Whitewings: The Life History, Status and Management of the White-winged Dove
Cottam, Clarence; Trefethen, James B.
An Atlas of the Birds of the Western Palaearctic (Includes Britain, Europe, North Africa, and the Mi
Audubon Wildlife Report 1985
Di Silvestro, Roger L., Editor
Black Brant: Sea Goose of the Pacific Coast
Einarsen, Arthur S.
Berger, Andrew J.
Ecology of Sea Colony Birds of the Barents Sea