. . . . . . . . . "1981-04-01T00:00:00Z"^^ . . "Buteo regalis" . . "Aves" . . "Maclaren, P. A., S. H. Anderson, and D. E. Runde. 1988. Food habits and nest characteristics of breeding raptors in southwestern Wyoming. Great Basin Naturalist 48:548-553." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .