1. Dawson, J. W. 1988. “The Cooperative Breeding System of the Harris’ Hawk in Arizona.” MS thesis, University of Arizona.
2. Ellis, D. H., J. C. Bednarz, D. G. Smith, and S. P. Flemming. 1993. “Social Foraging Classes in Raptorial Birds.” BioScience 43:14–20.
3. Ferguson-Lees, J., and D. A. Christie. 2001. Raptors of the World. Boston: Houghton Mifflin.
4. Dwyer, J. F., and J. C. Bednarz. 2011. “Harris’s Hawk (Parabuteo unicinctus).” In The Birds of North America, edited by P. G. Rodewald. Ithaca: Cornell Lab of Ornithology. Accessed February 22, 2017.
https://birdsna.org/Species-Account/bna/species/hrshaw
.
5. Mader, W. J. 1975. “Extra Adults at Harris’s Hawk Nests.” Condor 77:482–85.