Preston, Charles R., and Ronald D. Beane. 2009. “Red-tailed Hawk (Buteo jamaicensis).” The Birds of North America, edited by Paul G. Rodewald. Ithaca: Cornell Lab of Ornithology. Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/rethaw doi: 10.2173/bna.52