linnaeus, 1758) -- valid -- Jackass Penguin, African Penguin
  Spheniscus humboldti Meyen, 1834 -- valid -- Humboldt Penguin
  Spheniscus magellanicus (J. R. Forster, 1781) -- valid -- Magellanic Penguin
  Spheniscus mendiculus Sundevall, 1871 -- valid -- Galapagos Penguin
  Sphenocichla Godwin-Austen & Walden, 1875 -- valid
  Sphenocichla humei (Mandelli, 1873) -- valid -- Wedge-billed Wren-Babbler
  Sphenoeacus Strickland, 1841 -- valid
  Sphenoeacus afer (Gmelin, 1789) -- valid -- Cape Grassbird
  Sphyrapicus S. F. Baird, 1858 -- valid -- Sapsuckers
  Sphyrapicus nuchalis S. F. Baird, 1858 -- valid -- Red-naped Sapsucker, Chupasavia nuca roja
  Sphyrapicus ruber (J. F. Gmelin, 1788) -- valid -- Red-breasted Sapsucker, Chupasavia cabeza roja
  Sphyrapicus thyroideus (Cassin, 1852) -- valid -- Williamson's Sapsucker, Chupasavia oscuro
  Sphyrapicus varius (Linnaeus, 1766) -- valid -- Chupasavia maculado, Yellow-bellied Sapsucker, pic maculé
  Spiloptila Sundevall, 1872 -- valid
  Spiloptila clamans (Temminck, 1828) -- invalid -- Cricket Longtail
  Spilornis G. R. Gray, 1840 -- valid
  Spilornis cheela (Latham, 1790) -- valid -- Crested Serpent Eagle
  Spilornis elgini (Blyth, 1863) -- valid -- Andaman Serpent Eagle
  Spilornis holospilus (Vigors, 1831) -- valid -- Philippine Serpent Eagle
  Spilornis kinabaluensis W. L. Sclater, 1919 -- valid -- Mountain Serpent Eagle
  Spilornis minimus Hume, 1873 -- valid -- Nicobar Serpent Eagle, Central Nicobar Serpent Eagle
  Spilornis rufipectus Gould, 1858 -- valid -- Sulawesi Serpent Eagle
  Spindalis Jardine & Selby, 1837 -- valid -- Stripe-headed Tanagers
  Spindalis zena (Linnaeus, 1758) -- valid -- Zéna à tête rayée, Cigua cubana, Stripe-headed Tanager, Tángara cabeza rayada, Western Spindalis
  Spiza Bonaparte, 1824 -- valid -- Dickcissels
  Spiza americana (J. F. Gmelin, 1789) -- valid -- Arrocero americano, Dickcissel, dickcissel d'Amérique
  Spizaetus Vieillot, 1816 -- valid
  Spizaetus africanus (Cassin, 1865) -- invalid -- Cassin's Hawk-Eagle
  Spizaetus alboniger (Blyth, 1845) -- invalid -- Blyth's Hawk-Eagle
  Spizaetus bartelsi Stresemann, 1924 -- invalid -- Javan Hawk-Eagle
  Spizaetus cirrhatus (Gmelin, 1788) -- invalid -- Crested Hawk-Eagle
  Spizaetus lanceolatus Temminck & Schlegel, 1844 -- invalid -- Sulawesi Hawk-Eagle
  Spizaetus nanus Wallace, 1868 -- invalid -- Wallace's Hawk-Eagle
  Spizaetus nipalensis (Hodgson, 1836) -- invalid -- Mountain Hawk-Eagle
  Spizaetus ornatus (Daudin, 1800) -- valid -- Águila elegante, Ornate Hawk-Eagle, Aigle orné
  Spizaetus philippensis Gould, 1863 -- invalid -- Philippine Hawk-Eagle
  Spizaetus tyrannus (Wied-Neuwied, 1820) -- valid -- Águila tirana, Black Hawk-Eagle, Aigle tyran
  Spizastur Gray, 1841 -- invalid
  Spizastur melanoleucus (Vieillot, 1816) -- invalid -- Águila blanquinegra, Black-and-white Hawk-Eagle
  Spizella Bonaparte, 1832 -- valid -- Chipping Sparrows
  Spizella arborea (A. Wilson, 1810) -- invalid -- American Tree Sparrow, bruant hudsonien
  Spizella atrogularis (Cabanis, 1851) -- valid -- Bruant à menton noir, Chingolo barbinegro, Black-chinned Sparrow, Gorrión barba negra
  Spizella breweri Cassin, 1856 -- valid -- Bruant de Brewer, Chingolo de Brewer, Brewer's Sparrow, Gorrión de Brewer
  Spizella pallida (Swainson, 1832) -- valid -- Chingolo pálido, Gorrión pálido, Clay-colored Sparrow, bruant des plaines
  Spizella passerina (Bechstein, 1798) -- valid -- Chingolo cejiblanco, Chipping Sparrow, bruant familier, Gorrión ceja blanca
  Spizella pusilla (A. Wilson, 1810) -- valid -- Chingolo campestre, tico-tico-pequeno, Gorrión pusila, Field Sparrow, bruant des champs
  Spizella taverneri Swarth & A. C. Brooks, 1925 -- invalid -- Timberline Sparrow
  Spizella wortheni Ridgway, 1884 -- valid -- Bruant de Worthen, Chingolo de Worthen, Worthen's Sparrow, Gorrión de Worthen
  Spiziapteryx Kaup, 1852 -- valid
  Spiziapteryx circumcinctus (Kaup, 1852) -- invalid
  Spizixos Blyth, 1845 -- valid
  Spizixos canifrons Blyth, 1845 -- valid -- Crested Finchbill
  Spizixos semitorques Swinhoe, 1861 -- valid -- Collared Finchbill
  Spizocorys Sundevall, 1872 -- valid
  Spizocorys conirostris (Sundevall, 1850) -- valid -- Pink-billed Lark
  Spizocorys fringillaris (Sundevall, 1850) -- valid -- Botha's Lark
  Spizocorys obbiensis Witherby, 1905 -- valid -- Obbia Lark
  Spizocorys personata Sharpe, 1895 -- valid -- Masked Lark
  Spizocorys sclateri (Shelley, 1902) -- valid -- Sclater's Lark
  Sporophila Cabanis, 1844 -- valid -- Seedeaters
  Sporophila albogularis (Spix, 1825) -- valid -- White-throated Seedeater, Sporophile à gorge blanche, Semillero gorjiblanco, golinho
  Sporophila americana (J. F. Gmelin, 1789) -- valid -- Variable Seedeater, Wing-barred Seedeater, Sporophile à ailes blanches, Semillero aliblanco, coleiro-do-norte
  Sporophila ardesiaca (A. J. C. Dubois, 1894) -- valid -- Dubois's Seedeater, Sporophile de Dubois, Semillero de Dubois, papa-capim-de-costas-cinzas
  Sporophila bouvreuil (P. L. S. Müller, 1776) -- valid -- Capped Seedeater, Copper Seedeater, Sporophile bouvreuil, Semillero camachuelo, caboclinho
  Sporophila bouvronides (R. Lesson, 1831) -- valid -- Lesson's Seedeater, Sporophile faux-bouvron, Semillero de Lesson, estrela-do-norte
  Sporophila caerulescens (Vieillot, 1823) -- valid -- Double-collared Seedeater, Sporophile à col double, Semillero corbatita, coleirinho
  Sporophila castaneiventris Cabanis, 1849 -- valid -- Chestnut-bellied Seedeater, Sporophile à ventre châtain, Semillero ventricastaño, caboclinho-de-peito-castanho
  Sporophila cinnamomea (Lafresnaye, 1839) -- valid -- Chestnut Seedeater, Sporophile cannelle, Semillero castaño, caboclinho-de-chapéu-cinzento
  Sporophila collaris (Boddaert, 1783) -- valid -- Rusty-collared Seedeater, Sporophile à col fauve, Semillero acollarado, coleiro-do-brejo
  Sporophila falcirostris (Temminck, 1820) -- valid -- Temminck's Seedeater, Sporophile de Temminck, Semillero picudo, cigarra
  Sporophila frontalis (J. Verreaux, 1869) -- valid -- Buffy-fronted Seedeater, Sporophile à front blanc, Semillero frentiblanco, pixoxó
  Sporophila hypochroma Todd, 1915 -- valid -- Rufous-rumped Seedeater, Sporophile à croupion roux, Semillero culirrufo, caboclinho-de-sobre-ferrugem
  Sporophila hypoxantha Cabanis, 1851 -- valid -- Tawny-bellied Seedeater, Sporophile à ventre fauve, Semillero ventricanela, caboclinho-de-barriga-vermelha
  Sporophila insulata Chapman, 1921 -- invalid
  Sporophila intermedia Cabanis, 1851 -- valid -- Grey Seedeater, Sporophile intermédiaire, Semillero intermedio, papa-capim-cinza, Gray Seedeater
  Sporophila leucoptera (Vieillot, 1817) -- valid -- White-bellied Seedeater, Sporophile à ventre blanc, Semillero ventriblanco, chorão
  Sporophila lineola (Linnaeus, 1758) -- valid -- Lined Seedeater, Sporophile bouveron, Semillero overo, bigodinho
  Sporophila luctuosa (Lafresnaye, 1843) -- valid -- Black-and-white Seedeater, Sporophile noir et blanc, Semillero negriblanco, papa-capim-preto-e-branco
  Sporophila melanogaster (Pelzeln, 1870) -- valid -- Black-bellied Seedeater, Sporophile à ventre noir, Semillero ventrinegro, caboclinho-de-barriga-preta
  Sporophila melanops (Pelzeln, 1870) -- invalid
  Sporophila minuta (Linnaeus, 1758) -- valid -- Semillero pecho canela, Ruddy-breasted Seedeater, Sporophile petit-louis, Semillero pechirrufo, caboclinho-lindo
  Sporophila nigricollis (Vieillot, 1823) -- valid -- Yellow-bellied Seedeater, Sporophile à ventre jaune, Semillero ventriamarillo, baiano
  Sporophila nigrorufa (d'Orbigny & Lafresnaye, 1837) -- valid -- Black-and-tawny Seedeater, Sporophile noir et roux, Semillero rojinegro, caboclinho-do-sertão
  Sporophila palustris (Barrows, 1883) -- valid -- Marsh Seedeater, Sporophile des marais, Semillero palustre, caboclinho-de-papo-branco
  Sporophila peruviana (P. A. Lesson, 1842) -- valid -- Parrot-billed Seedeater, Sporophile perroquet, Semillero peruano
  Sporophila plumbea (Wied-Neuwied, 1830) -- valid -- Plumbeous Seedeater, Sporophile gris-de-plomb, Semillero plomizo, patativa
  Sporophila ruficollis Cabanis, 1851 -- valid -- Dark-throated Seedeater, Sporophile à gorge sombre, Semillero gorjioscuro, caboclinho-de-papo-escuro
  Sporophila schistacea (Lawrence, 1862) -- valid -- Semillero apizarrado, Slate-colored Seedeater, Sporophile ardoisé, Semillero pizarroso, cigarrinha-do-norte
  Sporophila simplex (Taczanowski, 1874) -- valid -- Drab Seedeater, Sporophile simple, Semillero simple
  Sporophila telasco (R. Lesson, 1828) -- valid -- Chestnut-throated Seedeater, Sporophile télasco, Semillero gorjicastaño
  Sporophila torqueola (Bonaparte, 1850) -- valid -- Sporophile à col blanc, Semillero torcaz, White-collared Seedeater, Semillero de collar, Cinnamon-rumped Seedeater
  Sporophila zelichi Narosky, 1977 -- invalid -- Entre Rios Seedeater
  Sporopipes Cabanis, 1847 -- valid
  Sporopipes frontalis (Daudin, 1800) -- valid -- Speckle-fronted Weaver
  Sporopipes squamifrons (A. Smith, 1836) -- valid -- Scaly-feathered Weaver
  Spreo Lesson, 1831 -- invalid
  Spreo albicapillus Blyth, 1855 -- invalid -- White-crowned Starling
  Spreo bicolor (Gmelin, 1789) -- invalid -- Pied Starling
  Spreo fischeri (Reichenow, 1884) -- invalid -- Fischer's Starling
  Stachyris Hodgson, 1844 -- valid
  Stachyris ambigua (Harington, 1915) -- invalid -- Buff-chested Babbler
  Stachyris capitalis (Tweeddale, 1877) -- invalid -- Rusty-crowned Babbler
  Stachyris chrysaea Blyth, 1844 -- invalid -- Golden Babbler
  Stachyris dennistouni (Ogilvie-Grant, 1895) -- invalid -- Golden-crowned Babbler
  Stachyris erythroptera (Blyth, 1842) -- valid -- Chestnut-winged Babbler
  Stachyris grammiceps (Temminck, 1828) -- valid -- White-breasted Babbler
  Stachyris herberti (E. C. S. Baker, 1920) -- valid -- Sooty Babbler
  Stachyris hypogrammica Salomonsen, 1961 -- invalid -- Palawan Striped Babbler
  Stachyris latistriata Gonzales & Kennedy, 1990 -- invalid -- Panay Striped Babbler
  Stachyris leucotis (Strickland, 1848) -- valid -- White-necked Babbler
  Stachyris maculata (Temminck, 1836) -- valid -- Chestnut-rumped Babbler
  Stachyris melanothorax (Temminck, 1823) -- valid -- Crescent-chested Babbler
  Stachyris nigriceps Blyth, 1844 -- valid -- Grey-throated Babbler
  Stachyris nigricollis (Temminck, 1836) -- valid -- Black-throated Babbler
  Stachyris nigrocapitata (Steere, 1890) -- invalid -- Black-crowned Babbler
  Stachyris nigrorum Rand & Rabor, 1952 -- invalid -- Negros Striped Babbler
  Stachyris oglei (Godwin-Austen, 1877) -- valid -- Snowy-throated Babbler
  Stachyris plateni (W. Blasius, 1890) -- invalid -- Pygmy Babbler
  Stachyris poliocephala (Temminck, 1836) -- valid -- Grey-headed Babbler
  Stachyris pyrrhops Blyth, 1844 -- invalid -- Black-chinned Babbler
  Stachyris rodolphei Deignan, 1939 -- invalid -- Deignan's Babbler
  Stachyris ruficeps Blyth, 1847 -- invalid -- Rufous-capped Babbler
  Stachyris rufifrons Hume, 1873 -- invalid -- Rufous-fronted Babbler
  Stachyris speciosa (Tweeddale, 1878) -- invalid -- Flame-templed Babbler
  Stachyris striata (Ogilvie-Grant, 1894) -- invalid -- Luzon Striped Babbler
  Stachyris striolata (S. Muller, 1836) -- invalid -- Spot-necked Babbler
  Stachyris thoracica (Temminck, 1821) -- valid -- White-bibbed Babbler
  Stachyris whiteheadi (Ogilvie-Grant, 1894) -- invalid -- Chestnut-faced Babbler
  Stactolaema C. H. T. Marshall & G. F. L. Marshall, 1870 -- valid
  Stactolaema anchietae (Barboza du Bocage, 1869) -- valid -- Anchieta's Barbet
  Stactolaema leucotis (Sundevall, 1850) -- valid -- White-eared Barbet
  Stactolaema olivacea (Shelley, 1880) -- valid -- Green Barbet
  Stactolaema whytii (Shelley, 1893) -- valid -- Whyte's Barbet
  Stagonopleura Reichenbach, 1850 -- valid
  Stagonopleura bella (Latham, 1802) -- valid -- Beautiful Firetail
  Stagonopleura guttata (Shaw, 1796) -- valid -- Diamond Firetail
  Stagonopleura oculata (Quoy & Gaimard, 1830) -- valid -- Red-eared Firetail
  Starnoenas Bonaparte, 1838 -- valid
  Starnoenas cyanocephala (Linnaeus, 1758) -- valid -- Blue-headed Quail-Dove
  Steatornis von Humboldt, 1814 -- valid
  Steatornis caripensis von Humboldt, 1817 -- valid -- Oilbird
  Steatornithidae -- valid -- Oilbird
  Steganopus Vieillot, 1818 -- invalid
  Steganopus tricolor Vieillot, 1819 -- invalid -- Wilson's Phalarope
  Stelgidopteryx S. F. Baird, 1858 -- valid -- Rough-winged Swallows
  Stelgidopteryx fucata (Temminck, 1822) -- invalid
  Stelgidopteryx ruficollis (Vieillot, 1817) -- valid -- Southern Rough-winged Swallow
  Stelgidopteryx serripennis (Audubon, 1838) -- valid -- Golondrina ala aserrada, Northern Rough-winged Swallow, hirondelle à ailes hérissées
  Stellula Gould, 1861 -- invalid -- Calliope Hummingbirds
  Stellula calliope (Gould, 1847) -- invalid -- Calliope Hummingbird, Colibrí garganta rayada
  Stenostira Cabanis & Bonaparte, 1850 -- valid
  Stenostira scita (Vieillot, 1818) -- valid -- Fairy Flycatcher, Fairy Warbler
  Stephanoaetus W. L. Sclater, 1922 -- valid
  Stephanoaetus coronatus (Linnaeus, 1766) -- valid -- Crowned Eagle
  Stephanophorus Strickland, 1841 -- valid
  Stephanophorus diadematus (Temminck, 1823) -- valid -- Diademed Tanager, Tangara à diadème, Tangara diademada, sanhaço-frade
  Stephanoxis Simon, 1897 -- valid
  Stephanoxis lalandi (Vieillot, 1818) -- valid -- Black-breasted Plovercrest, Green-crowned Plovercrest
  Stercorarius Brisson, 1760 -- valid -- Jaegers
  Stercorarius longicaudus Vieillot, 1819 -- valid -- Salteador cola larga, Long-tailed Jaeger, Labbe à longue queue, Págalo rabero, mandrião-de-cauda-comprida, moleiro-rabilongo, Long-tailed Skua
  Stercorarius parasiticus (Linnaeus, 1758) -- valid -- Salteador parásito, Parasitic Jaeger, Labbe parasite, Págalo parásito, mandrião-parasítico, moleiro-pequeno, Arctic Skua
  Stercorarius pomarinus (Temminck, 1815) -- valid -- Salteador pomarino, Pomarine Jaeger, Pomarine Skua, Labbe pomarin, Págalo pomarino, mandrião-pomarino, moleiro-do-árctico
  Sterna Linnaeus, 1758 -- valid -- Typical Terns
  Sterna acuticauda J. E. Gray, 1831 -- valid -- Black-bellied Tern, Sterne à ventre noir, Charrán ventrinegro, trinta-réis-de-barriga-preta
  Sterna albifrons Pallas, 1764 -- invalid -- Little Tern
  Sterna aleutica S. F. Baird, 1869 -- invalid -- Aleutian Tern
  Sterna anaethetus Scopoli, 1786 -- invalid -- Bridled Tern, Charrán embridado
  Sterna antillarum (R. Lesson, 1847) -- invalid -- Charrán mínimo, Least Tern
  Sterna aurantia J. E. Gray, 1831 -- valid -- River Tern, Sterne de rivière, Charrán indio, trinta-réis-ribeirinho
  Sterna balaenarum (Strickland, 1853) -- invalid -- Damara Tern
  Sterna bengalensis R. Lesson, 1831 -- invalid -- Lesser Crested Tern
  Sterna bergii M. H. K. Lichtenstein, 1823 -- invalid -- Great Crested Tern, Swift Tern
  Sterna bernsteini Schlegel, 1863 -- invalid -- Chinese Crested Tern
  Sterna caspia Pallas, 1770 -- invalid -- Charrán caspia, Caspian Tern, sterne caspienne
  Sterna dougallii Montagu, 1813 -- valid -- Charrán rosado, Roseate Tern, Sterne de Dougall, trinta-réis-róseo, gaivina-rosada
  Sterna elegans Gambel, 1849 -- invalid -- Elegant Tern, Charrán elegante
  Sterna forsteri Nuttall, 1834 -- valid -- Charrán de Forster, Forster's Tern, Sterne de Forster, gaivina-de-forster
  Sterna fuscata Linnaeus, 1766 -- invalid -- Charrán sombrío, Sooty Tern
  Sterna hirundinacea R. Lesson, 1831 -- valid -- South American Tern, Sterne hirundinacée, Charrán suramericano, trinta-réis-de-bico-vermelho
  Sterna hirundo Linnaeus, 1758 -- valid -- Charrán común, Common Tern, Sterne pierregarin, trinta-réis-boreal, gaivina
  Sterna lorata Philippi & Landbeck, 1861 -- invalid -- Peruvian Tern
  Sterna lunata Peale, 1848 -- invalid -- Gray-backed Tern, Spectacled Tern
  Sterna maxima Boddaert, 1783 -- invalid -- Royal Tern, Charrán real
  Sterna nereis (Gould, 1843) -- invalid -- Fairy Tern
  Sterna nilotica J. F. Gmelin, 1789 -- invalid -- Gull-billed Tern, Charrán pico grueso
  Sterna paradisaea Pontoppidan, 1763 -- valid -- Charrán ártico, Arctic Tern, Sterne arctique, trinta-réis-ártico, gaivina-do-árctico
  Sterna repressa E. Hartert, 1916 -- valid -- White-cheeked Tern, Sterne à joues blanches, Charrán arábigo, gaivina-arábica
  Sterna sandvicensis Latham, 1787 -- invalid -- Charrán de Sandwich, Sandwich Tern
