26. Goodrich, L. J., S. T. Crocoll, and S. E. Senner. 1996. Broad-winged Hawk (Buteo platypterus). In the Birds of North America, No. 218, A. Poole and F. Gill, editors. Academy of Natural Sciences, Philadelphia; and American Ornithologists Union, Washington, D.C. | Hawk Mountain Sanctuary: Learn Visit Join

26. Goodrich, L. J., S. T. Crocoll, and S. E. Senner. 1996. Broad-winged Hawk (Buteo platypterus). In the Birds of North America, No. 218, A. Poole and F. Gill, editors. Academy of Natural Sciences, Philadelphia; and American Ornithologists Union, Washington, D.C.

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