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Illustration of a Little Blue Heron (Egretta caerulea) egg, 44 × 33.5 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Egretta caerulea

  • 44 × 33.5 mm
  • Clutch: 3–4 eggs
Breeds in United States, Mexico, Central America (7 countries), the Caribbean and South America (10 countries)
show all 23Canada & United States: United States
Mexico: Mexico
Central America: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
The Caribbean: Aruba, Bonaire, Sint Eustatius and Saba, Trinidad and Tobago, Caribbean islands
South America: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela

Pale bluish green.

Sources of information

Size
Average of 54 eggs: Bent, Life Histories of North American Marsh Birds (U.S. National Museum Bulletin 135, 1927), p. 179.
Agrees with: Cornell Lab of Ornithology, All About Birds: Little Blue Heron, Life History.
Description
Cornell Lab of Ornithology, All About Birds: Little Blue Heron, 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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