1980 



Ouwennel, G. L. 1980. Waarnemingen van een Amerikaase Smient. [Observations 

 of an American Wigeon. ] Limosa 53: 70. [In Dutch with English summary.] 



Wallace, D. I. M. 1980. Tertial patterns of Wigeon and American Wigeon. Brit, 

 Birds 73: 218-219. 



1979 



Wishart, R. A. 1979. Indices of structural size and condition of American 

 Wigeon ( Anas americana ). Can. J. Zool. 57: 2369-2374. 



1978 



Knapton, R. W. and B. Knudsen. 1978. Food piracy by American Wigeons on Amer- 

 ican Coots. Can. Field-Nat. 92: 403-404. 



1977 



Hellyer, D. T. 1977. Wigeon shakes down Coot. Pac. Search 11: 26-27. 



Spencer, H. E. , Jr. 1977. American Wigeon breeding in Maine. Auk 94: 790. 



Vermeer, K. and C. D. Levings. 1977. Populations, biomass and food habits of 

 ducks on the Fraser Delta intertidal area, British Columbia. Wildfowl 28: 

 49-60. 



1976 



Reinecker, W. C. 1976. Distribution, harvest and survival of American Wigeons 

 banded in California. Calif. Fish Game 62: 141-153. 



1975 



Fisher, B. M. 1975. American Wigeon steals food from muskrats. Can. Field- 

 Nat. 89: 468. 



Lynch, G. M. and J. E. Toepfer. 1975. California Gulls attack waterfowl broods 

 in Alberta. Auk 92: 159-160. 



1973 



Mareschal, M. 1973. Whiteness in an American Wigeon. Blue Jay 31: 232-233. 



Schwilling, M. D. 1973. First attempted nesting by American Wigeon in Kansas. 

 Bull. Kansas Ornithol. Soc . 24: 36. 



Sugden, L. G. 1973. Feeding ecology of Pintail, Gadwall, American Wigeon, and 

 Lesser Scaup ducklings in southern Alberta. Can. Wild. Serv. Rept. Ser. 

 No. 24. 43 pp. 



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