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Illustration of a Razorbill (Alca torda) egg, 75.9 × 47.9 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Alca torda

  • 75.9 × 47.9 mm
Breeds in Canada, United States

Whitish with dark blotches around large end.

Sources of information

Size
Average of 80 eggs: Bent, Life Histories of North American Diving Birds (U.S. National Museum Bulletin 107, 1919), p. 203.
Description
Cornell Lab of Ornithology, All About Birds: Razorbill, Life History.
Drawing checked against a photo: Wikimedia Commons photo; Bird Eggs of Canada photo (Royal Saskatchewan Museum).
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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