King Eider Duck

King Eider Duck

The birds spend most of the year in coastal marine ecosystems at high latitudes, and migrate to Arctic tundra to breed in June and July. Wintering birds can form large flocks on suitable coastal waters, with some flocks exceeding 100,000 birds.

Wild Diet

This species dives for benthic invertebrates, such as crustaceans, polychaete worms, and molluscs, with mussels being a favoured food.


Eider ducks are particularly famous for the female plucking her own down feathers from her breast and using it as nesting material.


They migrate to Arctic tundra to breed in June and July. The males develop bright plumage to attract females during the breeding season. They perform ritualised head tossing and growling that expose their black chest. They lay four to seven eggs in a scrape on the ground lined with grass and down.


Hunting by humans, lack of food and climate change.


  • Latin Name: Somateria spectabilis
  • Class: Birds
  • Conservation Status: Least Concern
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