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Illustration of a Warbling Vireo (Vireo gilvus) egg, 19.1 × 14.2 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Vireo gilvus

  • 19.1 × 14.2 mm
  • Clutch: 1–5 eggs
Breeds in Canada, United States, Mexico

White with a few scattered dots of reddish or dark brown.

Sources of information

Size
Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 365.
Agrees with: Cornell Lab of Ornithology, All About Birds: Warbling Vireo, Life History.
Description
Cornell Lab of Ornithology, All About Birds: Warbling Vireo, 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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