A Reconsideration of the American Black Ducks with Special Reference to Certain Variations
Phillips, John C
Article
1912
The Auk
29
295--306
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/122627 DOI: https://doi.org/10.2307/4071037
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