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Eggs

Illustration of a California Gull (Larus californicus) egg, 67.5 × 45.5 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Larus californicus

  • 67.5 × 45.5 mm
  • Clutch: 1–4 eggs
Breeds in Canada, United States

Buff to greenish, with dark spots, speckles, splotches, and short swirls.

Sources of information

Size
Average of 50 eggs: Bent, Life Histories of North American Gulls and Terns (U.S. National Museum Bulletin 113, 1921), p. 127.
Agrees with: Cornell Lab of Ornithology, All About Birds: California Gull, Life History.
Description
Cornell Lab of Ornithology, All About Birds: California Gull, Life History.
Drawing checked against a photo: Bird Eggs of Canada photo (Royal Saskatchewan 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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