Variation in the Hairy Woodpecker (Dryobates villosus and Subspecies)
Jenkins, Hubert O
Article
1906
The Auk
23
161--171
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/123967 DOI: https://doi.org/10.2307/4070746
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