Abnormal Beak of a Horned Lark (Otocoris alpestris praticola)
Soper, J Dewey
Article
1919
The Auk
36
571--572
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/122591 DOI: https://doi.org/10.2307/4073371