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Illustration of a Chuck-will's-widow (Antrostomus carolinensis) egg, 35.56 × 25.57 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Antrostomus carolinensis

  • 35.56 × 25.57 mm
  • Clutch: 1–4 eggs
Breeds in United States

White to gray, with variable dark markings.

Sources of information

Size
Average of 54 eggs: Bent, Life Histories of North American Cuckoos, Goatsuckers, Hummingbirds and Their Allies (U.S. National Museum Bulletin 176, 1940), p. 150.
Agrees with: Cornell Lab of Ornithology, All About Birds: Chuck-will's-widow, Life History.
Description
Cornell Lab of Ornithology, All About Birds: Chuck-will's-widow, 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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