. . . . . . . . . "1982-03-01T00:00:00Z"^^ . . "Strix nebulosa" . . "Insecta" . . "Bull, E. L. and M. G. Henjum. 1990. Ecology of the great gray owl. U.S. Department of Agriculture, Forestry Service, General Technical Report. PNW-GTR-265." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .