A History of North American Birds; Land Birds; Vol. 3 of 3

by Spencer Fullerton Baird; T. M. Brewer; Robert Ridgway

54338, ♀. ½

54338, ♀. ¼

41720, ♀. ½

41720, A. ferrugineus.

54338, ♀. ½

54338, Archibuteo lagopus.