  Sterna saundersi Hume, 1877 -- invalid -- Saunders's Tern
  Sterna striata J. F. Gmelin, 1789 -- valid -- Black-naped Tern, White-fronted Tern, Sterne tara, Charrán maorí, trinta-réis-de-fronte-branca
  Sterna sumatrana Raffles, 1822 -- valid -- Black-naped Tern, Sterne diamant, Charrán de Sumatra, gaivina-de-nuca-preta
  Sterna superciliaris Vieillot, 1819 -- invalid -- Yellow-billed Tern
  Sterna trudeaui Audubon, 1838 -- valid -- Snowy-crowned Tern, Sterne de Trudeau, Charrán coroniblanco, trinta-réis-de-coroa-branca
  Sterna virgata Cabanis, 1875 -- valid -- Kerguelen Tern, Sterne des Kerguelen, Charrán de las Kerguelen, trinta-réis-das-kerguelen
  Sterna vittata J. F. Gmelin, 1789 -- valid -- Antarctic Tern, Sterne couronnée, Charrán antártico, trinta-réis-antártico
  Sternoclyta Gould, 1858 -- valid
  Sternoclyta cyanopectus (Gould, 1846) -- valid -- Violet-chested Hummingbird
  Stictonetta Reichenbach, 1853 -- valid
  Stictonetta naevosa (Gould, 1841) -- valid -- Freckled Duck, Stictonette tachetée, Pato pecoso, pato-sardento
  Stigmatura P. L. Sclater & Salvin, 1866 -- valid
  Stigmatura budytoides (Orbigny & Lafresnaye, 1837) -- valid -- Greater Wagtail-Tyrant
  Stigmatura napensis Chapman, 1926 -- valid -- Lesser Wagtail-Tyrant
  Stiltia G. R. Gray, 1855 -- valid
  Stiltia isabella (Vieillot, 1816) -- valid -- Australian Pratincole, Glaréole isabelle, Canastera patilarga, perdiz-do-mar-isabela
  Stiphrornis Hartlaub, 1855 -- valid
  Stiphrornis erythrothorax Hartlaub, 1855 -- valid -- Western Forest Robin
  Stipiturus Lesson, 1831 -- valid
  Stipiturus malachurus (Shaw, 1798) -- valid -- Southern Emu-wren
  Stipiturus mallee A. J. Campbell, 1908 -- valid -- Mallee Emu-wren
  Stipiturus ruficeps A. J. Campbell, 1899 -- valid -- Rufous-crowned Emu-wren
  Strepera Lesson, 1831 -- valid
  Strepera fuliginosa (Gould, 1837) -- valid -- Black Currawong
  Strepera graculina (Shaw, 1790) -- valid -- Pied Currawong
  Strepera versicolor (Latham, 1802) -- valid -- Grey Currawong
  Streptocitta Bonaparte, 1850 -- valid
  Streptocitta albertinae (Schlegel, 1865) -- valid -- Bare-eyed Myna
  Streptocitta albicollis (Vieillot, 1818) -- valid -- White-necked Myna
  Streptopelia Bonaparte, 1855 -- valid -- Turtle-Doves
  Streptopelia bitorquata (Temminck, 1809) -- valid -- Javanese Turtle-Dove, Island Collared Dove
  Streptopelia capicola (Sundevall, 1857) -- valid -- Ring-necked Dove
  Streptopelia chinensis (Scopoli, 1786) -- invalid -- Spotted Dove
  Streptopelia decaocto (Frivaldszky, 1838) -- valid -- Eurasian Collared Dove, Eurasian Collared-Dove
  Streptopelia decipiens (Hartlaub & Finsch, 1870) -- valid -- Mourning Collared Dove
  Streptopelia hypopyrrha (Reichenow, 1910) -- valid -- Adamawa Turtle Dove
  Streptopelia lugens (Rüppell, 1837) -- valid -- Dusky Turtle Dove
  Streptopelia orientalis (Latham, 1790) -- valid -- Oriental Turtle-Dove, Oriental Turtle Dove
  Streptopelia reichenowi (Erlanger, 1901) -- valid -- White-winged Collared Dove
  Streptopelia risoria (Linnaeus, 1758) -- invalid -- Ringed Turtle-Dove, Barbary Dove
  Streptopelia roseogrisea (Sundevall, 1857) -- valid -- African Collared Dove
  Streptopelia semitorquata (Rüppell, 1837) -- valid -- Red-eyed Dove
  Streptopelia senegalensis (Linnaeus, 1766) -- invalid -- Laughing Dove
  Streptopelia tranquebarica (Hermann, 1804) -- valid -- Red Turtle Dove
  Streptopelia turtur (Linnaeus, 1758) -- valid -- European Turtle Dove, European Turtle-Dove
  Streptopelia vinacea (J. F. Gmelin, 1789) -- valid -- Vinaceous Dove
  Streptoprocne Oberholser, 1906 -- valid -- White-collared Swifts
  Streptoprocne biscutata (P. L. Sclater, 1866) -- valid -- Biscutate Swift
  Streptoprocne semicollaris (DeSaussure, 1859) -- valid -- White-naped Swift, Vencejo nuca blanca
  Streptoprocne zonaris (Shaw, 1796) -- valid -- White-collared Swift, Vencejo cuello blanco
  Stresemannia Meise, 1950 -- valid
  Stresemannia bougainvillei (Mayr, 1932) -- valid -- Bougainville Honeyeater, Méliphage de Bougainville, Mielero de Bougainville
  Strigidae -- valid -- Typical Owls, strigidés, Owls
  Strigiformes -- valid -- Owls, chouettes, engoulevents, hiboux, Goatsuckers
  Strigops G. R. Gray, 1845 -- valid
  Strigops habroptilus G. R. Gray, 1845 -- invalid
  Strix Linnaeus, 1758 -- valid -- Earless Owls
  Strix aluco Linnaeus, 1758 -- valid -- Tawny Owl
  Strix butleri (Hume, 1878) -- valid -- Hume's Owl, Omani Owl
  Strix davidi (Sharpe, 1875) -- valid -- Pere David's Owl
  Strix fulvescens (P. L. Sclater & Salvin, 1868) -- valid -- Búho leonado, Fulvous Owl
  Strix hylophila Temminck, 1825 -- valid -- Rusty-barred Owl
  Strix leptogrammica Temminck, 1832 -- valid -- Brown Wood Owl
  Strix nebulosa J. R. Forster, 1772 -- valid -- Great Gray Owl, chouette lapone, Great Grey Owl
  Strix occidentalis (Xántus de Vésey, 1860) -- valid -- Búho manchado, Spotted Owl
  Strix ocellata (R. Lesson, 1839) -- valid -- Mottled Wood Owl
  Strix rufipes P. P. King, 1827 -- valid -- Rufous-legged Owl
  Strix seloputo Horsfield, 1821 -- valid -- Spotted Wood Owl
  Strix uralensis Pallas, 1771 -- valid -- Ural Owl
  Strix varia Barton, 1799 -- valid -- Búho listado, Barred Owl, chouette rayée
  Struthidea Gould, 1837 -- valid
  Struthidea cinerea Gould, 1837 -- valid -- Apostlebird
  Struthio Linnaeus, 1758 -- valid
  Struthio camelus Linnaeus, 1758 -- valid -- Ostrich, Common Ostrich
  Struthionidae -- valid -- Ostriches
  Struthioniformes -- valid -- Ostriches
  Sturnella Vieillot, 1816 -- valid -- Meadowlarks
  Sturnella bellicosa Filippi, 1847 -- valid -- Peruvian Meadowlark
  Sturnella defilippii (Bonaparte, 1850) -- valid -- Pampas Meadowlark
  Sturnella loyca (Molina, 1782) -- valid -- Long-tailed Meadowlark
  Sturnella magna (Linnaeus, 1758) -- valid -- Pradero tortilla-con-chile, Eastern Meadowlark, sturnelle des prés
  Sturnella militaris (Linnaeus, 1758) -- valid -- Red-breasted Blackbird
  Sturnella neglecta Audubon, 1844 -- valid -- Western Meadowlark, sturnelle de l'ouest, Pradero occidental
  Sturnella superciliaris (Bonaparte, 1850) -- valid -- White-browed Blackbird
  Sturnidae Rafinesque, 1815 -- valid -- étourneaux, Starlings
  Sturnus Linnaeus, 1758 -- valid -- Starlings
  Sturnus burmannicus (Jerdon, 1862) -- invalid -- Vinous-breasted Starling
  Sturnus cineraceus Temminck, 1835 -- invalid -- White-cheeked Starling
  Sturnus contra Linnaeus, 1758 -- invalid -- Pied Myna
  Sturnus erythropygius (Blyth, 1846) -- invalid -- White-headed Starling
  Sturnus malabaricus (Gmelin, 1789) -- invalid -- Chestnut-tailed Starling
  Sturnus melanopterus (Daudin, 1800) -- invalid
  Sturnus nigricollis (Paykull, 1807) -- invalid -- Black-collared Starling
  Sturnus pagodarum (Gmelin, 1789) -- invalid -- Brahminy Starling
  Sturnus philippensis (J. R. Forster, 1781) -- invalid -- Chestnut-cheeked Starling
  Sturnus roseus (Linnaeus, 1758) -- invalid -- Rosy Starling
  Sturnus senex (Bonaparte, 1850) -- invalid
  Sturnus sericeus Gmelin, 1789 -- invalid -- Red-billed Starling
  Sturnus sinensis (Gmelin, 1788) -- invalid -- White-shouldered Starling
  Sturnus sturninus (Pallas, 1776) -- invalid -- Daurian Starling
  Sturnus unicolor Temminck, 1820 -- valid -- Spotless Starling
  Sturnus vulgaris Linnaeus, 1758 -- valid -- Estornino pinto, European Starling, étourneau sansonnet, Common Starling
  Sublegatus P. L. Sclater & Salvin, 1868 -- valid
  Sublegatus arenarum (Salvin, 1863) -- valid -- Northern Scrub-Flycatcher, Northern Scrub Flycatcher
  Sublegatus modestus (Wied-Neuwied, 1831) -- valid -- Southern Scrub Flycatcher
  Sublegatus obscurior Todd, 1920 -- valid -- Amazonian Scrub Flycatcher
  Suiriri Orbigny, 1840 -- valid
  Suiriri affinis (Burmeister, 1856) -- invalid
  Suiriri suiriri (Vieillot, 1818) -- valid -- Chaco Suiriri
  Sula Brisson, 1760 -- valid -- Boobies, Gannets
  Sula dactylatra Lesson, 1831 -- valid -- Masked Booby, Bobo enmascarado, Fou masqué
  Sula leucogaster (Boddaert, 1783) -- valid -- Brown Booby, Bobo café, Fou brun
  Sula nebouxii Milne-Edwards, 1882 -- valid -- Blue-footed Booby, Bobo pata azul, Fou à pieds bleus
  Sula sula (Linnaeus, 1766) -- valid -- Red-footed Booby, Bobo pata roja, Fou à pieds rouges
  Sula variegata (Tschudi, 1843) -- valid -- Peruvian Booby, Fou varié
  Sulidae Reichenbach, 1849 -- valid -- Boobies, Gannets
  Surnia Duméril, 1805 -- valid -- Hawk-Owls
  Surnia ulula (Linnaeus, 1758) -- valid -- Northern Hawk-Owl, Northern Hawk Owl, chouette épervière
  Surniculus Lesson, 1830 -- valid
  Surniculus lugubris (Horsfield, 1821) -- valid -- Asian Drongo-Cuckoo
  Swynnertonia Roberts, 1922 -- valid
  Swynnertonia swynnertoni (Shelley, 1906) -- valid -- Swynnerton's Robin
  Sylvia Scopoli, 1769 -- valid
  Sylvia althaea Hume, 1878 -- valid -- Hume's Whitethroat
  Sylvia atricapilla (Linnaeus, 1758) -- valid -- Eurasian Blackcap
  Sylvia boehmi (Reichenow, 1882) -- valid
  Sylvia borin (Boddaert, 1783) -- valid -- Garden Warbler
  Sylvia buryi (Ogilvie-Grant, 1913) -- valid
  Sylvia cantillans (Pallas, 1764) -- valid -- Subalpine Warbler
  Sylvia communis Latham, 1787 -- valid -- Common Whitethroat
  Sylvia conspicillata Temminck, 1820 -- valid -- Spectacled Warbler
  Sylvia curruca (Linnaeus, 1758) -- valid -- Lesser Whitethroat
  Sylvia deserticola Tristram, 1859 -- valid -- Tristram's Warbler
  Sylvia hortensis (Gmelin, 1789) -- valid -- Orphean Warbler
  Sylvia layardi (Hartlaub, 1862) -- valid
  Sylvia leucomelaena (Hemprich & Ehrenberg, 1833) -- valid -- Arabian Warbler
  Sylvia lugens Rüppell, 1840 -- valid
  Sylvia melanocephala (Gmelin, 1789) -- valid -- Sardinian Warbler
  Sylvia melanothorax Tristram, 1872 -- valid -- Cyprus Warbler
  Sylvia minula Hume, 1873 -- valid -- Desert Whitethroat
  Sylvia mystacea Ménétriés, 1832 -- valid -- Menetries's Warbler
  Sylvia nana (Hemprich & Ehrenberg, 1833) -- valid -- Asian Desert Warbler
  Sylvia nisoria (Bechstein, 1792) -- valid -- Barred Warbler
  Sylvia rueppelli Temminck, 1823 -- invalid
  Sylvia sarda Temminck, 1820 -- valid -- Marmora's Warbler
  Sylvia subcaeruleum Vieillot, 1817 -- invalid
  Sylvia undata (Boddaert, 1783) -- valid -- Dartford Warbler
  Sylvietta Lafresnaye, 1839 -- valid
  Sylvietta brachyura Lafresnaye, 1839 -- valid -- Northern Crombec
  Sylvietta chapini Schouteden, 1947 -- invalid
  Sylvietta denti Ogilvie-Grant, 1906 -- valid -- Lemon-bellied Crombec
  Sylvietta isabellina Elliot, 1897 -- valid -- Somali Crombec
  Sylvietta leucophrys Sharpe, 1891 -- valid -- White-browed Crombec
  Sylvietta philippae J. G. Williams, 1955 -- valid -- Philippa's Crombec
  Sylvietta rufescens (Vieillot, 1817) -- valid -- Long-billed Crombec
  Sylvietta ruficapilla Bocage, 1877 -- valid -- Red-capped Crombec
  Sylvietta virens Cassin, 1859 -- valid -- Green Crombec
  Sylvietta whytii Shelley, 1894 -- valid -- Red-faced Crombec
  Sylviidae Leach, 1820 -- valid -- fauvettes, gobe-mouches, Sylviid Babblers
  Sylviorthorhynchus Des Murs, 1847 -- valid
  Sylviorthorhynchus desmursii Des Murs, 1847 -- valid -- Des Murs's Wiretail
  Sylviparus Burton, 1836 -- valid
  Sylviparus modestus Burton, 1836 -- valid -- Yellow-browed Tit
  Syma R. Lesson, 1827 -- valid
  Syma megarhyncha Salvadori, 1896 -- valid -- Mountain Kingfisher, Alción montano, Martin-chasseur montagnard
  Syma torotoro R. Lesson, 1827 -- valid -- Yellow-billed Kingfisher, Alción torotoro, Martin-chasseur torotoro
  Synallaxis Vieillot, 1818 -- valid
  Synallaxis albescens Temminck, 1823 -- valid -- Pale-breasted Spinetail
  Synallaxis albigularis P. L. Sclater, 1858 -- valid -- Dark-breasted Spinetail
  Synallaxis albilora Pelzeln, 1856 -- valid -- White-lored Spinetail
  Synallaxis azarae Orbigny, 1835 -- valid -- Azara's Spinetail
  Synallaxis brachyura Lafresnaye, 1843 -- valid -- Slaty Spinetail
  Synallaxis cabanisi Berlepsch & Leverkuhn, 1890 -- valid -- Cabanis's Spinetail
  Synallaxis candei Orbigny & Lafresnaye, 1838 -- valid -- White-whiskered Spinetail
  Synallaxis castanea P. L. Sclater, 1856 -- valid -- Black-throated Spinetail
  Synallaxis cherriei Gyldenstolpe, 1930 -- valid -- Chestnut-throated Spinetail
  Synallaxis cinerascens Temminck, 1823 -- valid -- Grey-bellied Spinetail
  Synallaxis cinnamomea Lafresnaye, 1843 -- valid -- Stripe-breasted Spinetail
  Synallaxis courseni Blake, 1971 -- valid -- Apurimac Spinetail
  Synallaxis erythrothorax P. L. Sclater, 1855 -- valid -- Rufous-breasted Spinetail, Güitío pecho rufo
  Synallaxis frontalis Pelzeln, 1859 -- valid -- Sooty-fronted Spinetail
  Synallaxis fuscorufa P. L. Sclater, 1882 -- valid -- Rusty-headed Spinetail
  Synallaxis gujanensis (Gmelin, 1789) -- valid -- Plain-crowned Spinetail
  Synallaxis hellmayri Reiser, 1905 -- invalid
  Synallaxis hypospodia P. L. Sclater, 1874 -- valid -- Cinereous-breasted Spinetail
  Synallaxis infuscata Pinto, 1950 -- valid -- Pinto's Spinetail
  Synallaxis kollari Pelzeln, 1856 -- valid -- Hoary-throated Spinetail
  Synallaxis macconnelli Chubb, 1919 -- valid -- McConnell's Spinetail
  Synallaxis maranonica Taczanowski, 1879 -- valid -- Maranon Spinetail
  Synallaxis moesta P. L. Sclater, 1856 -- valid -- Dusky Spinetail
  Synallaxis propinqua Pelzeln, 1859 -- valid -- White-bellied Spinetail
  Synallaxis ruficapilla Vieillot, 1819 -- valid -- Rufous-capped Spinetail
  Synallaxis rutilans Temminck, 1823 -- valid -- Ruddy Spinetail
  Synallaxis scutata P. L. Sclater, 1859 -- valid -- Ochre-cheeked Spinetail
  Synallaxis spixi P. L. Sclater, 1856 -- valid -- Spix's Spinetail
  Synallaxis stictothorax P. L. Sclater, 1859 -- valid -- Necklaced Spinetail
  Synallaxis subpudica P. L. Sclater, 1874 -- valid -- Silvery-throated Spinetail
  Synallaxis tithys Taczanowski, 1877 -- valid -- Blackish-headed Spinetail
  Synallaxis unirufa Lafresnaye, 1843 -- valid -- Rufous Spinetail
  Synallaxis whitneyi Pacheco & Gonzaga, 1995 -- invalid
  Synallaxis zimmeri Koepcke, 1957 -- valid -- Russet-bellied Spinetail
  Syndactyla Reichenbach, 1853 -- valid
  Syndactyla guttulata (P. L. Sclater, 1858) -- valid -- Guttulated Foliage-gleaner
  Syndactyla ruficollis (Taczanowski, 1884) -- valid -- Rufous-necked Foliage-gleaner
  Syndactyla rufosuperciliata (Lafresnaye, 1832) -- valid -- Buff-browed Foliage-gleaner
  Syndactyla subalaris (P. L. Sclater, 1859) -- valid -- Lineated Foliage-gleaner
  Synthliboramphus J. F. Brandt, 1837 -- valid -- Ancient Murrelets
  Synthliboramphus antiquus (J. F. Gmelin, 1789) -- valid -- Mérgulo antiguo, Ancient Murrelet, Guillemot à cou blanc, torda-miúda-do-pacífico
  Synthliboramphus craveri (Salvadori, 1866) -- valid -- Craveri's Murrelet, Mérgulo de Craveri, Guillemot de Craveri, Mérgulo californiano alioscuro, mérgulo-de-asas-escuras
  Synthliboramphus hypoleucus (Xantus de Vesey, 1860) -- valid -- Xantus' Murrelet, Xantus' Murrelet, Xantus's Murrelet, Guillemot de Xantus, Guadalupe Murrelet, Mérgulo de la Guadalupe, mérgulo-de-asas-claras
  Synthliboramphus wumizusume (Temminck, 1836) -- valid -- Japanese Murrelet, Guillemot du Japon, Mérgulo japonés, mérgulo-japonês
  Syrigma Ridgway, 1878 -- valid
  Syrigma sibilatrix (Temminck, 1824) -- valid -- Whistling Heron
  Syrmaticus Wagler, 1832 -- valid
  Syrmaticus ellioti (Swinhoe, 1872) -- valid -- Faisan d'Elliot, Faisán de Elliot, faisão-de-capuz-cinzento, Elliot's Pheasant
  Syrmaticus humiae (Hume, 1881) -- valid -- Faisan de Hume, Faisán de Hume, faisão-de-pescoço-cinzento, Hume's Pheasant, Bar-tailed Pheasant, Mrs. Hume's Pheasant
  Syrmaticus mikado (Ogilvie-Grant, 1906) -- valid -- Faisan mikado, Faisán mikado, faisão-mikado, Mikado Pheasant
  Syrmaticus reevesii (J. E. Gray, 1829) -- valid -- Faisan vénéré, Faisán venerado, faisão-venerado, Reeves's Pheasant
  Syrmaticus soemmerringii (Temminck, 1830) -- valid -- Faisan scintillant, Faisán cobrizo, faisão-cuprino, Copper Pheasant
  Syrrhaptes Illiger, 1811 -- valid
  Syrrhaptes paradoxus (Pallas, 1773) -- valid -- Pallas's Sandgrouse
  Syrrhaptes tibetanus Gould, 1850 -- valid -- Tibetan Sandgrouse
  Tachornis Gosse, 1847 -- valid -- Palm Swifts
  Tachornis furcata (Sutton, 1928) -- valid -- Pygmy Palm Swift
  Tachornis phoenicobia Gosse, 1847 -- valid -- Antillean Palm Swift, Antillean Palm-Swift
  Tachornis squamata (Cassin, 1853) -- valid -- Neotropical Palm Swift
  Tachuris Lafresnaye, 1836 -- valid
  Tachuris rubrigastra (Vieillot, 1817) -- valid -- Many-colored Rush Tyrant
  Tachybaptus Reichenbach, 1853 -- valid -- Least Grebes
  Tachybaptus dominicus (Linnaeus, 1766) -- valid -- Zambullidor menor, Grèbe minime, Least Grebe
  Tachybaptus novaehollandiae (Stephens, 1826) -- valid -- Australasian Grebe
  Tachybaptus pelzelnii (Hartlaub, 1861) -- valid -- Madagascar Grebe, Madagascan Grebe
  Tachybaptus ruficollis (Pallas, 1764) -- valid -- Little Grebe
  Tachybaptus rufolavatus (Delacour, 1932) -- valid -- Alaotra Grebe
  Tachycineta Cabanis, 1850 -- valid -- Tree Swallows
  Tachycineta albilinea (Lawrence, 1863) -- valid -- Golondrina manglera, Mangrove Swallow
  Tachycineta albiventer (Boddaert, 1783) -- valid -- White-winged Swallow
  Tachycineta bicolor (Vieillot, 1808) -- valid -- Golondrina bicolor, Tree Swallow, hirondelle bicolore
  Tachycineta cyaneoviridis (H. Bryant, 1859) -- valid -- Bahaman Swallow, Bahama Swallow
  Tachycineta euchrysea (Gosse, 1847) -- valid -- Golden Swallow
  Tachycineta leucorrhoa (Vieillot, 1817) -- valid -- White-rumped Swallow
  Tachycineta meyeni (Cabanis, 1850) -- invalid -- Chilean Swallow
  Tachycineta stolzmanni (Philippi, 1902) -- valid -- Tumbes Swallow
  Tachycineta thalassina (Swainson, 1827) -- valid -- Violet-green Swallow, Golondrina verdemar
  Tachyeres Owen, 1875 -- valid
  Tachyeres brachypterus (Latham, 1790) -- valid -- Falkland Steamer Duck, Brassemer des Malouines, Pato vapor malvinero, pato-vapor-das-malvinas, Falkland Steamer-Duck
  Tachyeres leucocephalus Humphrey & Thompson, 1981 -- valid -- Chubut Steamer Duck, Brassemer à tête blanche, Pato vapor cabeciblanco, pato-vapor-de-cabeça-branca, White-headed Steamer Duck, White-headed Steamer-Duck
  Tachyeres patachonicus (P. P. King, 1831) -- valid -- Flying Steamer Duck, Brassemer de Patagonie, Pato vapor volador, pato-vapor-voador, Flying Steamer-Duck
  Tachyeres pteneres (J. R. Forster, 1844) -- valid -- Fuegian Steamer Duck, Brassemer cendré, Pato vapor del Magallanes, pato-vapor-cinzento, Magellanic Steamer Duck, Flightless Steamer-Duck
  Tachymarptis melba (Linnaeus, 1758) -- valid -- Alpine Swift
  Tachymarptis melba africanus (Temminck, 1815) -- valid
  Tachymarptis melba archeri (Hartert, 1928) -- valid
  Tachymarptis melba bakeri (Hartert, 1928) -- valid
  Tachymarptis melba marjoriae (Bradfield, 1935) -- valid
  Tachymarptis melba maximus (Ogilvie-Grant, 1907) -- valid
  Tachymarptis melba melba (Linnaeus, 1758) -- valid
  Tachymarptis melba nubifugus (Koelz, 1954) -- valid
  Tachymarptis melba tuneti (Tschudi, 1904) -- valid
  Tachymarptis melba willsi (Hartert, 1896) -- valid
  Tachyphonus Vieillot, 1816 -- valid
  Tachyphonus coronatus (Vieillot, 1822) -- valid -- Ruby-crowned Tanager, Tangara couronné, Tangara coronada, tiê-preto
  Tachyphonus cristatus (Linnaeus, 1766) -- invalid -- Flame-crested Tanager
  Tachyphonus delatrii Lafresnaye, 1847 -- valid -- Tawny-crested Tanager, Tangara de Delattre, Tangara de Delattre
  Tachyphonus luctuosus d'Orbigny & Lafresnaye, 1837 -- invalid -- White-shouldered Tanager
  Tachyphonus phoenicius Swainson, 1838 -- valid -- Red-shouldered Tanager, Tangara à galons rouges, Tangara de galones, tem-tem-de-dragona-vermelha
  Tachyphonus rufiventer (Spix, 1825) -- invalid -- Yellow-crested Tanager
  Tachyphonus rufus (Boddaert, 1783) -- valid -- White-lined Tanager, Tangara à galons blancs, Tangara negra, pipira-preta
  Tachyphonus surinamus (Linnaeus, 1766) -- valid -- Fulvous-crested Tanager, Tangara à crête fauve, Tangara crestifulva, tem-tem-de-topete-ferrugíneo
  Tadorna F. Boie, 1822 -- valid
  Tadorna cana (J. F. Gmelin, 1789) -- valid -- South African Shelduck, Tadorne à tête grise, Tarro sudafricano, pato-de-cabeça-cinzenta
  Tadorna cristata (Kuroda, 1917) -- valid -- Crested Shelduck, Tadorne de Corée, Tarro crestado, pato-de-crista-da-coréia
  Tadorna ferruginea (Pallas, 1764) -- valid -- Ruddy Shelduck, canard des Bahamas, Tadorne casarca, Tarro canelo, pato-casarca
  Tadorna radjah (Garnot & R. Lesson, 1828) -- invalid -- Raja Shelduck
  Tadorna tadorna (Linnaeus, 1758) -- valid -- Common Shelduck, Tadorne de Belon, Tarro blanco, tadorna
  Tadorna tadornoides (Jardine & Selby, 1828) -- valid -- Australian Shelduck, Tadorne d'Australie, Tarro australiano, pato-australiano
  Tadorna variegata (J. F. Gmelin, 1789) -- valid -- Paradise Shelduck, Tadorne de paradis, Tarro maorí, pato-do-paraíso
  Taeniopygia Reichenbach, 1862 -- valid
  Taeniopygia bichenovii (Vigors & Horsfield, 1827) -- valid -- Double-barred Finch
  Taeniopygia guttata (Vieillot, 1817) -- valid -- Zebra Finch
  Taeniotriccus Berlepsch & Hartert, 1902 -- valid
  Taeniotriccus andrei Berlepsch & Hartert, 1902 -- valid -- Black-chested Tyrant
  Talegalla R. Lesson, 1828 -- valid
  Talegalla cuvieri R. Lesson, 1828 -- valid -- Talégalle de Cuvier, Talégalo de Cuvier, peru-do-mato-de-barriga-vermelha, Red-billed Brush-turkey, Red-billed Brushturkey
  Talegalla fuscirostris Salvadori, 1877 -- valid -- Talégalle à bec foncé, Talégalo piquinegro, peru-do-mato-de-bico-preto, Yellow-legged Brushturkey, Black-billed Brush-turkey, Black-billed Brushturkey
  Talegalla jobiensis A. B. Meyer, 1874 -- valid -- Talégalle de Jobi, Talégalo patirrojo, peru-do-mato-de-colar-marrom, Red-legged Brushturkey, Collared Brush-turkey, Brown-collared Brush-turkey, Collared Brushturkey
  Tangara Brisson, 1760 -- valid
  Tangara argyrofenges (P. L. Sclater & Salvin, 1876) -- invalid -- Straw-backed Tanager, Green-throated Tanager
  Tangara arthus R. Lesson, 1832 -- valid -- Golden Tanager, Calliste à poitrine marron, Tangara pechicastaña, saíra-dourada, Chestnut-breasted Tanager
  Tangara cabanisi (P. L. Sclater, 1868) -- invalid -- Tángara chiapaneca, Cabanis's Tanager, Azure-rumped Tanager
  Tangara callophrys (Cabanis, 1849) -- valid -- Opal-crowned Tanager, Calliste à sourcils clairs, Tangara opalina, saíra-opala
  Tangara cayana (Linnaeus, 1766) -- invalid -- Burnished-buff Tanager
  Tangara chilensis (Vigors, 1832) -- valid -- Paradise Tanager, Calliste septicolore, Tangara del paraíso, sete-cores-da-amazônia
  Tangara chrysotis (Du Bus de Gisignies, 1846) -- valid -- Golden-eared Tanager, Calliste à oreilles d'or, Tangara orejidorada, saíra-de-orelha-dourada
  Tangara cucullata (Swainson, 1834) -- invalid -- Lesser Antillean Tanager, Grenada Tanager
  Tangara cyanicollis (d'Orbigny & Lafresnaye, 1837) -- invalid -- Blue-necked Tanager
  Tangara cyanocephala (P. L. S. Müller, 1776) -- valid -- Red-necked Tanager, Calliste à tête bleue, Tangara militar, saíra-militar
  Tangara cyanoptera (Swainson, 1834) -- invalid -- Black-headed Tanager
  Tangara cyanotis (P. L. Sclater, 1858) -- valid -- Blue-browed Tanager, Calliste à sourcils bleus, Tangara cejiazul
  Tangara cyanoventris (Vieillot, 1819) -- valid -- Gilt-edged Tanager, Calliste à ventre bleu, Tangara ventriazul, saíra-douradinha
  Tangara desmaresti (Vieillot, 1819) -- valid -- Brassy-breasted Tanager, Calliste de Desmarest, Tangara de Desmarest, saíra-lagarta
  Tangara dowii (Salvin, 1863) -- valid -- Spangle-cheeked Tanager, Calliste pailleté, Tangara caripinta
  Tangara fastuosa (R. Lesson, 1831) -- valid -- Seven-colored Tanager, Calliste superbe, Tangara sietecolores, pintor
  Tangara florida (P. L. Sclater & Salvin, 1869) -- valid -- Emerald Tanager, Calliste émeraude, Tangara florida, saíra-esmeralda
  Tangara fucosa Nelson, 1912 -- valid -- Green-naped Tanager, Calliste à nuque verte, Tangara nuquiverde, saíra-de-nuca-verde
  Tangara guttata (Cabanis, 1851) -- invalid -- Speckled Tanager
  Tangara gyrola (Linnaeus, 1758) -- valid -- Bay-headed Tanager, Calliste rouverdin, Tangara cabecibaya, saíra-de-cabeça-castanha
  Tangara heinei (Cabanis, 1851) -- invalid -- Black-capped Tanager
  Tangara icterocephala (Bonaparte, 1851) -- valid -- Silver-throated Tanager, Calliste safran, Tangara goliplateada, saíra-de-papo-prateado
  Tangara inornata (Gould, 1855) -- valid -- Plain-colored Tanager, Calliste gris, Tangara cenicienta
  Tangara johannae (Dalmas, 1900) -- valid -- Blue-whiskered Tanager, Calliste moustachu, Tangara bigotuda, saíra-de-bigode-azul
  Tangara labradorides (Boissonneau, 1840) -- valid -- Metallic-green Tanager, Calliste vert, Tangara verdinegra
  Tangara larvata (Du Bus de Gisignies, 1846) -- invalid -- Tángara capucha dorada, Golden-hooded Tanager
  Tangara lavinia (Cassin, 1858) -- valid -- Rufous-winged Tanager, Calliste à ailes rousses, Tangara alirrufa
  Tangara mexicana (Linnaeus, 1766) -- valid -- Turquoise Tanager, Calliste diable-enrhumé, Tangara turquesa, saíra-de-bando
  Tangara meyerdeschauenseei Schulenberg & Binford, 1985 -- invalid -- Green-capped Tanager
  Tangara nigrocincta (Bonaparte, 1838) -- invalid -- Masked Tanager
  Tangara nigroviridis (Lafresnaye, 1843) -- valid -- Beryl-spangled Tanager, Calliste béryl, Tangara de lentejuelas
  Tangara palmeri (Hellmayr, 1909) -- invalid -- Grey-and-gold Tanager, Gray-and-gold Tanager
  Tangara parzudakii (Lafresnaye, 1843) -- valid -- Flame-faced Tanager, Calliste à face rouge, Tangara carirroja, saíra-cara-de-fogo
  Tangara peruviana (Desmarest, 1806) -- invalid -- Black-backed Tanager
  Tangara phillipsi G. R. Graves & Weske, 1987 -- invalid -- Sira Tanager
  Tangara preciosa (Cabanis, 1851) -- invalid -- Chestnut-backed Tanager
  Tangara punctata (Linnaeus, 1766) -- invalid -- Spotted Tanager
  Tangara ruficervix (Prévost & Des Murs, 1842) -- invalid -- Golden-naped Tanager
  Tangara rufigenis (P. L. Sclater, 1857) -- valid -- Rufous-cheeked Tanager, Calliste à joues rousses, Tangara carirrufa
  Tangara rufigula (Bonaparte, 1851) -- invalid -- Rufous-throated Tanager
  Tangara schrankii (Spix, 1825) -- valid -- Green-and-gold Tanager, Calliste de Schrank, Tangara de Schrank, saíra-ouro
  Tangara seledon (P. L. S. Müller, 1776) -- valid -- Green-headed Tanager, Calliste à tête verte, Tangara arcoiris, saíra-sete-cores
  Tangara varia (P. L. S. Müller, 1776) -- invalid -- Dotted Tanager
  Tangara vassorii (Boissonneau, 1840) -- valid -- Blue-and-black Tanager, Calliste bleu et noir, Tangara azulinegra común
  Tangara velia (Linnaeus, 1758) -- valid -- Opal-rumped Tanager, Calliste varié, Tangara velia, saíra-diamante
  Tangara viridicollis (Taczanowski, 1884) -- invalid -- Silver-backed Tanager
  Tangara vitriolina (Cabanis, 1851) -- invalid -- Scrub Tanager
  Tangara xanthocephala (Tschudi, 1844) -- valid -- Saffron-crowned Tanager, Calliste à tête dorée, Tangara coronigualda
  Tangara xanthogastra (P. L. Sclater, 1851) -- invalid -- Yellow-bellied Tanager
  Tanygnathus Wagler, 1832 -- valid
  Tanygnathus gramineus (J. F. Gmelin, 1788) -- valid -- Black-lored Parrot, Perruche de Buru, Loro de Buru
  Tanygnathus lucionensis (Linnaeus, 1766) -- valid -- Blue-naped Parrot, Perruche de Luçon, Loro nuquiazul, papagaio-de-nuca-azul
  Tanygnathus megalorynchos (Boddaert, 1783) -- valid -- Great-billed Parrot, Perruche à bec de sang, Loro picogordo
  Tanygnathus sumatranus (Raffles, 1822) -- valid -- Blue-backed Parrot, Azure-rumped Parrot, Perruche de Müller, Loro de Müller
  Tanysiptera Vigors, 1825 -- valid
  Tanysiptera carolinae Schlegel, 1871 -- valid -- Cobalt Paradise Kingfisher, Numfor Paradise Kingfisher, Alción colilargo de Numfor, Martin-chasseur de Caroline, Numfor Paradise-kingfisher
  Tanysiptera danae Sharpe, 1880 -- valid -- Russet Paradise Kingfisher, Brown-headed Paradise Kingfisher, Alción colilargo dánae, Martin-chasseur rose, Brown-headed Paradise-kingfisher
  Tanysiptera ellioti Sharpe, 1870 -- valid -- Kofiau Paradise Kingfisher, Kafiau Paradise Kingfisher, Alción colilargo de Kofiau, Martin-chasseur de Kofiau
  Tanysiptera galatea G. R. Gray, 1859 -- valid -- Galatea Paradise Kingfisher, Common Paradise Kingfisher, Alción colilargo común, Martin-chasseur à longs brins, Common Paradise-Kingfisher
  Tanysiptera hydrocharis G. R. Gray, 1858 -- valid -- Little Paradise Kingfisher, Alción colilargo de las Aru, Martin-chasseur menu, Little Paradise-Kingfisher
  Tanysiptera nympha G. R. Gray, 1840 -- valid -- Fairy Paradise Kingfisher, Red-breasted Paradise Kingfisher, Alción colilargo ninfa, Martin-chasseur nymphe, Red-breasted Paradise-Kingfisher
  Tanysiptera riedelii J. Verreaux, 1866 -- valid -- Biak Paradise Kingfisher, Alción colilargo de Biak, Martin-chasseur de Biak, Biak Paradise-Kingfisher
  Tanysiptera sylvia Gould, 1850 -- valid -- Buff-breasted Paradise Kingfisher, Alción colilargo silvia, Martin-chasseur sylvain, Buff-breasted Paradise-Kingfisher
  Taoniscus Gloger, 1842 -- valid
  Taoniscus nanus (Temminck, 1815) -- valid -- Dwarf Tinamou
  Tapera Thunberg, 1819 -- valid
  Tapera naevia (Linnaeus, 1766) -- valid -- Cuclillo rayado, Striped Cuckoo
  Taphrolesbia Simon, 1918 -- valid
  Taphrolesbia griseiventris (Taczanowski, 1883) -- valid -- Grey-bellied Comet
  Taphrospilus Simon, 1910 -- valid
  Taphrospilus hypostictus (Gould, 1862) -- valid -- Many-spotted Hummingbird
  Taraba Lesson, 1831 -- valid
  Taraba major (Vieillot, 1816) -- valid -- Batará mayor, Great Antshrike
  Tarsiger Hodgson, 1845 -- valid -- Bluetails
  Tarsiger chrysaeus Hodgson, 1845 -- valid -- Golden Bush Robin
  Tarsiger cyanurus (Pallas, 1773) -- valid -- Red-flanked Bluetail
  Tarsiger hyperythrus (Blyth, 1847) -- valid -- Rufous-breasted Bush Robin
  Tarsiger indicus (Vieillot, 1817) -- valid -- White-browed Bush Robin
  Tarsiger johnstoniae (Ogilvie-Grant, 1906) -- valid -- Collared Bush Robin
  Tauraco Kluk, 1779 -- valid
  Tauraco bannermani (Bates, 1923) -- valid -- Bannerman's Turaco
  Tauraco corythaix (Wagler, 1827) -- valid -- Knysna Turaco
  Tauraco erythrolophus (Vieillot, 1819) -- valid -- Red-crested Turaco
  Tauraco fischeri (Reichenow, 1878) -- valid -- Fischer's Turaco
  Tauraco hartlaubi (Fischer & Reichenow, 1884) -- valid -- Hartlaub's Turaco
  Tauraco leucolophus (Heuglin, 1855) -- valid -- White-crested Turaco
  Tauraco leucotis (Ruppell, 1835) -- valid -- White-cheeked Turaco
  Tauraco livingstonii (G. R. Gray, 1864) -- valid -- Livingstone's Turaco
  Tauraco macrorhynchus (Fraser, 1839) -- valid -- Yellow-billed Turaco
  Tauraco persa (Linnaeus, 1758) -- valid -- Green Turaco, Guinea Turaco
  Tauraco ruspolii (Salvadori, 1896) -- valid -- Ruspoli's Turaco
  Tauraco schalowi (Reichenow, 1891) -- valid -- Schalow's Turaco
  Tauraco schuettii (Cabanis, 1879) -- valid -- Black-billed Turaco
  Tchagra Lesson, 1831 -- valid
  Tchagra anchietae (Bocage, 1869) -- invalid
  Tchagra australis (A. Smith, 1836) -- valid -- Brown-crowned Tchagra
  Tchagra jamesi (Shelley, 1885) -- valid -- Three-streaked Tchagra
  Tchagra minuta (Hartlaub, 1858) -- invalid
  Tchagra senegala (Linnaeus, 1766) -- invalid
  Tchagra tchagra (Vieillot, 1816) -- valid -- Southern Tchagra
  Telacanthura Mathews, 1918 -- valid
  Telacanthura melanopygia (Chapin, 1915) -- valid -- Black Spinetail
  Telacanthura ussheri (Sharpe, 1870) -- valid -- Mottled Spinetail
  Teledromas Wetmore & J. L. Peters, 1922 -- valid
  Teledromas fuscus (P. L. Sclater & Salvin, 1873) -- valid -- Sandy Gallito
  Telespiza S. B. Wilson, 1890 -- valid -- Laysan Finches
  Telespiza cantans S. B. Wilson, 1890 -- valid -- Laysan Finch
  Telespiza ultima Bryan, 1917 -- valid -- Nihoa Finch
  Telophorus Swainson, 1832 -- valid
  Telophorus bocagei (Reichenow, 1894) -- invalid
  Telophorus dohertyi (Rothschild, 1901) -- valid
  Telophorus kupeensis (Serle, 1951) -- invalid
  Telophorus multicolor (G. R. Gray, 1845) -- invalid
  Telophorus nigrifrons (Reichenow, 1896) -- invalid
  Telophorus olivaceus (Shaw, 1809) -- invalid
  Telophorus quadricolor (Cassin, 1851) -- valid
  Telophorus sulfureopectus (Lesson, 1831) -- invalid
  Telophorus viridis (Vieillot, 1817) -- valid
  Telophorus zeylonus (Linnaeus, 1766) -- valid -- Bokmakierie
  Temnurus Lesson, 1831 -- valid
  Temnurus temnurus (Temminck, 1825) -- valid -- Ratchet-tailed Treepie
  Tephrodornis Swainson, 1832 -- valid
  Tephrodornis gularis (Raffles, 1822) -- invalid
  Tephrodornis pondicerianus (Gmelin, 1789) -- valid -- Common Woodshrike
  Tephrozosterops Stresemann, 1931 -- valid
  Tephrozosterops stalkeri (Ogilvie-Grant, 1910) -- valid -- Rufescent Darkeye
  Terathopius Lesson, 1830 -- valid
  Terathopius ecaudatus (Daudin, 1800) -- valid -- Bateleur
