. . . . . . . . . "1978-03-01T00:00:00Z"^^ . . "Tyto alba" . . "Perognathus" . . "Marti, C. D. 1988b. A long-termstudy of food-niche dynamics in the Common Barn Owl: comparisons within and between populations. Canadian Journal of Zoology 66:1803-1812." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .