Canvasbacks on Cayuga Lake 



Color Key to the Ducks of the Eastern 

 United States 



The various plumages of the Eiders and the Harlequin are otnitted 

 because these ducks are very rare. 



A. Birds with conspicuous white in wings. 

 B. White patches large. 



C. Plumage largely black and white. 



D. Plumage, except for white patches, black. 

 White-winged Scoter 

 DD. Wings and back white, head reddish. 

 Male Canvasback 

 DDD. Large areas of black and white. 



E. Bills long and narrow, heads more or less crested. 

 F. Head entirely black. 

 G. Breast entirely white. 

 Male American Merganser. 

 GG. Breast with dark band. 



Male Red-breasted Merganser. 

 FF. Head with large white patch. 



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