. . . . . . . . "1977-10-01T00:00:00Z"^^ . . "Tyto alba" . . "Scarabaeidae" . . "Knight, R. L. and R. E. Jackman. 1984. Food-niche relationships between Great Horned Owls and Common Barn-Owls in eastern Washington. Auk 101:175-179." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .