Ornithological Curiosities. A Hawk with Nine Toes, and a Bobolink with Spurs on Its Wings
Article
1887
The Auk
4
331--333
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/125062 DOI: https://doi.org/10.2307/4067196