Following is a transcript of the video. Narrator: Real eiderdown is one of the warmest natural fibers you can find, but it doesn't come cheap. And an eiderdown double duvet could cost you over $8,000.

The common eider is a sea duck that nests in colonies on islands along the North American coast from Maine to Labrador, and in the estuary and Gulf of St. Lawrence in Québec. Eiderdown feathers cling ...

This is the coldest time of year in the Northern Hemisphere. I only step outside attired in a thick cocoon of thermal insulation, including sweater, coat, hat and gloves. But even on the chilliest ...

A total of 269 eider duck nests are found on Coquet Island as part of an annual census.

Avian cholera could spread into areas of the Arctic, including parts of Canada and Greenland, where the disease has not been present before, scientists say. The potent bacterial disease is naturally ...

Not all of our mistakes are permanent. One duck came back from the brink. Not that long ago, the common eider was uncommon. As the largest duck in North America, it was hunted for its meat and eggs ...

Since 1998, hundreds and sometimes thousands of dead eider ducks have been washing up every year on Cape Cod's beaches in late summer or early fall, but the reasons behind these cyclic die-offs have ...

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Rick Acker, a Grand Forks taxidermist and avid outdoorsman, shared this story from a January 2012 hunting trip to an island in the Bering Sea off the coast of Alaska, where he pursued King Eider ducks ...

THIS is how eider ducks get their lunch. The common eider (Somateria mollissima) flocks to the Norwegian coast in winter to surf the waves and feed in the protected bays and fjords. Pål Hermansen has ...

ITHACA, N.Y. - Since 1998, hundreds and sometimes thousands of dead eider ducks have been washing up every year on Cape Cod's beaches in late summer or early fall, but the reasons behind these cyclic ...