Birds of Panama

    ANSERIFORMES: Anatidae (Ducks, Geese, Swans)  
Genus: Aythya (2 species, 12 worldwide)

Aythya is a genus of 'diving ducks', but their diet is similar to genus Anas, 'dabbling ducks', and is a mixture of plant and animal matter (insects, mollusks, but not fish).


Lesser Scaup
Lesser Scaup (Aythya affinis) Male
Beaumaris Lake, Edmonton, Alberta, Canada  
   
Photograph by dfaulder     Copyright and usage info

Lesser Scaup
Lesser Scaup (Aythya affinis) Female
Beaumaris Lake, Edmonton, Alberta, Canada  
   
Photograph by dfaulder     Copyright and usage info

The Lesser Scaup has a narrower, taller head than the Greater Scaup, and is a bit smaller. The head may have a purple iridescence.

Ring-necked Duck
Ring-necked Duck (Aythya collaris) Male
Vancouver, Canada  
   
Photograph by Nigel from Vancouver     Copyright and usage info

Ring-necked Duck
Ring-necked Duck (Aythya collaris) Female
Vancouver, Canada  
   
Photograph by Nigel from Vancouver     Copyright and usage info



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