200. Goodrich, L.J. 2010. Sharp-shinned Hawk. Pages 237-241 in Terrestrial vertebrates of Pennsylvania (M.A. Steele, et. al. eds). Johns Hopkins University Press, Baltimore Maryland. | Hawk Mountain Sanctuary: Learn Visit Join

200. Goodrich, L.J. 2010. Sharp-shinned Hawk. Pages 237-241 in Terrestrial vertebrates of Pennsylvania (M.A. Steele, et. al. eds). Johns Hopkins University Press, Baltimore Maryland.

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