. . . . . . . . "1980-04-01T00:00:00Z"^^ . . "Strix nebulosa" . . "Myodes gapperi" . . "Franklin, A. B. 1988. Breeding biology of the Great Gray Owl in southeastern Idaho and northwestern Wyoming. Condor 90:689-696." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .