Hi there! My account

Eggs

Illustration of a Great Potoo (Nyctibius grandis) egg, 52.1 × 38.3 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Nyctibius grandis

  • 52.1 × 38.3 mm
  • Clutch: 1 egg
Breeds in Mexico, Central America (6 countries) and South America (10 countries)
show all 17Mexico: Mexico
Central America: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama
South America: Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Venezuela

White without gloss, spotted dark brown to lilac-grey (spots up to 3 mm), most abundant on the larger end; elliptical.

Sources of information

Size
Wetmore, A. 1968. The birds of the Republic of Panamá. Part 2. Columbidae (pigeons) to Picidae (woodpeckers). Smithsonian Miscellaneous Collections 150(2)., p. 190 (printed page inferred from scan position, i.e. search-index leaf minus 12; read via archive.org page OCR).
Agrees with: Sick, H. 1951. [Great Potoo observations], Vogelwelt 1951: 42-43 (as cited by Wetmore; not read directly)., pp. 42-43.
Description
Wetmore 1968, The Birds of the Republic of Panama, Part 2 (Smithsonian Misc. Coll. 150).
Shape
Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).

Know something more about this egg, or spotted a mistake? Message us.

Make a 3D-printable copy of this egg