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Illustration of an Elegant Tern (Thalasseus elegans) egg, 53.5 × 38 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Thalasseus elegans

  • 53.5 × 38 mm
  • Clutch: 1–2 eggs
Breeds in United States, Mexico

White to buff to pinkish to pale maroon, spotted and blotched with brown, black, gray, and purplish.

Sources of information

Size
Average of 27 eggs: Bent, Life Histories of North American Gulls and Terns (U.S. National Museum Bulletin 113, 1921), p. 220.
Description
Cornell Lab of Ornithology, All About Birds: Elegant Tern, Life History.
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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