Bucephala clangula
(Common Goldeneye)


Order: Anseriformes
Order Description: Swans, Geese, Ducks
Family: Anatidae
Family Description: Swans, Geese and Ducks

Physical Description:
16-20" (41-51 cm). Male has glossy, dark green head with round white patch near base of bill; black back and tail; neck, breast, and sides white; white areas on wings and back visible in flight. Females' plumageClick word for definition is gray with darker gray wings and tail; brown head; bill dark with small pale yellow patch near tip.

Similar Species- Barrow's Goldeneye, female mergansers, male Bufflehead

Song:
Courting call of male is a double nasal quaa-quaak. Wings whistle in flight.

Distribution:
Breeds in Alaska, across parts of Canada, and south to northern Washington, central Montana, and across northern U.S. to Maine. Winters from southeastern Alaska to southern California, from Great Lakes to Gulf Coast, and from Newfoundland to Florida.

Habitat:
Found on ponds, lakes, rivers, and coastal bays, wintering primarily on bays and estuaries, less commonly on rivers and lakes. In Idaho, normally associated with water bodies near forests; prefers deep, open waters of large rivers, lakes, and reservoirs.

Diet:
In inland areas during summer and fall, feeds on aquatic insects, crustaceans, and aquatic plants. Along coastal wintering grounds, feeds largely on crustaceans, mollusks, small fishes, and some plant material.

Ecology:
Builds nest in tree cavity near water. Dives under water to obtain food.

Reproduction:
Breeding begins early May in southern range, to June in north. clutchClick word for definition size varies from 5-19 eggs (usually 8-12). Female incubatesClick word for definition eggs and tends young; incubation lasts 28-32 days. Nestlings are precocialClick word for definition and downy, and fly at 51-60 days.

Conservation:
Element Code: ABNJB18010
Status: Game species
Global Rank: G5
State Rank: S3
National Rank: N5B,N5N

Important State References:
No references are available at this time.


Design by Ean Harker©1999, 2000.
Written by Jason Karl, 2000.