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Threatened species can occasionally be found here, including Steller's and spectacled eiders.
Then, on the final day they got lucky - a vast polynia filled with the world's entire population of spectacled eiders!
Spectacled Eiders are found only in Alaska and Russia.
Meanwhile, during winter, the entire world population of spectacled eiders can be found in just a few assemblies on patches of the Arctic Ocean.
Out on the frozen ocean, the entire world's population of spectacled eider ducks brave the winter in a giant ice hole kept open by ferocious currents.
Common murres, harlequin ducks, horned puffins, pigeon guillemots, and spectacled eiders.
Some scientists believe the Spectacled Eider population declines are associated with the ducks' wintering grounds and not Alaskan breeding areas.
The Spectacled Eider is slightly smaller than the Common Eider at 52-57 cm in length.
Somateria fischeri (Spectacled eider)
Saving Species reports from the North Slope of Alaska to find the Spectacled Eider duck.
The Spectacled Eider is listed in the US as a Federally Threatened species and is unhuntable.
Crested auklets, harlequin ducks, least auklets, smews, spectacled eiders, and whiskered auklets.
The coast is also home to many breeding waterbirds including snow goose, spectacled eider, steller's eider, king eider, and yellow-billed loon.
The Spectacled Eider (Somateria fischeri) is a large sea duck that breeds on the coasts of Alaska and northeastern Siberia.
Endangered species at Cape Krusenstern include the possibly extinct Eskimo curlew, and threatened spectacled eider and Steller's eider.
Seabird species include Tufted Puffins, the endangered Short-tailed Albatross, Spectacled Eider, and Red-legged Kittiwakes.
SPECTACLED EIDER Somateria fischeri.
He described several birds collected by Russian explorers off the Pacific Coast of North America, including Brandt's Cormorant, Red-legged Kittiwake and Spectacled Eider.
Quick look: On its way to deliver emergency fuel to Nome, Alaska, the Russian tanker Renda will move through an area used by wintering spectacled eiders, a federally threatened sea duck.
Four of these species are threatened in some of their habitats: the Harlequin Duck in eastern Canada, the Barrow's Goldeneye in Eastern Canada and Maine, and the Spectacled Eider and Steller's Eider in the United States.