. . . . . . . . . "1975-01-01T00:00:00Z"^^ . . "Buteo swainsoni" . . "Pica hudsonia" . . "Fitzner, R. E. 1978. Behavioral Ecology of Swainson's Hawk in Southeastern Washington. Washington State University, Pullman. Ph.D Dissertation." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .