. . . . . . . "1939-07-01T00:00:00Z"^^ . . "Ardenna tenuirostris" . . "Animalia" . . "Cottam, C. and P. Knappen. 1939. Food of some uncommon North American birds. Auk 56:138-169." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .