Papers in the Biological Sciences


Date of this Version



From Waterfowl of North America, Revised Edition (2010). Copyright © 2010 Paul A. Johnsgard.


Steller Eider, Pair
Spectacled Eider, Adult female
Spectacled Eider, Adult male
Oldsquaw, Male in Summer
Oldsquaw, Male in Winter
Oldsquaw, Female in late Spring
Harlequin Duck, Adult male
Harlequin Duck, Pair
American Black Scoter, Male (Courtesy Felix Neck Wildlife Trust)
European Black Scoter, Pair
Surf Scoter, Male (San Diego Zoo Photo)
Surf Scoter, Pair
White-winged Scoter, Male (Courtesy Felix Neck Wildlife Trust)
White-winged Scoter, Adult female
Bufflehead, Adult males
Bufflehead, Pair
Barrow Goldeneye, Adult male
Common Goldeneye, Pair
Common Goldeneye, Courting pair
Smew, Pair
Smew, Adult male
Hooded Merganser, Adult female
Hooded Merganser, Adult male
Red-breasted Merganser, Adult male
Red-breasted Merganser, Male in eclipse
Common Merganser, Adult male
Common Merganser, Adult female
Masked Duck, Males in eclipse and nuptial plumage (Courtesy Dale Crider)
Masked Duck, Juvenile (Courtesy Dirk Hagemeyer)
Ruddy Duck, Displaying pair
Ruddy Duck, Displaying male

Included in

Ornithology Commons