Final Plan for Arctic Refuge Drilling Could Cause Extinctions, Admits Government
The decision to open the refuge's entire coastal plain to development, combined with climate change, 'may result in extinction' for some birds.
Breeding adult male. Photo: Tom Ingram/Audubon Photography Awards
Somateria fischeri
Conservation status | In the Yukon-Kuskokwim delta of western Alaska, one of the main breeding areas, populations declined by 96% from 1970 to 1993. Populations elsewhere may be declining, but not so sharply. Total numbers in Russia are not well known. Like other Arctic birds, probably vulnerable to the effects of climate change. |
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Family | Ducks and Geese |
Habitat | Ocean, tundra. In breeding season on wet low-lying tundra with many lakes and ponds, sometimes well inland. At other seasons on ocean. May be near coastline but often far offshore, along edges and openings of floating pack ice. |
During most of year forages mainly by diving and swimming underwater. Supposedly able to remain submerged longer than most diving ducks. On tundra in summer may forage by dabbling in shallow water or by walking on land.
Leave nest shortly after hatching, are led to water by female. Young are tended by female but find all their own food. Age at first flight 53 days or less, a rapid development for large size of bird.
mostly mollusks. During most of year, when at sea, diet is mainly mollusks. In summer on tundra, diet includes many aquatic insects and some crustaceans, plus much plant material such as sedges, grasses, and berries.
Most pairs evidently formed in winter, before spring migration to nesting grounds. Male's displays include rearing up out of water, wing-flaps, shaking head rapidly, stretching neck upward and then jerking head back in quick motion. Nest site is usually very close to edge of tundra pond, on a raised ridge or hummock; sites may be re-used in subsequent years. Nest (built by female) is a shallow depression lined with plant material and with large amounts of down. Eggs 3-6, sometimes 1-8. Olive buff. Incubation is by the female only, about 24 days. Young: Leave nest shortly after hatching, are led to water by female. Young are tended by female but find all their own food. Age at first flight 53 days or less, a rapid development for large size of bird.
Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect this bird’s range in the future.
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