They breed in Canada, the Pacific Northwest and Alaska. Buffleheads are fast fliers with rapid wing-beats. They eat aquatic insects, snails, fish and other animal foods. Buffleheads are common spring-fall migrants, breeding in northern Canada and Alaska, and wintering along the coasts and in the southern states. Plumage is black and white on the male, brown and white on the female.
Goldeneyes dive for crustaceans, insects, mollusks and fish.
Common spring-fall migrants, they breed across Canada and in Alaska, and winter in Pennsylvania and across the continental United States. Small and stubby, the ruddy duck has a short, thick neck , an upturned tail, and white cheek patches under a dark cap. In flight, ruddy ducks skim low over the water in compact flocks. Juveniles eat a larger proportion of energy-rich animal food than do adults. They breed mainly in southwestern Canada, and winter along the United States coasts and in Mexico.