  Terenura Cabanis & Heine, 1859 -- valid
  Terenura callinota (P. L. Sclater, 1855) -- valid -- Rufous-rumped Antwren
  Terenura humeralis P. L. Sclater & Salvin, 1880 -- valid -- Chestnut-shouldered Antwren
  Terenura maculata (Wied-Neuwied, 1831) -- valid -- Streak-capped Antwren
  Terenura sharpei Berlepsch, 1901 -- valid -- Yellow-rumped Antwren
  Terenura sicki Teixeira & Gonzaga, 1983 -- valid -- Orange-bellied Antwren
  Terenura spodioptila P. L. Sclater & Salvin, 1881 -- valid -- Ash-winged Antwren
  Teretistris Cabanis, 1855 -- valid
  Teretistris fernandinae (Lembeye, 1850) -- valid -- Yellow-headed Warbler, Paruline de Fernandina
  Teretistris fornsi Gundlach, 1858 -- valid -- Oriente Warbler, Paruline d'Oriente
  Terpsiphone Gloger, 1827 -- valid
  Terpsiphone atrocaudata (Eyton, 1839) -- valid -- Japanese Paradise Flycatcher
  Terpsiphone atrochalybeia (Thomson, 1842) -- valid -- Sao Tome Paradise Flycatcher
  Terpsiphone bedfordi (Ogilvie-Grant, 1907) -- valid -- Bedford's Paradise Flycatcher
  Terpsiphone bourbonnensis (Statius Muller, 1776) -- valid -- Mascarene Paradise Flycatcher
  Terpsiphone cinnamomea (Sharpe, 1877) -- valid -- Rufous Paradise Flycatcher
  Terpsiphone corvina (E. Newton, 1867) -- valid -- Seychelles Paradise Flycatcher, Seychelles black flycatcher
  Terpsiphone cyanescens (Sharpe, 1877) -- valid -- Blue Paradise Flycatcher
  Terpsiphone mutata (Linnaeus, 1766) -- valid -- Malagasy Paradise Flycatcher
  Terpsiphone paradisi (Linnaeus, 1758) -- valid -- Asian Paradise Flycatcher
  Terpsiphone rufiventer (Swainson, 1837) -- valid
  Terpsiphone rufocinerea Cabanis, 1875 -- valid -- Rufous-vented Paradise Flycatcher
  Terpsiphone viridis (Statius Muller, 1776) -- valid -- African Paradise Flycatcher
  Tersina Vieillot, 1819 -- valid
  Tersina viridis (Illiger, 1811) -- valid -- Swallow Tanager, Tersine hirondelle, Tangara golondrina, saí-andorinha
  Tesia Hodgson, 1837 -- valid
  Tesia castaneocoronata (Burton, 1836) -- invalid
  Tesia cyaniventer Hodgson, 1837 -- valid -- Grey-bellied Tesia
  Tesia everetti (Hartert, 1897) -- valid -- Russet-capped Tesia
  Tesia olivea (McClelland, 1840) -- valid -- Slaty-bellied Tesia
  Tesia superciliaris (Bonaparte, 1850) -- valid -- Javan Tesia
  Tetrao Linnaeus, 1758 -- valid -- Capercaillie
  Tetrao mlokosiewiczi Taczanowski, 1875 -- invalid
  Tetrao parvirostris Bonaparte, 1856 -- invalid -- Black-billed Capercaillie
  Tetrao tetrix Linnaeus, 1758 -- invalid
  Tetrao urogallus Linnaeus, 1758 -- valid -- Grand Tétras, Urogallo común, tetraz-real, Western Capercaillie
  Tetraogallus J. E. Gray, 1832 -- valid
  Tetraogallus altaicus (Gebler, 1836) -- valid -- Tétraogalle de l'Altaï, Perdigallo altaico, galo-das-neves-altáico, Altai Snowcock
  Tetraogallus caspius (S. G. Gmelin, 1784) -- valid -- Tétraogalle de Perse, Perdigallo del Caspio, galo-das-neves-do-cáspio, Caspian Snowcock
  Tetraogallus caucasicus (Pallas, 1811) -- valid -- Tétraogalle du Caucase, Perdigallo caucasiano, galo-das-neves-do-cáucaso, Caucasian Snowcock
  Tetraogallus himalayensis G. R. Gray, 1843 -- valid -- Tétraogalle de l'Himalaya, Perdigallo himalayo, galo-das-neves-himalaio, Himalayan Snowcock
  Tetraogallus tibetanus Gould, 1854 -- valid -- Tétraogalle du Tibet, Perdigallo tibetano, galo-das-neves-tibetano, Tibetan Snowcock
  Tetraophasis D. G. Elliot, 1871 -- valid -- Monal-Partridges
  Tetraophasis obscurus (J. Verreaux, 1869) -- valid -- Tétraophase de Verreaux, Perdiz faisán gorjioscura, perdiz-faisão-de-papo-castanho, Verreaux's Partridge, Chestnut-throated Partridge, Verreaux's Monal Partridge, Verreaux's Monal-Partridge
  Tetraophasis szechenyii Madarász, 1885 -- valid -- Tétraophase de Szecheny, Perdiz faisán gorjiclara, perdiz-faisão-de-papo-pardo, Szechenyi's Partridge, Buff-throated Partridge, Szechenyi's Monal Partridge, Szechenyi's Monal-Partridge
  Tetrax T. Forster, 1817 -- valid
  Tetrax tetrax (Linnaeus, 1758) -- valid -- Little Bustard
  Thalassarche Reichenbach, 1853 -- valid
  Thalassarche bulleri (Rothschild, 1893) -- valid -- Buller's Albatross
  Thalassarche cauta (Gould, 1841) -- valid -- Albatros à cape blanche, Shy Albatross
  Thalassarche chlororhynchos (Gmelin, 1789) -- valid -- Albatros à nez jaune, Yellow-nosed Albatross, Atlantic Yellow-nosed Albatross
  Thalassarche chrysostoma (J. R. Forster, 1785) -- valid -- Grey-headed Albatross
  Thalassarche melanophris (Temminck, 1828) -- valid -- Albatros à sourcils noirs, Black-browed Albatross
  Thalassoica Reichenbach, 1853 -- valid
  Thalassoica antarctica (Gmelin, 1789) -- valid -- Antarctic Petrel
  Thalassornis Eyton, 1838 -- valid
  Thalassornis leuconotus Eyton, 1838 -- valid -- White-backed Duck, Dendrocygne à dos blanc, Pato dorsiblanco, pato-de-dorso-branco
  Thalurania Gould, 1848 -- valid
  Thalurania colombica (Bourcier, 1843) -- valid -- Violet-crowned Woodnymph, Crowned Woodnymph
  Thalurania fannyi (Delattre & Bourcier, 1846) -- invalid -- Green-crowned Woodnymph
  Thalurania furcata (J. F. Gmelin, 1788) -- valid -- Fork-tailed Woodnymph
  Thalurania glaucopis (J. F. Gmelin, 1788) -- valid -- Violet-capped Woodnymph
  Thalurania ridgwayi Nelson, 1900 -- invalid -- Ninfa mexicana, Mexican Woodnymph
  Thalurania watertonii (Bourcier, 1847) -- valid -- Long-tailed Woodnymph
  Thamnistes P. L. Sclater & Salvin, 1860 -- valid
  Thamnistes anabatinus P. L. Sclater & Salvin, 1860 -- valid -- Batará café, Russet Antshrike
  Thamnolaea Cabanis, 1850 -- valid
  Thamnolaea cinnamomeiventris (Lafresnaye, 1836) -- valid -- Mocking Cliff Chat
  Thamnolaea coronata Reichenow, 1902 -- valid -- White-crowned Cliff Chat
  Thamnolaea semirufa (Rüppell, 1837) -- invalid -- White-winged Cliff Chat
  Thamnomanes Cabanis, 1847 -- valid
  Thamnomanes ardesiacus (P. L. Sclater & Salvin, 1868) -- valid -- Dusky-throated Antshrike
  Thamnomanes caesius (Temminck, 1820) -- valid -- Cinereous Antshrike
  Thamnomanes schistogynus Hellmayr, 1911 -- valid -- Bluish-slate Antshrike
  Thamnophilidae Swainson, 1824 -- valid
  Thamnophilus Vieillot, 1816 -- valid
  Thamnophilus aethiops P. L. Sclater, 1858 -- valid -- White-shouldered Antshrike
  Thamnophilus amazonicus P. L. Sclater, 1858 -- valid -- Amazonian Antshrike
  Thamnophilus aroyae (Hellmayr, 1904) -- valid -- Upland Antshrike
  Thamnophilus atrinucha Salvin & Godman, 1892 -- valid -- Western Slaty Antshrike, Western Slaty-Antshrike
  Thamnophilus bridgesi P. L. Sclater, 1856 -- valid -- Black-hooded Antshrike
  Thamnophilus caerulescens Vieillot, 1816 -- valid -- Variable Antshrike
  Thamnophilus cryptoleucus (Menegaux & Hellmayr, 1906) -- valid -- Castelnau's Antshrike
  Thamnophilus doliatus (Linnaeus, 1764) -- valid -- Batará barrado, Barred Antshrike
  Thamnophilus insignis Salvin & Godman, 1884 -- valid -- Streak-backed Antshrike
  Thamnophilus multistriatus Lafresnaye, 1844 -- valid -- Bar-crested Antshrike
  Thamnophilus murinus P. L. Sclater & Salvin, 1868 -- valid -- Mouse-colored Antshrike
  Thamnophilus nigriceps P. L. Sclater, 1869 -- valid -- Black Antshrike
  Thamnophilus nigrocinereus P. L. Sclater, 1855 -- valid -- Blackish-grey Antshrike
  Thamnophilus palliatus (Lichtenstein, 1823) -- valid -- Chestnut-backed Antshrike
  Thamnophilus praecox Zimmer, 1937 -- valid -- Cocha Antshrike
  Thamnophilus punctatus (Shaw, 1809) -- valid -- Northern Slaty Antshrike
  Thamnophilus ruficapillus Vieillot, 1816 -- valid -- Rufous-capped Antshrike
  Thamnophilus schistaceus Orbigny, 1837 -- valid -- Plain-winged Antshrike
  Thamnophilus torquatus Swainson, 1825 -- valid -- Rufous-winged Antshrike
  Thamnophilus unicolor (P. L. Sclater, 1859) -- valid -- Uniform Antshrike
  Thamnornis Milne-Edwards & A. Grandidier , 1882 -- valid
  Thamnornis chloropetoides (A. Grandidier, 1867) -- valid -- Thamnornis
  Thaumastura Bonaparte, 1850 -- valid
  Thaumastura cora (R. Lesson & Garnot, 1827) -- valid -- Peruvian Sheartail
  Theristicus Wagler, 1832 -- valid
  Theristicus branickii Berlepsch & Stolzmann, 1894 -- invalid
  Theristicus caerulescens (Vieillot, 1817) -- valid -- Plumbeous Ibis
  Theristicus caudatus (Boddaert, 1783) -- valid -- Buff-necked Ibis, Ibis mandore
  Theristicus melanopis (Gmelin, 1789) -- valid -- Black-faced Ibis
  Thescelocichla Oberholser, 1905 -- valid
  Thescelocichla leucopleura (Cassin, 1855) -- valid -- Swamp Palm Bulbul
  Thinocoridae Sundevall, 1836 -- valid -- Seedsnipes
  Thinocorus Eschscholtz, 1829 -- valid
  Thinocorus orbignyianus I. Geoffroy Saint-Hilaire & R. Lesson, 1831 -- valid -- Grey-breasted Seedsnipe, Thinocore de d'Orbigny, Agachona mediana, puco-puco-de-peito-cinzento, Gray-breasted Seedsnipe
  Thinocorus rumicivorus Eschscholtz, 1829 -- valid -- Least Seedsnipe, Thinocore de Patagonie, Agachona chica, agachadeira-mirim
  Thinornis G. R. Gray, 1844 -- valid
  Thinornis novaeseelandiae (J. F. Gmelin, 1789) -- valid -- Shore Dotterel, Pluvier de Nouvelle-Zélande, Chorlitejo de las Chatham, batuíra-costeira, Shore Plover
  Thlypopsis Cabanis, 1851 -- valid
  Thlypopsis fulviceps Cabanis, 1851 -- valid -- Fulvous-headed Tanager, Tangara à tête fauve, Tangara cabecifulva
  Thlypopsis inornata (Taczanowski, 1879) -- valid -- Buff-bellied Tanager, Tangara à ventre roux, Tangara sencilla
  Thlypopsis ornata (P. L. Sclater, 1859) -- valid -- Rufous-chested Tanager, Tangara à flancs roux, Tangara pechicanela
  Thlypopsis pectoralis (Taczanowski, 1884) -- valid -- Brown-flanked Tanager, Tangara à flancs bruns, Tangara pectoral
  Thlypopsis ruficeps (d'Orbigny & Lafresnaye, 1837) -- valid -- Rust-and-yellow Tanager, Tangara à ventre jaune, Tangara alisera
  Thlypopsis sordida (d'Orbigny & Lafresnaye, 1837) -- valid -- Orange-headed Tanager, Tangara à tête orange, Tangara cabecinaranja, saí-canário
  Thraupis F. Boie, 1826 -- valid
  Thraupis abbas (Deppe, 1830) -- valid -- Tángara ala amarilla, Yellow-winged Tanager, Tangara à miroir jaune, Tangara aliamarilla, sanhaço-de-mancha-amarela
  Thraupis bonariensis (J. F. Gmelin, 1789) -- invalid -- Blue-and-yellow Tanager
  Thraupis cyanocephala (d'Orbigny & Lafresnaye, 1837) -- invalid -- Blue-capped Tanager
  Thraupis cyanoptera (Vieillot, 1817) -- valid -- Azure-shouldered Tanager, Tangara à épaulettes bleues, Tangara cianóptera, sanhaço-de-encontro-azul
  Thraupis episcopus (Linnaeus, 1766) -- valid -- Tángara azulgris, Blue-gray Tanager, Blue-grey Tanager, Tangara évêque, Tangara azuleja, sanhaço-da-amazônia
  Thraupis glaucocolpa Cabanis, 1851 -- valid -- Glaucous Tanager, Tangara glauque, Tangara glauca, sanhaço-glaucous
  Thraupis ornata (Sparrman, 1789) -- valid -- Golden-chevroned Tanager, Tangara orné, Tangara adornada, sanhaço-de-encontro-amarelo
  Thraupis palmarum (Wied-Neuwied, 1821) -- valid -- Palm Tanager, Tangara des palmiers, Tangara palmera, sanhaço-do-coqueiro
  Thraupis sayaca (Linnaeus, 1766) -- valid -- Sayaca Tanager, Tangara sayaca, Tangara sayaca, sanhaço-cinzento
  Threnetes Gould, 1852 -- valid
  Threnetes leucurus (Linnaeus, 1766) -- valid -- Pale-tailed Barbthroat
  Threnetes niger (Linnaeus, 1758) -- valid -- Pale-tailed Barbthroat, Sooty Barbthroat
  Threnetes ruckeri (Bourcier, 1847) -- valid -- Band-tailed Barbthroat
  Threskiornis G. R. Gray, 1842 -- valid
  Threskiornis aethiopicus (Latham, 1790) -- valid -- Sacred Ibis, African Sacred Ibis
  Threskiornis melanocephalus (Latham, 1790) -- valid -- Black-headed Ibis
  Threskiornis molucca (Cuvier, 1829) -- valid -- Australian White Ibis
  Threskiornis spinicollis (Jameson, 1835) -- valid -- Straw-necked Ibis
  Threskiornithidae Poche, 1904 -- valid -- Ibises, Spoonbills
  Thripadectes P. L. Sclater, 1862 -- valid
  Thripadectes flammulatus (Eyton, 1849) -- valid -- Flammulated Treehunter
  Thripadectes holostictus (P. L. Sclater & Salvin, 1876) -- valid -- Striped Treehunter
  Thripadectes ignobilis (P. L. Sclater & Salvin, 1879) -- valid -- Uniform Treehunter
  Thripadectes melanorhynchus (Tschudi, 1844) -- valid -- Black-billed Treehunter
  Thripadectes rufobrunneus (Lawrence, 1865) -- valid -- Streak-breasted Treehunter
  Thripadectes scrutator Taczanowski, 1874 -- valid -- Peruvian Treehunter
  Thripadectes virgaticeps Lawrence, 1874 -- valid -- Streak-capped Treehunter
  Thripophaga Cabanis, 1847 -- valid
  Thripophaga berlepschi Hellmayr, 1905 -- valid -- Russet-mantled Softtail
  Thripophaga cherriei Berlepsch & Hartert, 1902 -- valid -- Orinoco Softtail
  Thripophaga fusciceps P. L. Sclater, 1889 -- valid -- Plain Softtail
  Thripophaga macroura (Wied-Neuwied, 1821) -- valid -- Striated Softtail
  Thryomanes P. L. Sclater, 1862 -- valid -- Bewick's Wrens
  Thryomanes bewickii (Audubon, 1827) -- valid -- Chivirín cola oscura, Bewick's Wren
  Thryomanes sissonii (Grayson, 1868) -- invalid -- Chivirín de Socorro, Socorro Wren
  Thryorchilus Oberholser, 1904 -- valid
  Thryorchilus browni (Bangs, 1902) -- valid -- Timberline Wren
  Thryothorus Vieillot, 1816 -- valid -- Wrens
  Thryothorus atrogularis Salvin, 1865 -- invalid -- Black-throated Wren
  Thryothorus coraya (Gmelin, 1789) -- invalid -- Coraya Wren
  Thryothorus eisenmanni T. A. Parker & O'Neill, 1985 -- invalid -- Inca Wren
  Thryothorus euophrys P. L. Sclater, 1860 -- invalid -- Plain-tailed Wren
  Thryothorus fasciatoventris Lafresnaye, 1845 -- invalid -- Black-bellied Wren
  Thryothorus felix P. L. Sclater, 1860 -- invalid -- Chivirín feliz, Happy Wren
  Thryothorus genibarbis Swainson, 1838 -- invalid -- Moustached Wren
  Thryothorus griseus (Todd, 1925) -- invalid -- Grey Wren
  Thryothorus guarayanus (Orbigny & Lafresnaye, 1837) -- invalid -- Fawn-breasted Wren
  Thryothorus leucopogon (Salvadori & Festa, 1899) -- invalid -- Stripe-throated Wren
  Thryothorus leucotis Lafresnaye, 1845 -- invalid -- Buff-breasted Wren
  Thryothorus longirostris Vieillot, 1819 -- invalid -- Long-billed Wren
  Thryothorus ludovicianus (Latham, 1790) -- valid -- Chivirín de Carolina, Carolina Wren, troglodyte de Caroline
  Thryothorus maculipectus Lafresnaye, 1845 -- invalid -- Chivirín moteado, Spot-breasted Wren
  Thryothorus modestus Cabanis, 1861 -- invalid -- Chivirín modesto, Plain Wren
  Thryothorus mystacalis P. L. Sclater, 1860 -- invalid -- Whiskered Wren
  Thryothorus nicefori Meyer de Schauensee, 1946 -- invalid -- Niceforo's Wren
  Thryothorus nigricapillus P. L. Sclater, 1860 -- invalid -- Bay Wren
  Thryothorus pleurostictus P. L. Sclater, 1860 -- invalid -- Chivirín barrado, Banded Wren
  Thryothorus rufalbus Lafresnaye, 1845 -- invalid -- Chivirín rojizo, Rufous-and-white Wren
  Thryothorus rutilus Vieillot, 1819 -- invalid -- Rufous-breasted Wren
  Thryothorus sclateri Taczanowski, 1879 -- invalid -- Speckle-breasted Wren
  Thryothorus semibadius Salvin, 1870 -- invalid -- Riverside Wren
  Thryothorus sinaloa (S. F. Baird, 1864) -- invalid -- Chivirín sinaloense, Sinaloa Wren
  Thryothorus spadix (Bangs, 1910) -- invalid -- Sooty-headed Wren
  Thryothorus superciliaris Lawrence, 1869 -- invalid -- Superciliated Wren
  Thryothorus thoracicus Salvin, 1865 -- invalid -- Stripe-breasted Wren
  Tiaris Swainson, 1827 -- valid -- Grassquits
  Tiaris bicolor (Linnaeus, 1766) -- invalid -- Black-faced Grassquit
  Tiaris canora (J. F. Gmelin, 1789) -- invalid
  Tiaris fuliginosa (Wied-Neuwied, 1830) -- invalid
  Tiaris obscura (d'Orbigny & Lafresnaye, 1837) -- invalid
  Tiaris olivacea (Linnaeus, 1766) -- invalid -- Yellow-faced Grassquit, Semillero oliváceo
  Tichodroma Illiger, 1811 -- valid
  Tichodroma muraria (Linnaeus, 1766) -- valid -- Wallcreeper
  Tickellia Blyth, 1861 -- valid
  Tickellia hodgsoni (Moore, 1854) -- valid -- Broad-billed Warbler
  Tigriornis Sharpe, 1895 -- valid
  Tigriornis leucolophus (Jardine, 1846) -- invalid
  Tigrisoma Swainson, 1827 -- valid
  Tigrisoma fasciatum (Such, 1825) -- valid -- Fasciated Tiger Heron, Onoré fascié, Fasciated Tiger-Heron
  Tigrisoma lineatum (Boddaert, 1783) -- valid -- Garza-tigre colorada, Rufescent Tiger Heron, Onoré rayé, Rufescent Tiger-Heron
  Tigrisoma mexicanum Swainson, 1834 -- valid -- Garza-tigre mexicana, Bare-throated Tiger-Heron, Bare-throated Tiger Heron, Onoré du Mexique
  Tijuca Ferussac, 1829 -- valid
  Tijuca atra Ferussac, 1829 -- valid -- Black-and-gold Cotinga
  Tijuca condita Snow, 1980 -- valid -- Grey-winged Cotinga
  Tilmatura Reichenbach, 1854 -- valid
