. . . . . . . . "1980-01-01T00:00:00Z"^^ . . "Haliaeetus leucocephalus" . . "Mustela frenata" . . "Harmata, A. R. 1984. Bald Eagles of the San Luis valley, Colorado: their winter ecology and spring migration. Phd Thesis. Montana State University Bozeman." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .