The immature male king eider has its own distinctive look, with an orange bill and white breast. Because of its rarity, many ...

Harvested from the nest of eider ... common eider, used to protect it from arctic conditions and freezing cold seas. During the breeding season, this down naturally sheds, and the female ducks ...

With abundant body fat and thick insulating plumage, this rare sea duck is built for life in the tundra. But the Arctic may be getting too warm for the Steller's eider, and the species is rapidly ...