This is a small duck with a large, puffy head, steep forehead, and short bill.  The male is black on its back and white below.  It has a large white patch on its head.  The female is more dull, with a small elongated white patch on each side of head.  This duck is a common winter resident of New York.

 

Common Goldeneye

White-winged Scoter

Horned Grebe

Bufflehead

Ring-necked Duck

 

 

CAC is a program of the Institute for the Study of Human-Animal Relations at Canisius College in Buffalo, NY.