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| Kingdom Animalia | 
|  | Agelaius phoeniceus californicus Nelson, 1897 – valid | 
|  | Agelaius phoeniceus richmondi Nelson, 1897 – valid | 
|  | Antrostomus ridgwayi Nelson, 1897 – valid – Buff-collared Nightjar | 
|  | Antrostomus ridgwayi ridgwayi Nelson, 1897 – valid | 
|  | Calocitta formosa azurea Nelson, 1897 – valid | 
|  | Cardinalis cardinalis littoralis Nelson, 1897 – valid | 
|  | Catharus occidentalis fulvescens Nelson, 1897 – valid | 
|  | Colinus godmani Nelson, 1897 – invalid | 
|  | Colinus insignis Nelson, 1897 – invalid | 
|  | Colinus salvini Nelson, 1897 – invalid | 
|  | Colinus virginianus godmani Nelson, 1897 – valid | 
|  | Colinus virginianus insignis Nelson, 1897 – valid | 
|  | Colinus virginianus nigripectus Nelson, 1897 – valid | 
|  | Colinus virginianus salvini Nelson, 1897 – valid | 
|  | Cyrtonyx montezumae merriami Nelson, 1897 – invalid – Merriam's Montezuma Quail | 
|  | Dendroica coronata goldmani Nelson, 1897 – invalid | 
|  | Dendrortyx macroura griseipectus Nelson, 1897 – valid | 
|  | Dendrortyx macroura oaxacae Nelson, 1897 – valid | 
|  | Dendrortyx macroura striatus Nelson, 1897 – valid | 
|  | Dendrortyx oaxacae Nelson, 1897 – invalid | 
|  | Empidonax bairdi occidentalis Nelson, 1897 – invalid | 
|  | Empidonax difficilis occidentalis Nelson, 1897 – valid – Mosquero barranqueño, Cordilleran Flycatcher | 
|  | Empidonax occidentalis Nelson, 1897 – invalid – Cordilleran Flycatcher, Mosquero barranqueño | 
|  | Empidonax occidentalis occidentalis Nelson, 1897 – invalid | 
|  | Henicorhina leucophrys capitalis Nelson, 1897 – valid | 
|  | Henicorhina leucophrys mexicana Nelson, 1897 – valid | 
|  | Hylorchilus Nelson, 1897 – valid | 
|  | Junco fulvescens Nelson, 1897 – invalid | 
|  | Junco phaeonotus fulvescens Nelson, 1897 – valid | 
|  | Momotus mexicanus saturatus Nelson, 1897 – valid | 
|  | Peucaea ruficeps australis Nelson, 1897 – invalid | 
|  | Peucaea ruficeps fusca Nelson, 1897 – invalid | 
|  | Platypsaris aglaiae sumichrasti Nelson, 1897 – invalid | 
|  | Salpinctes obsoletus neglectus Nelson, 1897 – valid | 
        
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