Illustration of Pacific loons.
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Illustration of harlequin ducks.
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Illustration of common and king eiders.
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Illustration of Steller's eider.
F. Bellrose's Ducks, Geese and Swans of North America, Harrisburg, 1942
F. Bellrose's Ducks, Geese and Swans of North America, Harrisburg, 1942
Illustration of an Oldsquaw duck.
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965
Drawing by John A. Crosby in G. W. Godfrey's The Birds of Canada, Ottawa: National Museums of Canada, Bulletin No. 203, Biological Series No. 73, 1965