  Tilmatura dupontii (R. Lesson, 1832) -- valid -- Colibrí cola pinta, Sparkling-tailed Hummingbird, Sparkling-tailed Woodstar
  Timalia Horsfield, 1821 -- valid
  Timalia pileata Horsfield, 1821 -- valid -- Chestnut-capped Babbler
  Timeliopsis Salvadori, 1876 -- valid
  Timeliopsis fulvigula (Schlegel, 1871) -- valid -- Olive Straightbill, Méliphage olivâtre, Mielero oliváceo
  Timeliopsis griseigula (Schlegel, 1871) -- valid -- Tawny Straightbill, Méliphage chamois, Mielero habano
  Tinamidae -- valid -- Tinamous
  Tinamiformes -- valid -- Tinamous
  Tinamotis Vigors, 1837 -- valid
  Tinamotis ingoufi Oustalet, 1890 -- valid -- Patagonian Tinamou
  Tinamotis pentlandii Vigors, 1837 -- valid -- Puna Tinamou
  Tinamus Hermann, 1783 -- valid
  Tinamus guttatus Pelzeln, 1863 -- valid -- White-throated Tinamou
  Tinamus major (J. F. Gmelin, 1789) -- valid -- Great Tinamou, Tinamú mayor
  Tinamus osgoodi Conover, 1949 -- valid -- Black Tinamou
  Tinamus solitarius (Vieillot, 1819) -- valid -- Solitary Tinamou
  Tinamus tao Temminck, 1815 -- valid -- Grey Tinamou
  Tityra Vieillot, 1816 -- valid -- Tityras
  Tityra cayana (Linnaeus, 1766) -- valid -- Black-tailed Tityra
  Tityra inquisitor (Lichtenstein, 1823) -- valid -- Black-crowned Tityra, Titira pico negro
  Tityra semifasciata (Spix, 1825) -- valid -- Masked Tityra, Titira enmascarada
  Tmetothylacus Cabanis, 1879 -- valid
  Tmetothylacus tenellus (Cabanis, 1878) -- valid -- Golden Pipit
  Tockus R. Lesson, 1830 -- valid
  Tockus albocristatus (Cassin, 1848) -- invalid
  Tockus alboterminatus (Büttikofer, 1889) -- invalid -- Crested Hornbill, Crowned Hornbill
  Tockus bradfieldi (Roberts, 1930) -- invalid -- Bradfield's Hornbill
  Tockus camurus Cassin, 1857 -- invalid -- Red-billed Dwarf Hornbill
  Tockus deckeni (Cabanis, 1868) -- valid -- Von der Decken's Hornbill, calau-de-decken, Toco de Von der Decken, Calao de der Decken
  Tockus erythrorhynchus (Temminck, 1823) -- valid -- Red-billed Hornbill, Northern Red-billed Hornbill, calau-de-bico-vermelho, Toco piquirrojo, Calao à bec rouge
  Tockus fasciatus (Shaw, 1812) -- invalid -- African Pied Hornbill
  Tockus flavirostris (Rüppell, 1835) -- valid -- Eastern Yellow-bellied Hornbill, Northern Yellow-billed Hornbill, Eastern Yellow-billed Hornbill, calau-de-bico-amarelo, Toco piquigualdo norteño, Calao à bec jaune
  Tockus hartlaubi Gould, 1861 -- invalid -- Black Dwarf Hornbill
  Tockus hemprichii (Ehrenberg, 1833) -- invalid -- Hemprich's Hornbill
  Tockus jacksoni (Ogilvie-Grant, 1891) -- valid -- Jackson's Hornbill, Toco de Jackson, Calao de Jackson
  Tockus leucomelas (M. H. K. Lichtenstein, 1842) -- valid -- Southern Yellow-billed Hornbill, calau-de-bico-amarelo, Toco piquigualdo sureño, Calao leucomèle
  Tockus monteiri Hartlaub, 1865 -- valid -- Monteiro's Hornbill, calau-de-monteiro, Toco angoleño, Calao de Monteiro
  Tockus nasutus (Linnaeus, 1766) -- invalid -- African Grey Hornbill
  Tockus pallidirostris (Hartlaub & Finsch, 1870) -- invalid -- Pale-billed Hornbill
  Todidae -- valid -- Todies
  Todirhamphus R. Lesson, 1827 -- invalid
  Todirhamphus albonotatus (E. P. Ramsay, 1884) -- invalid
  Todirhamphus australasia (Vieillot, 1818) -- invalid
  Todirhamphus chloris (Boddaert, 1783) -- invalid
  Todirhamphus cinnamominus (Swainson, 1821) -- invalid -- Micronesian Kingfisher
  Todirhamphus diops (Temminck, 1824) -- invalid
  Todirhamphus enigma (E. Hartert, 1904) -- invalid
  Todirhamphus farquhari (Sharpe, 1899) -- invalid
  Todirhamphus funebris Bonaparte, 1850 -- invalid
  Todirhamphus gambieri (Oustalet, 1895) -- invalid
  Todirhamphus godeffroyi (Finsch, 1877) -- invalid
  Todirhamphus lazuli (Temminck, 1830) -- invalid
  Todirhamphus leucopygius (J. Verreaux, 1858) -- invalid
  Todirhamphus macleayii (Jardine & Selby, 1830) -- invalid
  Todirhamphus nigrocyaneus (Wallace, 1862) -- invalid
  Todirhamphus pyrrhopygia (Gould, 1841) -- invalid
  Todirhamphus recurvirostris Lafresnaye, 1842 -- invalid
  Todirhamphus ruficollaris (Holyoak, 1974) -- invalid
  Todirhamphus sanctus (Vigors & Horsfield, 1827) -- invalid
  Todirhamphus saurophaga (Gould, 1843) -- invalid
  Todirhamphus tuta (J. F. Gmelin, 1788) -- invalid
  Todirhamphus veneratus (J. F. Gmelin, 1788) -- invalid
  Todirhamphus winchelli (Sharpe, 1877) -- invalid
  Todirostrum Lesson, 1831 -- valid
  Todirostrum calopterum P. L. Sclater, 1857 -- invalid
  Todirostrum chrysocrotaphum Strickland, 1850 -- valid -- Yellow-browed Tody-Flycatcher
  Todirostrum cinereum (Linnaeus, 1766) -- valid -- Common Tody-Flycatcher, Espatulilla amarillo
  Todirostrum fumifrons Hartlaub, 1853 -- invalid
  Todirostrum latirostre (Pelzeln, 1868) -- invalid
  Todirostrum maculatum (Desmarest, 1806) -- valid -- Spotted Tody-Flycatcher
  Todirostrum nigriceps P. L. Sclater, 1855 -- valid -- Black-headed Tody-Flycatcher
  Todirostrum pictum Salvin, 1897 -- valid -- Painted Tody-Flycatcher
  Todirostrum plumbeiceps Lafresnaye, 1846 -- invalid
  Todirostrum poliocephalum (Wied-Neuwied, 1831) -- valid -- Yellow-lored Tody-Flycatcher
  Todirostrum pulchellum P. L. Sclater, 1874 -- invalid
  Todirostrum russatum (Salvin & Godman, 1884) -- invalid
  Todirostrum senex (Pelzeln, 1868) -- invalid
  Todirostrum sylvia (Desmarest, 1806) -- invalid -- Espatulilla gris
  Todirostrum viridanum Hellmayr, 1927 -- valid -- Maracaibo Tody-Flycatcher
  Todus Brisson, 1760 -- valid -- Todies
  Todus angustirostris Lafresnaye, 1851 -- valid -- Narrow-billed Tody, Barrancolí picofino, Todier à bec étroit
  Todus mexicanus R. Lesson, 1838 -- valid -- todi-de-porto-rico, Barrancolí puertorriqueño, Todier de Porto Rico, Puerto Rican Tody
  Todus multicolor Gould, 1837 -- valid -- Cuban Tody, Barrancolí cubano, Todier de Cuba
  Todus subulatus G. R. Gray, 1847 -- valid -- Broad-billed Tody, Barrancolí picogrueso, Todier à bec large
  Todus todus (Linnaeus, 1758) -- valid -- Jamaican Tody, Barrancolí jamaicano, Todier de Jamaïque
  Tolmomyias Hellmayr, 1927 -- valid
  Tolmomyias assimilis (Pelzeln, 1868) -- valid -- Yellow-margined Flycatcher, Zimmer's Flatbill
  Tolmomyias flaviventris (Wied-Neuwied, 1831) -- valid -- Ochre-lored Flatbill
  Tolmomyias poliocephalus (Taczanowski, 1884) -- valid -- Grey-crowned Flatbill
  Tolmomyias sulphurescens (Spix, 1825) -- valid -- Yellow-olive Flycatcher, Mosquero ojo blanco, Yellow-olive Flatbill
  Tolmomyias traylori Schulenberg & T. A. Parker, 1997 -- valid -- Orange-eyed Flatbill
  Topaza G. R. Gray, 1840 -- valid
  Topaza pella (Linnaeus, 1758) -- valid -- Crimson Topaz
  Topaza pyra (Gould, 1846) -- valid -- Fiery Topaz
  Torgos Kaup, 1828 -- valid
  Torgos tracheliotus (J. R. Forster, 1796) -- valid -- Lappet-faced Vulture
  Torreornis Barbour & J. L. Peters, 1927 -- valid
  Torreornis inexpectata Barbour & J. L. Peters, 1927 -- valid -- Zapata Sparrow, Bruant de Zapata, Chingolo de la ciénaga
  Touit G. R. Gray, 1855 -- valid
  Touit batavica (Boddaert, 1783) -- invalid
  Touit costaricensis (Cory, 1913) -- valid -- Red-fronted Parrotlet, Toui du Costa Rica, Cotorrita costarricense
  Touit dilectissima (P. L. Sclater & Salvin, 1871) -- invalid
  Touit huetii (Temminck, 1830) -- valid -- Scarlet-shouldered Parrotlet, Toui de Huet, Cotorrita alirroja, apuim-de-asa-vermelha
  Touit melanonotus (zu Wied-Neuwied, 1820) -- valid -- Brown-backed Parrotlet, Toui à dos noir, Cotorrita dorsinegra, apuim-de-costas-pretas
  Touit purpurata (J. F. Gmelin, 1788) -- invalid
  Touit stictoptera (P. L. Sclater, 1862) -- invalid
  Touit surda (Kuhl, 1820) -- invalid
  Toxorhamphus Stresemann, 1914 -- valid
  Toxorhamphus iliolophus (Salvadori, 1876) -- invalid
  Toxorhamphus novaeguineae (Lesson, 1827) -- valid -- Green-crowned Longbill
  Toxorhamphus poliopterus (Sharpe, 1882) -- valid -- Slaty-headed Longbill
  Toxostoma Wagler, 1831 -- valid -- American Thrashers
  Toxostoma bendirei (Coues, 1873) -- valid -- Bendire's Thrasher, Cuitlacoche pico corto
  Toxostoma cinereum (Xantus de Vesey, 1860) -- valid -- Cuitlacoche peninsular, Grey Thrasher, Gray Thrasher
  Toxostoma crissale Henry, 1858 -- valid -- Crissal Thrasher, Cuitlacoche crisal
  Toxostoma curvirostre (Swainson, 1827) -- valid -- Curve-billed Thrasher, Cuitlacoche pico curvo
  Toxostoma guttatum (Ridgway, 1885) -- valid -- Cuitlacoche de Cozumel, Cozumel Thrasher
  Toxostoma lecontei Lawrence, 1851 -- valid -- Le Conte's Thrasher, Cuitlacoche pálido
  Toxostoma longirostre (Lafresnaye, 1838) -- valid -- Long-billed Thrasher, Cuitlacoche pico largo
  Toxostoma ocellatum (P. L. Sclater, 1862) -- valid -- Cuitlacoche manchado, Ocellated Thrasher
  Toxostoma redivivum (Gambel, 1845) -- valid -- California Thrasher, Cuitlacoche californiano
  Toxostoma rufum (Linnaeus, 1758) -- valid -- Cuitlacoche rojizo, moqueur roux, Brown Thrasher
  Trachyphonus Ranzani, 1821 -- valid
  Trachyphonus darnaudii (Prévost & Des Murs, 1847) -- valid -- D'Arnaud's Barbet
  Trachyphonus erythrocephalus Cabanis, 1878 -- valid -- Red-and-yellow Barbet
  Trachyphonus margaritatus (Cretzschmar, 1828) -- valid -- Yellow-breasted Barbet
  Trachyphonus purpuratus J. Verreaux & E. Verreaux, 1851 -- valid -- Yellow-billed Barbet
  Trachyphonus usambiro Neumann, 1908 -- invalid
  Trachyphonus vaillantii Ranzani, 1821 -- valid -- Crested Barbet
  Tragopan Cuvier, 1829 -- valid -- Tragopans
  Tragopan blythii (Jerdon, 1870) -- valid -- Tragopan de Blyth, Tragopán de Blyth, tragopã-de-barrig-branca, Blyth's Tragopan, Blyth's Tragopan Pheasant
  Tragopan caboti (Gould, 1857) -- valid -- Tragopan de Cabot, Tragopán chino, tragopã-de-peito-branco, Cabot's Tragopan Pheasant, Cabot's Tragopan
  Tragopan melanocephalus (J. E. Gray, 1829) -- valid -- Tragopan de Hastings, Tragopán dorsigrís, tragopã-de-dorso-cinzento, Western Tragopan, Western Tragopan Pheasant
  Tragopan satyra (Linnaeus, 1758) -- valid -- Tragopan satyre, Tragopán sátiro, tragopã-sátiro, Satyr Tragopan
  Tragopan temminckii (J. E. Gray, 1831) -- valid -- Tragopan de Temminck, Tragopán cariazul, tragopã-de-cara-azul, Temminck's Tragopan
  Tregellasia Mathews, 1912 -- valid
  Tregellasia capito (Gould, 1854) -- valid -- Pale-yellow Robin
  Tregellasia leucops (Salvadori, 1876) -- valid -- White-faced Robin
  Treron Vieillot, 1816 -- valid
  Treron apicauda Blyth, 1846 -- valid -- Pin-tailed Green Pigeon
  Treron australis (Linnaeus, 1771) -- valid -- Madagascar Green Pigeon, Madagascan Green Pigeon
  Treron bicincta (Jerdon, 1840) -- invalid
  Treron calva (Temminck, 1811) -- invalid
  Treron capellei (Temminck, 1822) -- valid -- Large Green Pigeon
  Treron curvirostra (J. F. Gmelin, 1789) -- valid -- Thick-billed Green Pigeon
  Treron floris Wallace, 1864 -- valid -- Flores Green Pigeon
  Treron formosae Swinhoe, 1863 -- valid -- Whistling Green Pigeon
  Treron fulvicollis (Wagler, 1827) -- valid -- Cinnamon-headed Green Pigeon
  Treron griseicauda Wallace, 1863 -- invalid -- Grey-cheeked Green Pigeon
  Treron olax (Temminck, 1823) -- valid -- Little Green Pigeon
  Treron oxyura (Temminck, 1823) -- invalid
  Treron pembaensis Pakenham, 1940 -- valid -- Pemba Green Pigeon
  Treron phoenicoptera (Latham, 1790) -- invalid
  Treron pompadora (J. F. Gmelin, 1789) -- valid -- Pompadour Green Pigeon, Sri Lanka Green Pigeon
  Treron psittacea (Temminck, 1808) -- invalid
  Treron sanctithomae (J. F. Gmelin, 1789) -- valid -- Sao Tome Green Pigeon
  Treron seimundi (Robinson, 1910) -- valid -- Yellow-vented Green Pigeon
  Treron sieboldii (Temminck, 1835) -- valid -- White-bellied Green Pigeon
  Treron sphenura (Vigors, 1832) -- invalid
  Treron teysmannii Schlegel, 1879 -- valid -- Sumba Green Pigeon
  Treron vernans (Linnaeus, 1771) -- valid -- Pink-necked Green Pigeon
  Treron waalia (F. A. A. Meyer, 1793) -- valid -- Bruce's Green Pigeon
  Trichastoma Blyth, 1842 -- valid
  Trichastoma bicolor (Lesson, 1839) -- valid -- Ferruginous Babbler
  Trichastoma celebense Strickland, 1850 -- valid -- Sulawesi Babbler
  Trichastoma rostratum Blyth, 1842 -- valid -- White-chested Babbler
  Trichastoma woodi (Mearns, 1905) -- invalid
  Trichixos Lesson, 1839 -- valid
  Trichixos pyrropyga Lesson, 1839 -- invalid
  Trichocichla Reichenow, 1890 -- invalid
  Trichocichla rufa Reichenow, 1890 -- invalid -- long-legged thicketbird
  Trichodere North, 1912 -- valid
  Trichodere cockerelli (Gould, 1869) -- valid -- White-streaked Honeyeater, Méliphage de Cockerell, Mielero de Cockerell
  Trichoglossus Stephens, 1826 -- valid -- Island Lories
  Trichoglossus chlorolepidotus (Kuhl, 1820) -- valid -- Scaly-breasted Lorikeet, Loriquet vert, Lori escuamiverde, lóris-verde-de-peito-escamosos
  Trichoglossus euteles (Temminck, 1835) -- valid -- Olive-headed Lorikeet, Loriquet eutèle, Lori humilde, lóris-de-cabeça-amarilla
  Trichoglossus flavoviridis Wallace, 1863 -- invalid -- Citrine Lorikeet, Loriquet jaune et vert, Lori verdigualdo
  Trichoglossus haematodus (Linnaeus, 1771) -- valid -- Coconut Lorikeet, Rainbow Lorikeet, Loriquet à tête bleue, Lori de cocotero, lóris-arco-íris
  Trichoglossus johnstoniae Hartert, 1903 -- invalid -- Mindanao Lorikeet, Loriquet de Johnstone, Lori de Mindanao
  Trichoglossus ornatus (Linnaeus, 1758) -- invalid -- Ornate Lorikeet, Loriquet orné, Lori adornado, lóris-ornado
  Trichoglossus rubiginosus (Bonaparte, 1850) -- valid -- Pohnpei Lorikeet, Ponape Lory, Loriquet de Ponapé, Lori de Ponapé
  Trichoglossus rubritorquis Vigors & Horsfield, 1827 -- valid -- Red-collared Lorikeet, Loriquet à col rouge, Lori cuellirrojo, lóris-de-colar-rojo
  Tricholaema J. Verreaux & E. Verreaux, 1855 -- valid
  Tricholaema diademata (Heuglin, 1861) -- valid -- Red-fronted Barbet
  Tricholaema frontata (Cabanis, 1880) -- valid -- Miombo Pied Barbet
  Tricholaema hirsuta (Swainson, 1821) -- valid -- Hairy-breasted Barbet
  Tricholaema lacrymosa Cabanis, 1878 -- valid -- Spot-flanked Barbet
  Tricholaema leucomelas (Boddaert, 1783) -- valid -- Acacia Pied Barbet
  Tricholaema melanocephala (Cretzschmar, 1829) -- valid -- Black-throated Barbet
  Tricholestes Salvadori, 1874 -- valid
  Tricholestes criniger (Blyth, 1845) -- valid -- Hairy-backed Bulbul
  Trichothraupis Cabanis, 1851 -- valid
  Trichothraupis melanops (Vieillot, 1818) -- valid -- Black-goggled Tanager, Tangara à front noir, Tangara de anteojos, tiê-de-topete
  Triclaria Wagler, 1832 -- valid
  Triclaria malachitacea (von Spix, 1824) -- valid -- Blue-bellied Parrot, Crick à ventre bleu, Loro ventriazul, sabiá-cica
  Trigonoceps Lesson, 1842 -- valid
  Trigonoceps occipitalis (Burchell, 1824) -- valid -- White-headed Vulture
  Tringa Linnaeus, 1758 -- valid -- Redshanks
  Tringa erythropus (Pallas, 1764) -- valid -- Spotted Redshank, Chevalier arlequin, Archibebe oscuro, perna-vermelha-bastardo
  Tringa flavipes (J. F. Gmelin, 1789) -- valid -- Patamarilla menor, Lesser Yellowlegs, Petit Chevalier, Archibebe patigualdo chico, maçarico-de-perna-amarela, perna-amarela-pequeno
  Tringa glareola Linnaeus, 1758 -- valid -- Wood Sandpiper, Chevalier sylvain, Andarríos bastardo, maçarico-de-dorso-malhado
  Tringa guttifer (Nordmann, 1835) -- valid -- Nordmann's Greenshank, Chevalier tacheté, Archibebe moteado, perna-verde-mosqueado
  Tringa melanoleuca (J. F. Gmelin, 1789) -- valid -- Patamarilla mayor, Greater Yellowlegs, Grand Chevalier, Archibebe patigualdo grande, maçarico-grande-de-perna-amarela, perna-amarela-grande
  Tringa nebularia (Gunnerus, 1767) -- valid -- Common Greenshank, Chevalier aboyeur, Archibebe claro, perna-verde
  Tringa ochropus Linnaeus, 1758 -- valid -- Green Sandpiper, Chevalier cul-blanc, Andarríos grande, maçarico-bique-bique
  Tringa solitaria A. Wilson, 1813 -- valid -- Playero solitario, Solitary Sandpiper, Chevalier solitaire, Andarríos solitario, maçarico-solitário
  Tringa stagnatilis (Bechstein, 1803) -- valid -- Marsh Sandpiper, Chevalier stagnatile, Archibebe fino, perna-verde-fino
  Tringa totanus (Linnaeus, 1758) -- valid -- Common Redshank, Chevalier gambette, Archibebe común, maçarico-de-perna-vermelha, perna-vermelha
  Trochilidae -- valid -- Hummingbirds, oiseaux-mouches
  Trochiliformes -- invalid -- colibris, oiseaux-mouches, Hummingbirds
  Trochilus Linnaeus, 1758 -- valid
  Trochilus polytmus Linnaeus, 1758 -- valid -- Streamertail, Red-billed Streamertail
  Trochocercus Cabanis, 1850 -- valid
