Bechard, M. J., and J. K. Schmutz. 1995. Ferruginous Hawk (Buteo regalis). In: The Birds of North America, No. 172 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, and The American Ornithologists' Union, Washington, D.C. 20 pp.

• Buteo regalis