Goldeneye duck

goldeneye duck   The goldeneye is a duck that visits the United States in winter, but breeds only in Canada. In the male goldeneye, Glaucionetta clangula americana, the head is glossy green, with a slight crest and white cheek patches; the front and sides of the body are mostly white and the back and tail black. An allied species, G. islandica, is abundant in Iceland and North Amer­ica, and is known as Barrow's goldeneye.