. . . . . . . "1930-03-01T00:00:00Z"^^ . . "Strix varia" . . "Amphibia" . . "Errington, P. L. 1932. Food habits of southern Wisconsin raptors. Part 1. owls. Condor 34:176-180." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .