Bibliography and Citations

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Filters: Author is American Ornithologists' Union  [Clear All Filters]
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American Ornithologists' Union.  2015.  Checklist of North and Middle American Birds [online].    Available from http://checklist.aou.org/
American Ornithologists' Union.  1910.  Genus Oreortyx. Third Edition (revised).  
American Ornithologists' Union.  1931.  Genus Oreortyx. Fourth Edition.  
American Ornithologists' Union.  1957.  Genus OreortyxCheck. Fifth Edition.  
American Ornithologists' Union.  1991.  Thirty-eighth Supplement to the American Ornithologists' Union Check-list of North American Birds.  Auk.  108:750-754.
American Ornithologists' Union.  1933.  Thirty-ninth supplement to the American Ornithologists' Union Check-list of North American Birds.  Auk.  110:675-682.