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Illustration of a Black-and-white Warbler (Mniotilta varia) egg, 17.2 × 13.3 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Mniotilta varia

  • 17.2 × 13.3 mm
  • Clutch: 4–6 eggs
Breeds in Canada, United States

Creamy white, pale bluish- or greenish-white, with speckles of brown or lavender.

Sources of information

Size
Average of 50 eggs: Bent, Life Histories of North American Wood Warblers (U.S. National Museum Bulletin 203, 1953), p. 7.
Agrees with: Cornell Lab of Ornithology, All About Birds: Black-and-white Warbler, Life History.
Description
Cornell Lab of Ornithology, All About Birds: Black-and-white Warbler, Life History.
Drawing checked against a photo: Bird Eggs of Canada photo (University of Saskatchewan Department of Biology Natural History Collection).
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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