. . . . . . . . "1984-01-01T00:00:00Z"^^ . . "Aegolius funereus" . . "Sorex" . . "Hayward, G. D., P. H. Hayward, and E. O. Garton. 1993. Ecology of Boreal Owls in the Northern Rocky Mountains, USA. Wildlife Monographs No. 124." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .