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Illustration of a Lesser Swallow-tailed Swift (Panyptila cayennensis) egg, 20.52 × 12.4 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Panyptila cayennensis

  • 20.52 × 12.4 mm
  • Clutch: 3 eggs
Breeds in Mexico, Central America (7 countries), Trinidad and Tobago and South America (9 countries)
show all 18Mexico: Mexico
Central America: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
The Caribbean: Trinidad and Tobago
South America: Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela

White with faint gloss or glossless, very long elliptical.

Sources of information

Size
Average of 6 eggs: Wetmore, A. 1968. The birds of the Republic of Panamá, part 2. Smithsonian Miscellaneous Collections 150(2)., p. 246.
Agrees with: Hellebrekers, W. P. J. 1942. Revision of the Penard oölogical collection from Surinam. Zoologische Mededelingen 24: 240–275., p. 254.
Description
Hellebrekers 1942 (Zool. Meded. 24).
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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