. . . . . . . . "1939-01-01T00:00:00Z"^^ . . "Melanitta fusca" . . "Animalia" . . "Cottam, C. 1939. Food habits of North American diving ducks. United States Department of Agriculture Technical Bulletin 643:1-140." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .