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Illustration of a Blue-and-white Swallow (Pygochelidon cyanoleuca) egg, 16.6 × 12.2 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Pygochelidon cyanoleuca

  • 16.6 × 12.2 mm
  • Clutch: 2–4 eggs
Breeds in Central America (2 countries) and South America (11 countries)
show all 13Central America: Costa Rica, Panama
South America: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Uruguay, Venezuela

Pure white, glossy, unmarked.

Sources of information

Size
Average of 6 eggs: Skutch, A. F. 1960. Life histories of Central American birds II. Pacific Coast Avifauna 34., p. 279 (PDF 281).
Description
Skutch 1960, Pacific Coast Avifauna 34; supporting: Wetmore et al. 1984, Birds of Panama pt 4.
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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