  Trochocercus albiventris Sjöstedt, 1893 -- invalid -- White-bellied Crested Flycatcher
  Trochocercus albonotatus Sharpe, 1891 -- invalid
  Trochocercus cyanomelas (Vieillot, 1818) -- valid -- Blue-mantled Crested Flycatcher
  Trochocercus nigromitratus (Reichenow, 1874) -- invalid -- Dusky Crested Flycatcher
  Trochocercus nitens Cassin, 1859 -- valid -- Blue-headed Crested Flycatcher
  Troglodytes Vieillot, 1809 -- valid -- Wrens
  Troglodytes aedon Vieillot, 1809 -- valid -- Chivirín saltapared, House Wren, troglodyte familier
  Troglodytes monticola Bangs, 1899 -- valid -- Santa Marta Wren
  Troglodytes ochraceus Ridgway, 1882 -- valid -- Ochraceous Wren
  Troglodytes rufociliatus Sharpe, 1882 -- valid -- Chivirín ceja rufa, Rufous-browed Wren
  Troglodytes rufulus Cabanis, 1848 -- valid -- Tepui Wren
  Troglodytes solstitialis P. L. Sclater, 1859 -- valid -- Mountain Wren
  Troglodytes tanneri C. H. Townsend, 1890 -- valid -- Chivirín de Clarión, Clarion Wren
  Troglodytes troglodytes (Linnaeus, 1758) -- valid -- Chivirín chochín, Winter Wren, troglodyte mignon
  Trogon Brisson, 1760 -- valid -- Trogons
  Trogon aurantiiventris Gould, 1856 -- invalid -- Orange-bellied Trogon
  Trogon bairdii Lawrence, 1868 -- valid -- Baird's Trogon, Trogón de Baird, Trogon de Baird
  Trogon citreolus Gould, 1835 -- valid -- Citreoline Trogon, Trogón citrino, Trogon citrin
  Trogon clathratus Salvin, 1866 -- valid -- Lattice-tailed Trogon, Trogón colibarrado, Trogon échelette
  Trogon collaris Vieillot, 1817 -- valid -- Collared Trogon, Trogón de collar, surucuá-de-coleira, Trogón acollarado, Trogon rosalba
  Trogon comptus J. T. Zimmer, 1948 -- valid -- Blue-tailed Trogon, Choco Trogon, Trogón coliazul, Trogon aux yeux blancs
  Trogon curucui Linnaeus, 1766 -- valid -- Blue-crowned Trogon, surucuá-de-barriga-vermelha, Trogón curucuí, Trogon couroucou
  Trogon elegans Gould, 1834 -- valid -- Trogon élégant, Elegant Trogon, Trogón elegante
  Trogon massena Gould, 1838 -- valid -- Slaty-tailed Trogon, Trogón cola oscura, surucuá-de-cauda-escura, Trogón grande, Trogon de Masséna
  Trogon melanocephalus Gould, 1836 -- valid -- Black-headed Trogon, Trogón cabeza negra, Trogón cabecinegro, Trogon à tête noire
  Trogon melanurus Swainson, 1838 -- valid -- Black-tailed Trogon, surucuá-de-cauda-preta, Trogón colinegro común, Trogon à queue noire
  Trogon mexicanus Swainson, 1827 -- valid -- Mountain Trogon, Trogón mexicano, surucuá-da-montanha, Trogon montagnard
  Trogon personatus Gould, 1842 -- valid -- Masked Trogon, surucuá-mascarado, Trogón enmascarado, Trogon masqué
  Trogon rufus J. F. Gmelin, 1788 -- valid -- Black-throated Trogon, surucuá-dourado, Trogón amarillo, Trogon aurore
  Trogon surrucura Vieillot, 1817 -- valid -- Surucua Trogon, surucuá-variado, Trogón surucuá meridional, Trogon surucua, Southern Surucua Trogon
  Trogon violaceus J. F. Gmelin, 1788 -- valid -- Violaceous Trogon, Trogón violáceo, Guianan Trogon, surucuá-violáceo, Trogon violacé
  Trogon viridis Linnaeus, 1766 -- valid -- White-tailed Trogon, Amazonian White-tailed Trogon, Green-backed Trogon, surucuá-de-barriga-amarela, Trogón dorsiverde, Trogon à queue blanche
  Trogonidae -- valid -- Trogons
  Trogoniformes -- valid -- Trogons
  Trugon G. R. Gray, 1849 -- valid
  Trugon terrestris G. R. Gray, 1849 -- valid -- Thick-billed Ground Pigeon
  Tryngites Cabanis, 1857 -- invalid -- Buff-breasted Sandpipers
  Tryngites subruficollis (Vieillot, 1819) -- invalid -- Playero leonado, Buff-breasted Sandpiper, Bécasseau roussâtre
  Turacoena Bonaparte, 1854 -- valid
  Turacoena manadensis (Quoy & Gaimard, 1832) -- valid -- White-faced Dove, White-faced Cuckoo-Dove
  Turacoena modesta (Temminck, 1835) -- valid -- Black Dove, Black Cuckoo-Dove
  Turdoides Cretzschmar, 1826 -- valid
  Turdoides affinis (Jerdon, 1845) -- valid -- Yellow-billed Babbler
  Turdoides altirostris (Hartert, 1909) -- valid -- Iraq Babbler
  Turdoides aylmeri (Shelley, 1885) -- valid -- Scaly Chatterer
  Turdoides bicolor (Jardine, 1831) -- valid -- Southern Pied Babbler
  Turdoides caudatus (Dumont, 1823) -- invalid
  Turdoides earlei (Blyth, 1844) -- valid -- Striated Babbler
  Turdoides fulvus (Desfontaines, 1789) -- invalid
  Turdoides gularis (Blyth, 1855) -- valid -- White-throated Babbler
  Turdoides gymnogenys (Hartlaub, 1865) -- valid -- Bare-cheeked Babbler
  Turdoides hartlaubii (Bocage, 1868) -- valid -- Hartlaub's Babbler
  Turdoides hindei (Sharpe, 1900) -- valid -- Hinde's Babbler
  Turdoides hypoleucus (Cabanis, 1878) -- invalid
  Turdoides jardineii (A. Smith, 1836) -- valid -- Arrow-marked Babbler
  Turdoides leucocephalus Cretzschmar, 1826 -- invalid
  Turdoides leucopygius (Rüppell, 1837) -- invalid
  Turdoides longirostris (Moore, 1854) -- valid -- Slender-billed Babbler
  Turdoides malcolmi (Sykes, 1832) -- valid -- Large Grey Babbler
  Turdoides melanops (Hartlaub, 1867) -- valid -- Black-faced Babbler
  Turdoides nipalensis (Hodgson, 1836) -- valid -- Spiny Babbler
  Turdoides plebejus (Cretzschmar, 1828) -- valid -- Brown Babbler
  Turdoides reinwardtii (Swainson, 1831) -- valid -- Blackcap Babbler
  Turdoides rubiginosus (Rüppell, 1845) -- invalid
  Turdoides rufescens (Blyth, 1847) -- valid -- Orange-billed Babbler
  Turdoides sharpei (Reichenow, 1891) -- valid -- Black-lored Babbler
  Turdoides squamiceps (Cretzschmar, 1827) -- valid -- Arabian Babbler
  Turdoides squamulatus (Shelley, 1884) -- invalid
  Turdoides striatus (Dumont, 1823) -- invalid
  Turdoides subrufus (Jerdon, 1839) -- invalid
  Turdoides tenebrosus (Hartlaub, 1883) -- invalid
  Turdus Linnaeus, 1758 -- valid -- Robins
  Turdus albicollis Vieillot, 1818 -- valid -- White-necked Thrush
  Turdus albocinctus Royle, 1840 -- valid -- White-collared Blackbird
  Turdus amaurochalinus Cabanis, 1850 -- valid -- Creamy-bellied Thrush
  Turdus assimilis Cabanis, 1850 -- valid -- Mirlo garganta blanca, White-throated Robin, White-throated Thrush
  Turdus aurantius Gmelin, 1789 -- valid -- White-chinned Thrush
  Turdus bewsheri E. Newton, 1877 -- valid -- Comoros Thrush
  Turdus boulboul (Latham, 1790) -- valid -- Grey-winged Blackbird
  Turdus cardis Temminck, 1831 -- valid -- Japanese Thrush
  Turdus celaenops Stejneger, 1887 -- valid -- Izu Thrush
  Turdus chiguanco Orbigny & Lafresnaye, 1837 -- valid -- Chiguanco Thrush
  Turdus chrysolaus Temminck, 1832 -- valid -- Brown-headed Thrush
  Turdus dissimilis Blyth, 1847 -- valid -- Black-breasted Thrush
  Turdus falcklandii Quoy & Gaimard, 1824 -- valid -- Austral Thrush
  Turdus feae (Salvadori, 1887) -- valid -- Grey-sided Thrush
  Turdus fulviventris P. L. Sclater, 1858 -- valid -- Chestnut-bellied Thrush
  Turdus fumigatus Lichtenstein, 1823 -- valid -- Cocoa Thrush
  Turdus fuscater Orbigny & Lafresnaye, 1837 -- valid -- Great Thrush
  Turdus grayi Bonaparte, 1838 -- valid -- Clay-colored Robin, Mirlo pardo, Clay-colored Thrush
  Turdus graysoni (Ridgway, 1882) -- invalid -- Mirlo nayarita, Grayson's Thrush
  Turdus haplochrous Todd, 1931 -- valid -- Unicolored Thrush
  Turdus hauxwelli Lawrence, 1869 -- valid -- Hauxwell's Thrush
  Turdus hortulorum P. L. Sclater, 1863 -- valid -- Grey-backed Thrush
  Turdus ignobilis P. L. Sclater, 1858 -- valid -- Black-billed Thrush
  Turdus iliacus Linnaeus, 1758 -- valid
  Turdus infuscatus (Lafresnaye, 1844) -- valid -- Mirlo negro, Black Thrush, Black Robin
  Turdus jamaicensis Gmelin, 1789 -- valid -- White-eyed Thrush
  Turdus kessleri (Prjevalsky, 1876) -- valid -- Kessler's Thrush
  Turdus lawrencii Coues, 1880 -- valid -- Lawrence's Thrush
  Turdus leucomelas Vieillot, 1818 -- valid -- Pale-breasted Thrush
  Turdus libonyanus (A. Smith, 1836) -- invalid -- Kurrichane Thrush
  Turdus maculirostris Berlepsch & Taczanowski, 1884 -- valid -- Ecuadorian Thrush
  Turdus maranonicus Taczanowski, 1880 -- valid -- Maranon Thrush
  Turdus menachensis Ogilvie-Grant, 1913 -- valid -- Yemen Thrush
  Turdus merula Linnaeus, 1758 -- valid -- Eurasian Blackbird, merle noir, Common Blackbird
  Turdus migratorius Linnaeus, 1766 -- valid -- Mirlo primavera, American Robin, merle d'Amérique
  Turdus mupinensis Laubmann, 1920 -- valid -- Chinese Thrush
  Turdus naumanni Temminck, 1820 -- valid -- Dusky Thrush, Naumann's Thrush
  Turdus nigrescens Cabanis, 1861 -- valid -- Sooty Thrush, Sooty Robin
  Turdus nigriceps Cabanis, 1874 -- valid -- Andean Slaty Thrush
  Turdus nudigenis Lafresnaye, 1848 -- valid -- American Bare-eyed Thrush, Bare-eyed Robin
  Turdus obscurus Gmelin, 1789 -- valid -- Eyebrowed Thrush
  Turdus obsoletus Lawrence, 1862 -- valid -- Pale-vented Thrush
  Turdus olivaceofuscus Hartlaub, 1852 -- valid -- Gulf of Guinea Thrush
  Turdus olivaceus Linnaeus, 1766 -- valid -- Olive Thrush
  Turdus olivater (Lafresnaye, 1848) -- valid -- Black-hooded Thrush
  Turdus pallidus Gmelin, 1789 -- valid -- Pale Thrush
  Turdus pelios Bonaparte, 1850 -- valid -- African Thrush
  Turdus philomelos C. L. Brehm, 1831 -- valid -- Song Thrush
  Turdus pilaris Linnaeus, 1758 -- valid -- Fieldfare, grive litorne
  Turdus plebejus Cabanis, 1861 -- valid -- Mirlo plebeyo, Mountain Robin, Mountain Thrush
  Turdus plumbeus Linnaeus, 1758 -- valid -- Red-legged Thrush
  Turdus poliocephalus Latham, 1802 -- valid -- Island Thrush
  Turdus ravidus (Cory, 1886) -- valid -- Grand Cayman Thrush
  Turdus reevei Lawrence, 1869 -- valid -- Plumbeous-backed Thrush
  Turdus rubrocanus J. E. Gray & G. R. Gray, 1847 -- valid -- Chestnut Thrush
  Turdus ruficollis Pallas, 1776 -- valid -- Red-throated Thrush
  Turdus rufitorques Hartlaub, 1844 -- valid -- Mirlo cuello rufo, Rufous-collared Robin, Rufous-collared Thrush
  Turdus rufiventris Vieillot, 1818 -- valid -- Rufous-bellied Thrush
  Turdus rufopalliatus Lafresnaye, 1840 -- valid -- Rufous-backed Robin, Mirlo dorso rufo
  Turdus serranus Tschudi, 1844 -- valid -- Glossy-black Thrush
  Turdus subalaris (Seebohm, 1887) -- valid -- Eastern Slaty Thrush
  Turdus swalesi (Wetmore, 1927) -- valid -- La Selle Thrush
  Turdus tephronotus Cabanis, 1878 -- valid -- African Bare-eyed Thrush
  Turdus torquatus Linnaeus, 1758 -- valid -- Ring Ouzel
  Turdus unicolor Tickell, 1833 -- valid -- Tickell's Thrush
  Turdus viscivorus Linnaeus, 1758 -- valid -- Mistle Thrush
  Turnagra Lesson, 1837 -- valid
  Turnagra capensis (Sparrman, 1787) -- valid -- Piopio
  Turnicidae -- valid -- Buttonquails, Buttonquail
  Turniciformes -- invalid
  Turnix Bonnaterre, 1791 -- valid
  Turnix castanota (Gould, 1840) -- invalid
  Turnix everetti E. Hartert, 1898 -- valid -- Sumba Buttonquail, Turnix de Sumba, Torillo de Sumba, toirão-de-sumba
  Turnix hottentotta Temminck, 1815 -- invalid
  Turnix maculosa (Temminck, 1815) -- invalid
  Turnix melanogaster (Gould, 1837) -- valid -- Black-breasted Buttonquail, Turnix à poitrine noire, Torillo pechinegro, toirão-de-peito-preto
  Turnix nana (Sundevall, 1850) -- invalid
  Turnix nigricollis (J. F. Gmelin, 1789) -- valid -- Madagascan Buttonquail, Madagascar Buttonquail, Turnix de Madagascar, Torillo malgache, toirão-malgaxe
  Turnix ocellata (Scopoli, 1786) -- invalid
  Turnix olivii Robinson, 1900 -- valid -- Buff-breasted Buttonquail, Turnix de Robinson, Torillo de Robinson, toirão-de-peito-pardo
  Turnix pyrrhothorax (Gould, 1841) -- valid -- Red-chested Buttonquail, Turnix à poitrine rousse, Torillo pechirrufo, toirão-de-peito-vermelho
  Turnix suscitator (J. F. Gmelin, 1789) -- valid -- Barred Buttonquail, Turnix combattant, Torillo batallador, toirão-barrado
  Turnix sylvatica (Desfontaines, 1789) -- invalid
  Turnix tanki Blyth, 1843 -- valid -- Yellow-legged Buttonquail, Turnix indien, Torillo tanki, toirão-de-pernas-amarelas
  Turnix varia (Latham, 1801) -- invalid
  Turnix velox (Gould, 1841) -- valid -- Little Buttonquail, Petit Turnix, Torillo veloz, toirão-pequeno
  Turnix worcesteri McGregor, 1904 -- valid -- Worcester's Buttonquail, Turnix de Worcester, Torillo de Worcester, toirão-de-luzon, Luzon Buttonquail
  Turtur Boddaert, 1783 -- valid
  Turtur abyssinicus (Sharpe, 1902) -- valid -- Black-billed Wood Dove
  Turtur afer (Linnaeus, 1766) -- valid -- Blue-spotted Wood Dove
  Turtur brehmeri (Hartlaub, 1865) -- valid -- Blue-headed Wood Dove
  Turtur chalcospilos (Wagler, 1827) -- valid -- Emerald-spotted Wood Dove
  Turtur tympanistria (Temminck, 1809) -- valid -- Tambourine Dove
  Tylas Hartlaub, 1862 -- valid
  Tylas eduardi Hartlaub, 1862 -- valid -- Tylas Vanga
  Tympanuchus Gloger, 1841 -- valid -- Sharp-tailed Grouse, Prairie-Chickens
  Tympanuchus cupido (Linnaeus, 1758) -- valid -- Tétras des prairies, Gallo de las praderas grande, galo-das-pradarias-grande, Greater Prairie-Chicken, Greater Prairie Chicken
  Tympanuchus pallidicinctus (Ridgway, 1873) -- valid -- Tétras pâle, Gallo de las praderas chico, galo-das-pradarias-pequeno, Lesser Prairie-Chicken, Lesser Prairie Chicken
  Tympanuchus phasianellus (Linnaeus, 1758) -- valid -- Gallo de las praderas rabudo, tetraz-de-rabo-fino, Sharp-tailed Grouse, tétras à queue fine
  Tyranneutes P. L. Sclater & Salvin, 1881 -- valid
  Tyranneutes stolzmanni (Hellmayr, 1906) -- valid -- Dwarf Tyranneutes
  Tyranneutes virescens (Pelzeln, 1868) -- valid -- Tiny Tyranneutes
  Tyrannidae -- valid -- Tyrant Flycatchers, tyrans gobe-mouches
  Tyrannopsis Ridgway, 1905 -- valid
  Tyrannopsis sulphurea (Spix, 1825) -- valid -- Sulphury Flycatcher
  Tyrannulus Vieillot, 1816 -- valid
  Tyrannulus elatus (Latham, 1790) -- valid -- Yellow-crowned Tyrannulet
  Tyrannus Lacepede, 1799 -- valid -- Kingbirds
  Tyrannus albogularis Burmeister, 1856 -- valid -- White-throated Kingbird
  Tyrannus caudifasciatus Orbigny, 1839 -- valid -- Loggerhead Kingbird
  Tyrannus couchii S. F. Baird, 1858 -- valid -- Couch's Kingbird, Tirano silbador
  Tyrannus crassirostris Swainson, 1826 -- valid -- Thick-billed Kingbird, Tirano pico grueso
  Tyrannus cubensis Richmond, 1898 -- valid -- Giant Kingbird, Tirano cubano
  Tyrannus dominicensis (Gmelin, 1788) -- valid -- Gray Kingbird, Tirano gris, Grey Kingbird
  Tyrannus forficatus (Gmelin, 1789) -- valid -- Tirano-tijereta rosado, Scissor-tailed Flycatcher, tyran à longue queue
  Tyrannus melancholicus Vieillot, 1819 -- valid -- Tirano tropical, Tropical Kingbird
  Tyrannus niveigularis P. L. Sclater, 1860 -- valid -- Snowy-throated Kingbird
  Tyrannus savana Vieillot, 1808 -- valid -- Tirano-tijereta gris, Fork-tailed Flycatcher, tyran des savanes
  Tyrannus tyrannus (Linnaeus, 1758) -- valid -- Tirano dorso negro, Eastern Kingbird, tyran tritri
  Tyrannus verticalis Say, 1823 -- valid -- Tirano pálido, Western Kingbird, tyran de l'ouest
  Tyrannus vociferans Swainson, 1826 -- valid -- Cassin's Kingbird, Tirano gritón
  Tyto Billberg, 1828 -- valid -- Barn-Owls
  Tyto alba (Scopoli, 1769) -- valid -- Common Barn-Owl, Lechuza de campanario, Barn Owl, effraie de clochers, Western Barn Owl
  Tyto aurantia (Salvadori, 1881) -- valid -- Golden Masked Owl
  Tyto capensis (A. Smith, 1834) -- valid -- Grass Owl, African Grass Owl
  Tyto castanops (Gould, 1837) -- invalid
  Tyto glaucops (Kaup, 1852) -- valid -- Ashy-faced Owl
  Tyto inexspectata (Schlegel, 1879) -- valid -- Minahassa Masked Owl
  Tyto longimembris (Jerdon, 1839) -- valid -- Eastern Grass Owl
  Tyto manusi Rothschild & Hartert, 1914 -- valid -- Manus Masked Owl
  Tyto multipunctata Mathews, 1912 -- valid -- Lesser Sooty Owl
  Tyto nigrobrunnea Neumann, 1939 -- valid -- Taliabu Masked Owl
  Tyto novaehollandiae (Stephens, 1826) -- valid -- Australian Masked Owl
  Tyto rosenbergii (Schlegel, 1866) -- valid -- Sulawesi Masked Owl
  Tyto sororcula (P. L. Sclater, 1883) -- valid -- Moluccan Masked Owl
  Tyto soumagnei (A. Grandidier, 1878) -- valid -- Madagascar Red Owl, Red Owl
  Tyto tenebricosa (Gould, 1845) -- valid -- Greater Sooty Owl
  Tytonidae -- valid -- Barn-Owls
  Upucerthia I. Geoffroy Saint-Hilaire, 1832 -- valid
  Upucerthia albigula Hellmayr, 1932 -- valid -- White-throated Earthcreeper
  Upucerthia andaecola Orbigny & Lafresnaye, 1838 -- valid -- Rock Earthcreeper
  Upucerthia certhioides (Orbigny & Lafresnaye, 1838) -- valid -- Chaco Earthcreeper
  Upucerthia dumetaria I. Geoffroy Saint-Hilaire, 1832 -- valid -- Scaly-throated Earthcreeper
  Upucerthia harterti Berlepsch, 1892 -- valid -- Bolivian Earthcreeper
