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Eggs

Illustration of a Redhead (Aythya americana) egg, 61.2 × 43.4 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Aythya americana

  • 61.2 × 43.4 mm
  • Clutch: 7–8 eggs
Breeds in Canada, United States, Mexico

Creamy white to pale, olive buff or sometimes pale, buffy brown.

Sources of information

Size
Average of 79 eggs: Bent, Life Histories of North American Wild Fowl, Part 1 (U.S. National Museum Bulletin 126, 1923), p. 179.
Agrees with: Cornell Lab of Ornithology, All About Birds: Redhead, Life History.
Description
Cornell Lab of Ornithology, All About Birds: Redhead, 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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