About the Common Eider
The common eider, also called St. Cuthbert's duck or Cuddy's duck, is a large sea-duck that is distributed over the northern coasts of Europe, North America and eastern Siberia. It breeds in Arctic and some northern temperate regions, but winters somewhat farther south in temperate zones, when it can form large flocks on coastal waters. It can fly at speeds up to 113 km/h (70 mph).
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The common eider is the largest of the four eider species, measuring 50 to 71 cm (19+1⁄2 to 28 in) in length, weighs 0.81 to 3.04 kg (1 lb 12+1⁄2 oz to 6 lb 11 oz) and spans 80–110 cm (31–43 in) across the wings. The average weight of 22 males in the North Atlantic was 2.21 kg (4 lb 14 oz) while 32 females weighed an average of 1.92 kg (4 lb 3+1⁄2 oz). It is distinguished by its bulky shape and large, wedge-shaped bill. The male is distinct, with its black and white plumage and green nape.
Text from Wikipedia, licensed CC BY-SA 4.0.
What the Common Eider sounds like
Where it lives
Recorded as a rare visitor in Luxembourg, Georgia.
When to see it
Peak activity in May · a resident species across most of its range
Easily confused with
King EiderSomateria spectabilisThe king eider is a large sea duck, measuring 50–70 cm (20–28 in) in length with a wingspan of 86–102 cm (34–40 in).
Spectacled EiderSomateria fischeriThe spectacled eider is a large sea duck that breeds on the coasts of Alaska and northeastern Siberia.
Side by side: Common Eider vs King Eider
Learn the Common Eider for real
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