From Wikipedia, the free encyclopedia.
Eider may refer to:
- two genera and four species of birds in the duck subfamily Merginae:
- Common Eider (Somateria mollissima)
- King Eider (Somateria spectabilis)
- Spectacled Eider (Somateria fischeri)
- Steller's Eider (Polysticta stelleri)
- the downy feathers from these ducks, used to fill pillows, duvets, and other bedding.
- a river in Schleswig-Holstein, Germany; see Eider River
- a comic book character; see Eider Duck
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