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Publication: American Ornithologists' Union 1973 Thirty-second supplement to the American Ornithologists' Union check-list of North American Birds The Auk, vol. 90, no. 2 411-419

ITIS records citing this publication
 
 Kingdom Animalia
  Cassidix major (Vieillot, 1819) -- invalid
  Cassidix major major (Vieillot, 1819) -- invalid
  Cassidix major torreyi Harper, 1934 -- invalid
  Cassidix mexicanus (Gmelin, 1788) -- invalid
  Cassidix mexicanus monsoni A. R. Phillips, 1950 -- invalid
  Cassidix mexicanus nelsoni (Ridgway, 1901) -- invalid
  Cassidix mexicanus prosopidicola Lowery, 1938 -- invalid
  Chamaethlypis poliocephala (S. F. Baird, 1865) -- invalid -- Grey-crowned Yellowthroat
  Larus thayeri W. S. Brooks, 1915 -- invalid -- Gaviota de Thayer, Thayer's Gull, Goéland de Thayer
  Mareca americana (J. F. Gmelin, 1789) -- valid -- American Wigeon, Canard d'Amérique, Silbón americano, piadeira-americano
   

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