Whitewings: The Life History, Status and Management of the White-winged Dove
Cottam, Clarence; Trefethen, James B.
Field Book of Eastern Birds
Hausman, Leon Augustus
The Bird Its Form and Function
BEEBE, C. William
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