. . . . . . . "1989-02-01T00:00:00Z"^^ . . "Haliaeetus leucocephalus" . . "Muridae" . . "Stalmaster, M. V. and R. G. Plettner. 1992. Diets and foraging effectiveness of Bald Eagles during extreme winter weather in Nebraska. The Journal of Wildlife Management 56:355-367." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .