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Spectacled Eider Duck


Spectacled Eider Duck
Habitat

Their winter range is poorly known, however during the rest of the year they are found around inshore waters and coastal tundra during breeding season. They breed on the coasts of Alaska and north-eastern Siberia.

Wild Diet

Mostly feed on molluscs, but occasionally plant material, aquatic insects and crustaceans at the tundra breeding grounds.

Behaviour

Large flocks form in the Bering Sea during March-April. They generally fly in groups of 2-3 or if they are migrating they fly alone. Not found in social groups during the non-breeding season, but more social in breeding season, sometimes forming colonies nesting close together. They are most active during the day, especially in summer.

Breeding

Migrate to breeding grounds around May. Pair bonds form at the beginning of breeding season, lasting only a single season. Pairs are in constant contact during that time. Males perform ritualised displays, exposing the black chest and calling out. The female builds a nest on the grass flats. Once the eggs are laid it will take around 24 days until they hatch.

Threats

Hunting by humans, lack of food and climate change.

INFORMATION

  • Latin Name: Somateria fischeri
  • IUCN status: Least Concern
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