. . . . . . . "1977-07-01T00:00:00Z"^^ . . "Clangula hyemalis" . . "Amphipoda" . . "Johnson, S.R. 1984. Prey selection by Oldsquaws in a Beaufort Sea lagoon, Alaska. In Marine birds: their feeding ecology and commercial fisheries relationships (eds GA Sanger, PF Springer), pp. 12-19. Ottawa, ON.: Canadian Wildlife Service Special Publication." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .