Piranga erythromelas versus Piranga olivacea
Oberholser, Harry C. (Harry Church), 1870-1963
Article
1919
The Auk
36
575--576
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/121671 DOI: https://doi.org/10.2307/4073377