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The Greater Scaup is the more common of the two scaup in the northern United States, where it is usually seen in large rafts, often composed of thousands of birds, on large lakes or coastal bays. Although the two scaup can be difficult to tell apart, any very large flock of scaup on the northeast coast in winter may be assumed to be the Greater. Because it dives for mollusks and other animals and is not as much of a vegetarian as the Redhead or the Canvasback, the Greater Scaup is not considered as choice a game bird, although it is still shot in large numbers annually.

Greater Scaup

Hemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon. Learn more

Species Migrations

Hemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon.