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Eggs

Illustration of a Red-throated Loon (Gavia stellata) egg, 72.5 × 45 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Gavia stellata

  • 72.5 × 45 mm
  • Clutch: 1–2 eggs
Breeds in Canada, United States

Elongated, with variable color ranging from brown to olive, with blotches or speckles.

Sources of information

Size
Average of 58 eggs: Bent, Life Histories of North American Diving Birds (U.S. National Museum Bulletin 107, 1919), p. 75.
Agrees with: Cornell Lab of Ornithology, All About Birds: Red-throated Loon, Life History.
Description
Cornell Lab of Ornithology, All About Birds: Red-throated Loon, 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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