Illustration © David Allen Sibley.
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Text © Kenn Kaufman, adapted from
Lives of North American Birds
Photo: Jari Peltomaki/Vireo
Somateria spectabilis
Conservation status | Abundant in its remote northern range, total population running to several million. Like other Arctic birds, vulnerable to the effects of climate change. |
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Family | Ducks and Geese |
Habitat | Rocky coasts, ocean. Nests on high arctic tundra, both along coast and around freshwater lakes far inland. In winter on ocean, mostly in far north, including around edge of pack ice. Less tied to coast than Common Eider, may occur farther inland in summer and farther offshore in winter. Rarely on fresh water in winter, as on the Great Lakes. |
Forages mainly underwater. Often forages in deep water and may dive more than 150' below surface.
4-5, sometimes 3-7. Pale olive. Incubation is by female only, 22-24 days. Young: leave nest shortly after hatching and go to water. Female tends young, but young find all their own food. Several broods of young often join (in group called "creche"), accompanied by several adult females. Age at first flight not known, probably 50+ days.
leave nest shortly after hatching and go to water. Female tends young, but young find all their own food. Several broods of young often join (in group called "creche"), accompanied by several adult females. Age at first flight not known, probably 50+ days.
Mostly mollusks. Diet varies with season. Mollusks are among main foods at most times. Also eaten are crustaceans, insects, echinoderms, and some plant material. Insect larvae may be main foods in summer.
Most pairs are formed in spring, during migration or near breeding grounds. Several males may court one female, surrounding her on water. Displays of male include turning head rapidly from side to side, rearing up out of water while rotating head, flapping wings, also various head movements accompanied by cooing calls. Faster displays than in Common Eider. Nest site usually on raised dry ground not far from water. Nest is a shallow depression lined with bits of plant material and with large amounts of down.
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