  Upucerthia jelskii (Cabanis, 1874) -- valid -- Plain-breasted Earthcreeper
  Upucerthia ruficauda (Meyen, 1834) -- invalid
  Upucerthia serrana Taczanowski, 1875 -- valid -- Striated Earthcreeper
  Upucerthia validirostris (Burmeister, 1861) -- valid -- Buff-breasted Earthcreeper
  Upupa Linnaeus, 1758 -- valid -- Hoopoes
  Upupa africana Bechstein, 1811 -- valid -- African Hoopoe, poupa-africana, Abubilla Africana, Huppe d'Afrique
  Upupa epops Linnaeus, 1758 -- valid -- poupa, poupa-eurasiática, Abubilla común, Huppe fasciée, Hoopoe, Common Hoopoe, Eurasian Hoopoe
  Upupidae -- valid -- Hoopoes
  Upupiformes -- invalid
  Uraeginthus Cabanis, 1851 -- valid -- Cordonbleus
  Uraeginthus angolensis (Linnaeus, 1758) -- valid -- Blue Waxbill
  Uraeginthus bengalus (Linnaeus, 1766) -- valid -- Red-cheeked Cordonbleu, Red-cheeked Cordon-bleu
  Uraeginthus cyanocephalus (Richmond, 1897) -- valid -- Blue-capped Cordon-bleu
  Uraeginthus granatina (Linnaeus, 1766) -- invalid
  Uraeginthus ianthinogaster Reichenow, 1879 -- valid -- Purple Grenadier
  Uragus Keyserling & J. H. Blasius, 1840 -- invalid
  Uragus sibiricus (Pallas, 1773) -- invalid -- Long-tailed Rosefinch
  Uratelornis Rothschild, 1895 -- valid
  Uratelornis chimaera Rothschild, 1895 -- valid -- Long-tailed Ground Roller, Long-tailed Ground-roller, Carraca terrestre colilarga, Brachyptérolle à longue queue
  Uria Brisson, 1760 -- valid -- Murres
  Uria aalge (Pontoppidan, 1763) -- valid -- Arao común, Common Murre, Guillemot marmette, airo, Common Guillemot
  Uria lomvia (Linnaeus, 1758) -- valid -- Thick-billed Murre, Guillemot de Brünnich, Arao de Brünnich, airo-de-freio, Brunnich's Guillemot
  Urochroa Gould, 1856 -- valid
  Urochroa bougueri (Bourcier, 1851) -- valid -- White-tailed Hillstar, Rufous-gaped Hillstar
  Urocissa Cabanis, 1850 -- valid
  Urocissa caerulea Gould, 1863 -- valid -- Taiwan Blue Magpie
  Urocissa erythrorhyncha (Boddaert, 1783) -- invalid -- Red-billed Blue Magpie
  Urocissa flavirostris (Blyth, 1846) -- valid -- Yellow-billed Blue Magpie
  Urocissa ornata (Wagler, 1829) -- valid -- Sri Lanka Blue Magpie
  Urocissa whiteheadi Ogilvie-Grant, 1899 -- valid -- White-winged Magpie
  Urocolius Bonaparte, 1854 -- valid
  Urocolius indicus (Latham, 1790) -- valid -- Red-faced Mousebird, rabo-de-junco-de-faces-vermelhas, Pájaro ratón carirrojo, Coliou quiriva
  Urocolius macrourus (Linnaeus, 1766) -- valid -- Blue-naped Mousebird, ratão, Pájaro ratón nuquiazul, Coliou huppé
  Urocynchramus Przewalski, 1876 -- valid
  Urocynchramus pylzowi Przewalski, 1876 -- valid -- Pink-tailed Rosefinch, Przevalski's Finch
  Uroglaux Mayr, 1937 -- valid
  Uroglaux dimorpha (Salvadori, 1874) -- valid -- Papuan Hawk-Owl
  Urolais Alexander, 1903 -- valid
  Urolais epichlora (Reichenow, 1892) -- invalid
  Uromyias Hellmayr, 1927 -- invalid
  Uromyias agilis (P. L. Sclater, 1856) -- invalid
  Uromyias agraphia (Chapman, 1919) -- invalid
  Uropelia Bonaparte, 1855 -- valid
  Uropelia campestris (von Spix, 1825) -- valid -- Long-tailed Ground Dove
  Uropsalis W. Miller, 1915 -- valid
  Uropsalis lyra (Bonaparte, 1850) -- valid -- Lyre-tailed Nightjar
  Uropsalis segmentata (Cassin, 1849) -- valid -- Swallow-tailed Nightjar
  Uropsila P. L. Sclater & Salvin, 1873 -- valid
  Uropsila leucogastra (Gould, 1837) -- valid -- Chivirín vientre blanco, White-bellied Wren
  Urosphena Swinhoe, 1877 -- valid
  Urosphena squameiceps (Swinhoe, 1863) -- valid -- Asian Stubtail
  Urosphena subulata (Sharpe, 1884) -- valid -- Timor Stubtail
  Urosphena whiteheadi (Sharpe, 1888) -- valid -- Bornean Stubtail
  Urosticte Gould, 1853 -- valid
  Urosticte benjamini (Bourcier, 1851) -- valid -- Purple-bibbed Whitetip
  Urosticte ruficrissa Lawrence, 1864 -- valid -- Rufous-vented Whitetip
  Urothraupis Taczanowski & Berlepsch, 1885 -- valid
  Urothraupis stolzmanni Taczanowski & Berlepsch, 1885 -- valid -- Black-backed Bush Tanager, Urotangara de Stolzmann, Tangara de Stolzmann, Stolzmann's Tanager
  Urotriorchis Sharpe, 1874 -- valid
  Urotriorchis macrourus (Hartlaub, 1855) -- valid -- Long-tailed Hawk
  Vanellus Brisson, 1760 -- valid -- Lapwings
  Vanellus albiceps Gould, 1834 -- valid -- White-crowned Lapwing, Vanneau à tête blanche, Avefría coroniblanca, abibe-de-coroa-branca, White-headed Lapwing
  Vanellus armatus (Burchell, 1822) -- valid -- Blacksmith Lapwing, Vanneau armé, Avefría armada, abibe-preto-e-branco, Blacksmith Plover
  Vanellus cayanus (Latham, 1790) -- invalid -- Pied Lapwing
  Vanellus chilensis (Molina, 1782) -- valid -- Southern Lapwing, Vanneau téro, Avefría tero, quero-quero
  Vanellus cinereus (Blyth, 1842) -- valid -- Grey-headed Lapwing, Vanneau à tête grise, Avefría ceniza, abibe-de-cabeça-cinzenta, Gray-headed Lapwing
  Vanellus coronatus (Boddaert, 1783) -- valid -- Crowned Lapwing, Vanneau couronné, Avefría coronada, abibe-coroado, Crowned Plover
  Vanellus crassirostris (Hartlaub, 1855) -- valid -- Long-toed Lapwing, Vanneau à ailes blanches, Avefría palustre, abibe-de-faces-brancas
  Vanellus duvaucelii (R. Lesson, 1826) -- valid -- River Lapwing, Vanneau pie, Avefría fluvial, abibe-ribeirinho
  Vanellus gregarius (Pallas, 1771) -- valid -- Sociable Lapwing, Vanneau sociable, Avefría sociable, abibe-sociável, Sociable Plover
  Vanellus indicus (Boddaert, 1783) -- valid -- Red-wattled Lapwing, Vanneau indien, Avefría india, abibe-do-índico
  Vanellus leucurus (M. H. K. Lichtenstein, 1823) -- valid -- White-tailed Lapwing, Vanneau à queue blanche, Avefría coliblanca, abibe-de-cauda-branca
  Vanellus lugubris (R. Lesson, 1826) -- valid -- Senegal Lapwing, Vanneau terne, Avefría lúgubre, abibe-d'asa-negra-pequeno
  Vanellus macropterus (Wagler, 1827) -- valid -- Javan Lapwing, Vanneau hirondelle, Avefría javanesa, abibe-preto, Javan Wattled Lapwing
  Vanellus malabaricus (Boddaert, 1783) -- valid -- Yellow-wattled Lapwing, Vanneau de Malabar, Avefría malabar, abibe-de-barbilhão-amarelo
  Vanellus melanocephalus (Rüppell, 1845) -- valid -- Spot-breasted Lapwing, Vanneau d'Abyssinie, Avefría pechipinta, abibe-de-peito-pintado
  Vanellus melanopterus (Cretzschmar, 1829) -- valid -- Black-winged Lapwing, Vanneau à ailes noires, Avefría lugubroide, abibe-d'asa-negra
  Vanellus miles (Boddaert, 1783) -- valid -- Masked Lapwing, Vanneau soldat, Avefría militar norteña, abibe-mascarado
  Vanellus resplendens (Tschudi, 1843) -- valid -- Andean Lapwing, Vanneau des Andes, Avefría andina, quero-quero-andino
  Vanellus senegallus (Linnaeus, 1766) -- valid -- African Wattled Lapwing, Vanneau du Sénégal, Avefría senegalesa, abibe-carunculado, Wattled Lapwing
  Vanellus spinosus (Linnaeus, 1758) -- valid -- Spur-winged Lapwing, Vanneau à éperons, Avefría espinosa, tui-tui-ferrão
  Vanellus superciliosus (Reichenow, 1886) -- valid -- Brown-chested Lapwing, Vanneau à poitrine châtaine, Avefría pechirrufa, abibe-de-peito-marrom
  Vanellus tectus (Boddaert, 1783) -- valid -- Black-headed Lapwing, Vanneau à tête noire, Avefría coletuda, abibe-de-cabeça-preta
  Vanellus tricolor (Vieillot, 1818) -- valid -- Banded Lapwing, Vanneau tricolore, Avefría tricolor, abibe-tricolor, Black-breasted Lapwing
  Vanellus vanellus (Linnaeus, 1758) -- valid -- Northern Lapwing, Vanneau huppé, Avefría europea, abibe
  Vanga Vieillot, 1816 -- valid
  Vanga curvirostris (Linnaeus, 1766) -- valid -- Hook-billed Vanga
  Veniliornis Bonaparte, 1854 -- valid
  Veniliornis affinis (Swainson, 1821) -- valid -- Red-stained Woodpecker
  Veniliornis callonotus (Waterhouse, 1841) -- valid -- Scarlet-backed Woodpecker
  Veniliornis cassini (Malherbe, 1862) -- valid -- Golden-collared Woodpecker
  Veniliornis chocoensis Todd, 1919 -- valid -- Choco Woodpecker
  Veniliornis dignus (P. L. Sclater & Salvin, 1877) -- valid -- Yellow-vented Woodpecker
  Veniliornis frontalis (Cabanis, 1883) -- valid -- Dot-fronted Woodpecker
  Veniliornis fumigatus (d'Orbigny, 1840) -- invalid -- Carpintero café, Smoky-brown Woodpecker
  Veniliornis kirkii (Malherbe, 1845) -- valid -- Red-rumped Woodpecker
  Veniliornis maculifrons (von Spix, 1824) -- valid -- Yellow-eared Woodpecker
  Veniliornis nigriceps (d'Orbigny, 1841) -- valid -- Bar-bellied Woodpecker
  Veniliornis passerinus (Linnaeus, 1766) -- valid -- Little Woodpecker
  Veniliornis sanguineus (A. A. H. Lichtenstein, 1793) -- valid -- Blood-colored Woodpecker
  Veniliornis spilogaster (Wagler, 1827) -- valid -- White-spotted Woodpecker
  Vermivora Swainson, 1827 -- valid -- Vermivoras
  Vermivora bachmanii (Audubon, 1833) -- valid -- Bachman's Warbler, Bachman's Wood Warbler, Paruline de Bachman
  Vermivora celata (Say, 1822) -- invalid -- Chipe corona naranja, Orange-crowned Warbler, paruline verdâtre
  Vermivora chrysoptera (Linnaeus, 1766) -- valid -- Chipe ala dorada, Paruline à ailes dorées, Golden-winged Warbler
  Vermivora crissalis (Salvin & Godman, 1889) -- invalid -- Colima Warbler, Chipe crisal
  Vermivora luciae (J. G. Cooper, 1861) -- invalid -- Lucy's Warbler, Chipe rabadilla rufa
  Vermivora peregrina (A. Wilson, 1811) -- invalid -- Chipe peregrino, Tennessee Warbler, paruline obscure
  Vermivora pinus (Linnaeus, 1766) -- invalid -- Chipe ala azul, Blue-winged Warbler, paruline à ailes bleues
  Vermivora ruficapilla (A. Wilson, 1811) -- invalid -- Chipe de coronilla, Nashville Warbler, paruline à joues grises
  Vermivora virginiae (S. F. Baird, 1860) -- invalid -- Chipe de Virginia, Virginia's Warbler
  Vestiaria Jarocki, 1821 -- valid -- 'I'iwis
  Vestiaria coccinea (G. Forster, 1780) -- valid -- 'I'iwi, Iiwi
  Vidua Cuvier, 1816 -- valid -- Indigo-birds, Whydahs
  Vidua chalybeata (Statius Muller, 1776) -- valid -- Village Indigobird
  Vidua codringtoni (Neave, 1907) -- valid -- Zambezi Indigobird
  Vidua fischeri (Reichenow, 1882) -- valid -- Straw-tailed Whydah
  Vidua funerea (Tarragon, 1847) -- valid -- Dusky Indigobird
  Vidua hypocherina J. Verreaux & E. Verreaux, 1856 -- valid -- Steel-blue Whydah
  Vidua interjecta (Grote, 1922) -- valid -- Exclamatory Paradise Whydah
  Vidua larvaticola Payne, 1982 -- valid -- Barka Indigobird
  Vidua macroura (Pallas, 1764) -- valid -- Pin-tailed Whydah
  Vidua obtusa (Chapin, 1922) -- valid -- Broad-tailed Paradise Whydah
  Vidua orientalis Heuglin, 1870 -- valid -- Sahel Paradise Whydah
  Vidua paradisaea (Linnaeus, 1758) -- valid -- Long-tailed Paradise Whydah
  Vidua purpurascens (Reichenow, 1883) -- valid -- Purple Indigobird
  Vidua raricola Payne, 1982 -- valid -- Jambandu Indigobird
  Vidua regia (Linnaeus, 1766) -- valid -- Shaft-tailed Whydah
  Vidua togoensis (Grote, 1923) -- valid -- Togo Paradise Whydah
  Vidua wilsoni (Hartert, 1901) -- valid -- Wilson's Indigobird
  Vini R. Lesson, 1833 -- valid -- Vini Lories
  Vini australis (J. F. Gmelin, 1788) -- valid -- Blue-crowned Lorikeet, Blue-crowned Lory, Lori fringillaire, Lori de Samoa
  Vini kuhlii (Vigors, 1824) -- valid -- Kuhl's Lorikeet, Lori de Kuhl, Lori de Rimatara, lóris-de-kuhl
  Vini peruviana (P. L. S. Müller, 1776) -- valid -- Violet Lorikeet, Blue Lorikeet, Lori nonnette, Lori monjita
  Vini stepheni (North, 1908) -- valid -- Stephen's Lorikeet, Lori de Stephen, Lori de Stephen
  Vini ultramarina (Kuhl, 1820) -- valid -- Ultramarine Lorikeet, Lori ultramarin, Lori ultramar
  Vireo Vieillot, 1808 -- valid -- Vireos
  Vireo altiloquus (Vieillot, 1808) -- valid -- Black-whiskered Vireo, Vireo bigotudo
  Vireo atricapillus Woodhouse, 1852 -- invalid -- Vireo gorra negra
  Vireo bairdi Ridgway, 1885 -- valid -- Vireo de Cozumel, Cozumel Vireo
  Vireo bellii Audubon, 1844 -- valid -- Bell's Vireo, Vireo de Bell
  Vireo brevipennis (P. L. Sclater, 1858) -- valid -- Vireo pizarra, Slaty Vireo
  Vireo caribaeus Bond & Meyer de Schauensee, 1942 -- valid -- San Andres Vireo, St. Andrew Vireo
  Vireo carmioli S. F. Baird, 1866 -- valid -- Yellow-winged Vireo
  Vireo cassinii Xantus de Vesey, 1858 -- valid -- Vireo de Cassin, Cassin's Vireo
  Vireo crassirostris (H. Bryant, 1859) -- valid -- Thick-billed Vireo
  Vireo flavifrons Vieillot, 1808 -- valid -- Vireo garganta amarilla, Yellow-throated Vireo, viréo à gorge jaune
  Vireo flavoviridis (Cassin, 1851) -- valid -- Vireo verdeamarillo, Yellow-green Vireo
  Vireo gilvus (Vieillot, 1808) -- valid -- Vireo gorjeador, Warbling Vireo, viréo mélodieux
  Vireo gracilirostris Sharpe, 1890 -- valid -- Noronha Vireo
  Vireo griseus (Boddaert, 1783) -- valid -- Vireo ojo blanco, White-eyed Vireo, viréo aux yeux blancs
  Vireo gundlachii Lembeye, 1850 -- valid -- Cuban Vireo
  Vireo huttoni Cassin, 1851 -- valid -- Hutton's Vireo, Vireo reyezuelo
  Vireo hypochryseus P. L. Sclater, 1863 -- valid -- Vireo dorado, Golden Vireo
  Vireo latimeri S. F. Baird, 1866 -- valid -- Puerto Rican Vireo
  Vireo leucophrys (Lafresnaye, 1844) -- valid -- Vireo gorra parda, Brown-capped Vireo
  Vireo magister (S. F. Baird, 1871) -- valid -- Vireo yucateco, Yucatan Vireo
  Vireo masteri P. G. W. Salaman & F. G. Stiles, 1996 -- valid -- Choco Vireo
  Vireo modestus P. L. Sclater, 1861 -- valid -- Jamaican Vireo
  Vireo nanus (Lawrence, 1875) -- valid -- Flat-billed Vireo
  Vireo nelsoni Bond, 1936 -- valid -- Vireo enano, Dwarf Vireo
  Vireo olivaceus (Linnaeus, 1766) -- valid -- Vireo ojo rojo, Red-eyed Vireo, viréo aux yeux rouges
  Vireo osburni (P. L. Sclater, 1861) -- valid -- Blue Mountain Vireo
  Vireo pallens Salvin, 1863 -- valid -- Vireo manglero, Mangrove Vireo
  Vireo philadelphicus (Cassin, 1851) -- valid -- Vireo de Filadelfia, Philadelphia Vireo, viréo de Philadelphie
  Vireo plumbeus Coues, 1866 -- valid -- Vireo plomizo, Plumbeous Vireo
  Vireo solitarius (A. Wilson, 1810) -- valid -- Solitary Vireo, Vireo anteojillo, Blue-headed Vireo, viréo à tête bleue
  Vireo swainsonii S. F. Baird, 1858 -- invalid
  Vireo vicinior Coues, 1866 -- valid -- Gray Vireo, Vireo gris, Grey Vireo
  Vireolanius Bonaparte, 1850 -- valid
  Vireolanius eximius S. F. Baird, 1866 -- valid -- Yellow-browed Shrike-Vireo
  Vireolanius leucotis (Swainson, 1838) -- valid -- Slaty-capped Shrike-Vireo
  Vireolanius melitophrys Bonaparte, 1850 -- valid -- Vireón pecho castaño, Chestnut-sided Shrike-Vireo
  Vireolanius pulchellus P. L. Sclater & Salvin, 1859 -- valid -- Vireón esmeralda, Green Shrike-Vireo
  Vireonidae -- valid -- Greenlets, Vireos
  Volatinia Reichenbach, 1850 -- valid
  Volatinia jacarina (Linnaeus, 1766) -- valid -- Semillero brincador, Blue-black Grassquit, Jacarini noir, Semillero volatinero, tiziu
  Vultur Linnaeus, 1758 -- valid
  Vultur gryphus Linnaeus, 1758 -- valid -- Andean Condor
  Wetmorethraupis Lowery & O'Neill, 1964 -- valid
  Wetmorethraupis sterrhopteron Lowery & O'Neill, 1964 -- valid -- Orange-throated Tanager, Tangara à gorge orangée, Tangara golinaranja
  Wilsonia Bonaparte, 1838 -- invalid -- Hooded Warblers
  Wilsonia canadensis (Linnaeus, 1766) -- invalid -- Chipe de collar, Canada Warbler, paruline du Canada
  Wilsonia citrina (Boddaert, 1783) -- invalid -- Chipe encapuchado, Hooded Warbler, paruline à capuchon
  Wilsonia pusilla (A. Wilson, 1811) -- invalid -- Chipe corona negra, Wilson's Warbler, paruline à calotte noire
  Woodfordia North, 1906 -- valid
  Woodfordia lacertosa (Murphy & Mathews, 1929) -- valid -- Sanford's White-eye
  Woodfordia superciliosa North, 1906 -- valid -- Bare-eyed White-eye
  Xanthocephalus Bonaparte, 1850 -- valid -- Yellow-headed Blackbirds
  Xanthocephalus xanthocephalus (Bonaparte, 1826) -- valid -- Yellow-headed Blackbird, Yellow-headed Blackbird, carouge à tête jaune
  Xanthomyza Swainson, 1837 -- invalid
  Xanthomyza phrygia (Shaw, 1794) -- invalid -- Regent Honeyeater
  Xanthotis Reichenbach, 1852 -- valid
  Xanthotis flaviventer (R. Lesson, 1828) -- valid -- Tawny-breasted Honeyeater, Méliphage à ventre fauve, Mielero ventrihabano
  Xanthotis macleayana (E. P. Ramsay, 1875) -- invalid
  Xanthotis polygramma (G. R. Gray, 1862) -- invalid
  Xanthotis provocator (E. L. Layard, 1875) -- invalid -- Kadavu Honeyeater
  Xema Leach, 1819 -- valid
  Xema sabini (Sabine, 1819) -- valid -- Gaviota cola hendida, Sabine's Gull, Mouette de Sabine, Gaviota de Sabine, gaivota-de-sabine
  Xenerpestes Berlepsch, 1886 -- valid
  Xenerpestes minlosi Berlepsch, 1886 -- valid -- Double-banded Graytail, Double-banded Greytail
  Xenerpestes singularis (Taczanowski & Berlepsch, 1885) -- valid -- Equatorial Greytail
