. . . . . . . . . "2008-05-01T00:00:00Z"^^ . . "Buteogallus anthracinus" . . "Masticophis flagellum" . . "Etzel, K. E., T. C. Theimer, M. J. Johnson, and J. A. Holmes. 2014. Variation in Prey Delivered to Common Black-Hawk (Buteogallus anthracinus) Nests in Arizona Drainage Basins. Journal of raptor Research 48(1): 54-60" . . . . "Allen Hurlbert. 2017. Avian Diet Database." .