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Illustration of a King Eider (Somateria spectabilis) egg, 67.6 × 44.7 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Somateria spectabilis

  • 67.6 × 44.7 mm
  • Clutch: 2–7 eggs
Breeds in Canada, United States

Olive or olive-buff.

Sources of information

Size
Average of 152 eggs: Bent, Life Histories of North American Wild Fowl, Part 2 (U.S. National Museum Bulletin 130, 1925), p. 111.
Description
Cornell Lab of Ornithology, All About Birds: King Eider, Life History.
Drawing checked against a photo: Bird Eggs of Canada photo (Royal Alberta Museum).
Clutch
Cornell Lab of Ornithology, All About Birds.
Shape
Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).

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