  Xenicus G. R. Gray, 1855 -- valid
  Xenicus gilviventris Pelzeln, 1867 -- valid -- New Zealand Rockwren
  Xenicus longipes (Gmelin, 1789) -- valid -- Bushwren
  Xenicus lyalli (Rothschild, 1894) -- valid
  Xenocopsychus Hartert, 1907 -- valid
  Xenocopsychus ansorgei Hartert, 1907 -- valid -- Angola Cave Chat
  Xenodacnis Cabanis, 1873 -- valid
  Xenodacnis parina Cabanis, 1873 -- valid -- Tit-like Dacnis, Xénodacnis mésange, Dacnis andino sureño
  Xenoglaux O'Neill & G. R. Graves, 1977 -- valid
  Xenoglaux loweryi O'Neill & G. R. Graves, 1977 -- valid -- Long-whiskered Owlet
  Xenoligea Bond, 1967 -- valid
  Xenoligea montana (Chapman, 1917) -- valid -- White-winged Warbler, Paruline quatre-yeux
  Xenoperdix Dinesen, Lehmberg, Svendsen, Hansen & Fjeldså, 1994 -- valid -- Forest Partridges
  Xenoperdix udzungwensis Dinesen, Lehmberg, Svendsen, Hansen & Fjeldså, 1994 -- valid -- Xénoperdrix de Tanzanie, Perdiz de las Udzungwa, perdiz-da-floresta, Udzungwa Partridge, Udzungwa Forest-partridge, Udzungwa Forest Partridge
  Xenopipo Cabanis, 1847 -- valid
  Xenopipo atronitens Cabanis, 1847 -- valid -- Black Manakin
  Xenopirostris Bonaparte, 1850 -- valid
  Xenopirostris damii Schlegel, 1865 -- valid -- Van Dam's Vanga
  Xenopirostris polleni (Schlegel, 1868) -- valid -- Pollen's Vanga
  Xenopirostris xenopirostris (Lafresnaye, 1850) -- valid -- Lafresnaye's Vanga
  Xenops Illiger, 1811 -- valid
  Xenops milleri (Chapman, 1914) -- valid -- Rufous-tailed Xenops
  Xenops minutus (Sparrman, 1788) -- valid -- Plain Xenops, Picolezna liso
  Xenops rutilans Temminck, 1821 -- valid -- Streaked Xenops
  Xenops tenuirostris Pelzeln, 1859 -- valid -- Slender-billed Xenops
  Xenopsaris Ridgway, 1891 -- valid
  Xenopsaris albinucha (Burmeister, 1869) -- valid -- White-naped Xenopsaris
  Xenornis Chapman, 1924 -- valid
  Xenornis setifrons Chapman, 1924 -- valid -- Spiny-faced Antshrike, Speckled Antshrike
  Xenospingus Cabanis, 1867 -- valid
  Xenospingus concolor (d'Orbigny & Lafresnaye, 1837) -- valid -- Slender-billed Finch, Xénospingue uniforme, Yal picofino
  Xenospiza Bangs, 1931 -- valid
  Xenospiza baileyi Bangs, 1931 -- valid -- Gorrión serrano, Sierra Madre Sparrow, Bruant des sierras, Chingolo serrano
  Xenotriccus Dwight & Griscom, 1927 -- valid
  Xenotriccus callizonus Dwight & Griscom, 1927 -- valid -- Belted Flycatcher, Mosquero fajado
  Xenotriccus mexicanus (Zimmer, 1938) -- valid -- Pileated Flycatcher, Mosquero del Balsas
  Xenus Kaup, 1829 -- valid -- Terek Sandpipers
  Xenus cinereus (Güldenstädt, 1775) -- valid -- Terek Sandpiper, Chevalier bargette, Andarríos del Terek, maçarico-tereque
  Xiphidiopicus Bonaparte, 1854 -- valid
  Xiphidiopicus percussus (Temminck, 1826) -- valid -- Cuban Green Woodpecker
  Xiphirhynchus Blyth, 1842 -- invalid
  Xiphirhynchus superciliaris Blyth, 1842 -- invalid -- Slender-billed Scimitar Babbler
  Xiphocolaptes Lesson, 1840 -- valid
  Xiphocolaptes albicollis (Vieillot, 1818) -- valid -- White-throated Woodcreeper
  Xiphocolaptes falcirostris (Spix, 1824) -- valid -- Moustached Woodcreeper
  Xiphocolaptes major (Vieillot, 1818) -- valid -- Great Rufous Woodcreeper
  Xiphocolaptes promeropirhynchus (Lesson, 1840) -- valid -- Strong-billed Woodcreeper
  Xipholena Gloger, 1841 -- valid
  Xipholena atropurpurea (Wied-Neuwied, 1820) -- valid -- White-winged Cotinga
  Xipholena lamellipennis (Lafresnaye, 1839) -- valid -- White-tailed Cotinga
  Xipholena punicea (Pallas, 1764) -- valid -- Pompadour Cotinga
  Xiphorhynchus Swainson, 1827 -- valid
  Xiphorhynchus elegans (Pelzeln, 1868) -- valid -- Elegant Woodcreeper
  Xiphorhynchus erythropygius (P. L. Sclater, 1860) -- valid -- Spotted Woodcreeper
  Xiphorhynchus eytoni (P. L. Sclater, 1854) -- invalid
  Xiphorhynchus flavigaster Swainson, 1827 -- valid -- Ivory-billed Woodcreeper, Trepatroncos bigotudo
  Xiphorhynchus guttatus (Lichtenstein, 1820) -- valid -- Buff-throated Woodcreeper
  Xiphorhynchus lachrymosus (Lawrence, 1862) -- valid -- Black-striped Woodcreeper
  Xiphorhynchus necopinus (Zimmer, 1934) -- valid
  Xiphorhynchus obsoletus (Lichtenstein, 1820) -- valid -- Striped Woodcreeper
  Xiphorhynchus ocellatus (Spix, 1824) -- valid -- Ocellated Woodcreeper
  Xiphorhynchus pardalotus (Vieillot, 1818) -- valid -- Chestnut-rumped Woodcreeper
  Xiphorhynchus picus (Gmelin, 1788) -- valid -- Straight-billed Woodcreeper
  Xiphorhynchus spixii (Lesson, 1830) -- valid -- Spix's Woodcreeper
  Xiphorhynchus susurrans (Jardine, 1847) -- valid -- Cocoa Woodcreeper
  Xiphorhynchus triangularis (Lafresnaye, 1842) -- valid -- Olive-backed Woodcreeper
  Xolmis Boie, 1826 -- valid
  Xolmis cinerea (Vieillot, 1816) -- invalid
  Xolmis coronata (Vieillot, 1823) -- invalid
  Xolmis irupero (Vieillot, 1823) -- valid -- White Monjita
  Xolmis pyrope (Kittlitz, 1830) -- valid -- Fire-eyed Diucon
  Xolmis rubetra (Burmeister, 1860) -- valid -- Rusty-backed Monjita
  Xolmis salinarum Nores & Yzurieta, 1979 -- invalid
  Xolmis velata (Lichtenstein, 1823) -- invalid
  Yuhina Hodgson, 1836 -- valid
  Yuhina bakeri Rothschild, 1926 -- valid -- White-naped Yuhina
  Yuhina brunneiceps Ogilvie-Grant, 1906 -- valid -- Taiwan Yuhina
  Yuhina castaniceps (Moore, 1854) -- valid -- Striated Yuhina
  Yuhina diademata J. Verreaux, 1869 -- valid -- White-collared Yuhina
  Yuhina everetti (Sharpe, 1887) -- valid -- Chestnut-crested Yuhina
  Yuhina flavicollis Hodgson, 1836 -- valid -- Whiskered Yuhina
  Yuhina gularis Hodgson, 1836 -- valid -- Stripe-throated Yuhina
  Yuhina humilis (Hume, 1877) -- valid -- Burmese Yuhina
  Yuhina nigrimenta Blyth, 1845 -- valid -- Black-chinned Yuhina
  Yuhina occipitalis Hodgson, 1836 -- valid -- Rufous-vented Yuhina
  Yuhina zantholeuca (Blyth, 1844) -- invalid
  Zaratornis Koepcke, 1954 -- valid
  Zaratornis stresemanni Koepcke, 1954 -- valid -- White-cheeked Cotinga
  Zavattariornis Moltoni, 1938 -- valid
  Zavattariornis stresemanni Moltoni, 1938 -- valid -- Stresemann's Bush Crow
  Zebrilus Bonaparte, 1855 -- valid
  Zebrilus undulatus (Gmelin, 1789) -- valid -- Zigzag Heron
  Zeledonia Ridgway, 1889 -- valid
  Zeledonia coronata Ridgway, 1889 -- valid -- Wrenthrush, Paruline de Zeledon
  Zenaida Bonaparte, 1838 -- valid -- Zenaida Doves
  Zenaida asiatica (Linnaeus, 1758) -- valid -- Paloma ala blanca, White-winged Dove, tourterelle à ailes blanches
  Zenaida auriculata (Des Murs, 1847) -- valid -- Eared Dove
  Zenaida aurita (Temminck, 1809) -- valid -- Zenaida Dove, Paloma aurita
  Zenaida galapagoensis Gould, 1841 -- valid -- Galapagos Dove
  Zenaida graysoni (Lawrence, 1871) -- valid -- Paloma de Socorro, Socorro Dove
  Zenaida macroura (Linnaeus, 1758) -- valid -- Paloma huilota, Mourning Dove, tourterelle triste
  Zimmerius Traylor, 1977 -- valid
  Zimmerius bolivianus (Orbigny, 1840) -- valid -- Bolivian Tyrannulet
  Zimmerius chrysops (P. L. Sclater, 1859) -- valid -- Golden-faced Tyrannulet
  Zimmerius cinereicapillus (Cabanis, 1873) -- invalid
  Zimmerius gracilipes (P. L. Sclater & Salvin, 1868) -- valid -- Slender-footed Tyrannulet
  Zimmerius improbus (P. L. Sclater & Salvin, 1871) -- invalid
  Zimmerius vilissimus (P. L. Sclater & Salvin, 1859) -- valid -- Paltry Tyrannulet, Mosquero ceja gris
  Zimmerius viridiflavus (Tschudi, 1844) -- valid -- Peruvian Tyrannulet
  Zonerodius Salvadori, 1882 -- valid
  Zonerodius heliosylus (Lesson & Garnot, 1828) -- valid -- Forest Bittern
  Zonotrichia Swainson, 1832 -- valid -- Crowned Sparrows
  Zonotrichia albicollis (J. F. Gmelin, 1789) -- valid -- Chingolo gorjiblanco, chingolito, Gorrión garganta blanca, White-throated Sparrow, bruant à gorge blanche
  Zonotrichia atricapilla (J. F. Gmelin, 1789) -- valid -- Bruant à couronne dorée, Chingolo coronidorado, tico-tico-coroa-dourada, Golden-crowned Sparrow, Gorrión corona dorada
  Zonotrichia capensis (P. L. S. Müller, 1776) -- valid -- Gorrión chingolo, Rufous-collared Sparrow, Bruant chingolo, Chingolo común, tico-tico
  Zonotrichia leucophrys (J. R. Forster, 1772) -- valid -- Chingolo coroniblanco, tico-tico-coroado, White-crowned Sparrow, bruant à couronne blanche, Gorrión corona blanca
  Zonotrichia querula (Nuttall, 1840) -- valid -- Chingolo de Harris, Harris' Sparrow, Harris's Sparrow, bruant à face noire
  Zoonavena Mathews, 1918 -- valid
  Zoonavena grandidieri (J. Verreaux, 1867) -- valid -- Madagascar Spinetail, Madagascan Spinetail
  Zoonavena sylvatica (Tickell, 1846) -- valid -- White-rumped Spinetail
  Zoonavena thomensis (Hartert, 1900) -- valid -- Sao Tome Spinetail
  Zoothera Vigors, 1832 -- valid
  Zoothera andromedae (Temminck, 1826) -- valid -- Sunda Thrush
  Zoothera cameronensis (Sharpe, 1905) -- invalid
  Zoothera cinerea (Bourns & Worcester, 1894) -- invalid -- Ashy Thrush
  Zoothera citrina (Latham, 1790) -- invalid -- Orange-headed Thrush
  Zoothera crossleyi (Sharpe, 1871) -- invalid -- Crossley's Ground Thrush
  Zoothera dauma (Latham, 1790) -- valid -- Scaly Thrush
  Zoothera dixoni (Seebohm, 1881) -- valid -- Long-tailed Thrush
  Zoothera dohertyi (Hartert, 1896) -- invalid -- Chestnut-backed Thrush
  Zoothera dumasi (Rothschild, 1899) -- invalid -- Moluccan Thrush
  Zoothera erythronota (P. L. Sclater, 1859) -- invalid -- Red-backed Thrush
  Zoothera everetti (Sharpe, 1892) -- valid -- Everett's Thrush
  Zoothera gurneyi (Hartlaub, 1864) -- invalid -- Orange Ground Thrush
  Zoothera guttata (Vigors, 1831) -- invalid -- Spotted Ground Thrush
  Zoothera heinei (Cabanis, 1850) -- valid -- Russet-tailed Thrush
  Zoothera horsfieldi (Bonaparte, 1857) -- invalid
  Zoothera interpres (Temminck, 1828) -- invalid -- Chestnut-capped Thrush
  Zoothera kibalensis Prigogine, 1978 -- invalid -- Kibale Ground Thrush
  Zoothera lunulata (Latham, 1802) -- valid -- Bassian Thrush
  Zoothera machiki (H. O. Forbes, 1884) -- valid -- Fawn-breasted Thrush
  Zoothera major (Ogawa, 1905) -- valid -- Amami Thrush
  Zoothera margaretae (Mayr, 1935) -- valid -- White-bellied Thrush
  Zoothera marginata Blyth, 1847 -- valid -- Dark-sided Thrush
  Zoothera mollissima (Blyth, 1842) -- valid -- Plain-backed Thrush
  Zoothera monticola Vigors, 1832 -- valid -- Long-billed Thrush
  Zoothera naevia (Gmelin, 1789) -- invalid
  Zoothera oberlaenderi (Sassi, 1914) -- invalid -- Öberländer's Ground Thrush
  Zoothera peronii (Vieillot, 1818) -- invalid -- Orange-sided Thrush
  Zoothera piaggiae (Bouvier, 1877) -- invalid -- Abyssinian Ground Thrush
  Zoothera pinicola (P. L. Sclater, 1859) -- invalid
  Zoothera princei (Sharpe, 1874) -- invalid -- Grey Ground Thrush
  Zoothera schistacea (A. B. Meyer, 1884) -- invalid -- Slaty-backed Thrush
  Zoothera sibirica (Pallas, 1776) -- invalid -- Siberian Thrush
  Zoothera spiloptera (Blyth, 1847) -- invalid -- Spot-winged Thrush
  Zoothera talaseae (Rothschild & Hartert, 1926) -- valid -- Black-backed Thrush
  Zoothera tanganjicae (Sassi, 1914) -- invalid
  Zoothera terrestris (Kittlitz, 1830) -- valid
  Zoothera wardii (Blyth, 1843) -- invalid -- Pied Thrush
  Zosteropidae Bonaparte, 1853 -- valid -- White-eyes
  Zosterops Vigors & Horsfield, 1827 -- valid -- Lesser White-eyes
  Zosterops abyssinicus Guerin-Meneville, 1843 -- valid -- Abyssinian White-eye
  Zosterops albogularis Gould, 1837 -- valid -- Norfolk Island White-eye, White-chested White-eye, white-breasted silvereye
  Zosterops anomalus A. B. Meyer & Wiglesworth, 1896 -- valid -- Black-ringed White-eye
  Zosterops atricapillus Salvadori, 1879 -- invalid
  Zosterops atriceps G. R. Gray, 1861 -- valid -- Cream-throated White-eye
  Zosterops atrifrons Wallace, 1864 -- valid -- Black-crowned White-eye
  Zosterops borbonicus (Boddaert, 1783) -- invalid
  Zosterops buruensis Salvadori, 1878 -- valid -- Buru White-eye
  Zosterops ceylonensis Holdsworth, 1872 -- valid -- Sri Lanka White-eye
  Zosterops chloris Bonaparte, 1850 -- valid -- Lemon-bellied White-eye
  Zosterops chloronothos (Vieillot, 1817) -- valid -- Mauritius Olive White-eye
  Zosterops cinereus (Kittlitz, 1832) -- valid -- Dusky White-eye, Grey-brown White-eye
  Zosterops citrinellus Bonaparte, 1850 -- invalid
  Zosterops consobrinorum A. B. Meyer, 1904 -- valid -- Pale-bellied White-eye
  Zosterops conspicillatus (Kittlitz, 1833) -- valid -- Bridled White-eye
  Zosterops erythropleurus Swinhoe, 1863 -- valid -- Chestnut-flanked White-eye
  Zosterops everetti Tweeddale, 1878 -- valid -- Everett's White-eye
  Zosterops explorator E. L. Layard, 1875 -- valid -- Fiji White-eye
  Zosterops ficedulinus Hartlaub, 1866 -- valid -- Principe White-eye
  Zosterops finschii (Hartlaub, 1868) -- valid -- Dusky White-eye
  Zosterops flavifrons (Gmelin, 1789) -- valid -- Vanuatu White-eye
  Zosterops flavus (Horsfield, 1821) -- valid -- Javan White-eye
  Zosterops fuscicapillus Salvadori, 1876 -- invalid
  Zosterops grayi Wallace, 1864 -- valid -- Pearl-bellied White-eye
  Zosterops griseotinctus G. R. Gray, 1858 -- valid -- Islet White-eye
  Zosterops griseovirescens Bocage, 1893 -- valid -- Annobon White-eye
  Zosterops hypolais Hartlaub & Finsch, 1872 -- valid -- Plain White-eye
  Zosterops hypoxanthus Salvadori, 1881 -- valid -- Bismarck White-eye
  Zosterops inornatus E. L. Layard, 1878 -- valid -- Forest White-eye
  Zosterops japonicus Temminck & Schlegel, 1845 -- valid -- Japanese White-eye
  Zosterops kirki Shelley, 1880 -- valid -- Kirk's White-eye
  Zosterops kuehni Hartert, 1906 -- valid -- Ambon White-eye
  Zosterops kulambangrae Rothschild & Hartert, 1901 -- valid -- New Georgia White-eye
  Zosterops lateralis (Latham, 1802) -- valid -- Silvereye
  Zosterops luteirostris Hartert, 1904 -- valid -- Yellow-billed White-eye, Ghizo white-eye
  Zosterops luteus Gould, 1843 -- valid -- Canary White-eye
  Zosterops maderaspatanus (Linnaeus, 1766) -- valid -- Madagascar White-eye
  Zosterops mayottensis Schlegel, 1867 -- valid -- Mayotte White-eye
  Zosterops meeki Hartert, 1898 -- valid -- Tagula White-eye
  Zosterops metcalfii Tristram, 1894 -- valid -- Yellow-throated White-eye
  Zosterops meyeni Bonaparte, 1850 -- valid -- Lowland White-eye
  Zosterops minor A. B. Meyer, 1874 -- valid -- Black-fronted White-eye
  Zosterops minutus E. L. Layard, 1878 -- valid -- Sulphur White-eye
  Zosterops modestus E. Newton, 1867 -- valid -- Seychelles White-eye
  Zosterops montanus Bonaparte, 1850 -- valid -- Mountain White-eye
  Zosterops mouroniensis Milne-Edwards & Oustalet, 1885 -- valid -- Karthala White-eye
  Zosterops murphyi Hartert, 1929 -- valid -- Hermit White-eye
  Zosterops mysorensis A. B. Meyer, 1874 -- valid -- Biak White-eye
  Zosterops natalis Lister, 1889 -- valid -- Christmas White-eye
  Zosterops nigrorum Tweeddale, 1878 -- valid -- Yellowish White-eye
  Zosterops novaeguineae Salvadori, 1878 -- valid -- Papuan White-eye
  Zosterops oleagineus Hartlaub & Finsch, 1872 -- valid -- Olive-colored White-eye, Yap Greater White-eye
  Zosterops olivaceus (Linnaeus, 1766) -- valid -- Reunion Olive White-eye
  Zosterops pallidus Swainson, 1838 -- valid -- Cape White-eye
  Zosterops palpebrosus (Temminck, 1824) -- valid -- Oriental White-eye
  Zosterops poliogaster Heuglin, 1861 -- invalid
  Zosterops rendovae Tristram, 1882 -- invalid
  Zosterops rennellianus Murphy, 1929 -- valid -- Bare-ringed White-eye
  Zosterops salvadorii A. B. Meyer & Wiglesworth, 1894 -- valid -- Enggano White-eye
  Zosterops samoensis Murphy & Mathews, 1929 -- valid -- Samoan White-eye
  Zosterops sanctaecrucis Tristram, 1894 -- valid -- Santa Cruz White-eye
  Zosterops semperi Hartlaub, 1868 -- valid -- Citrine White-eye
  Zosterops senegalensis Bonaparte, 1850 -- valid -- African Yellow White-eye
  Zosterops splendidus Hartert, 1929 -- valid -- Splendid White-eye
  Zosterops strenuus Gould, 1855 -- valid -- Robust White-eye
  Zosterops stresemanni Mayr, 1931 -- valid -- Malaita White-eye
  Zosterops tenuirostris Gould, 1837 -- valid -- Slender-billed White-eye
  Zosterops tephropleurus Gould, 1855 -- invalid
  Zosterops uropygialis Salvadori, 1874 -- valid -- Golden-bellied White-eye
  Zosterops vaughani Bannerman, 1924 -- valid -- Pemba White-eye
  Zosterops vellalavella Hartert, 1908 -- valid -- Belted White-eye
  Zosterops wallacei Finsch, 1901 -- valid -- Yellow-ringed White-eye
  Zosterops xanthochrous G. R. Gray, 1859 -- invalid
   

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