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Illustration of a Long-tailed Potoo (Nyctibius aethereus) egg, 33 × 23 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Nyctibius aethereus

  • 33 × 23 mm (approx.)
Breeds in South America (11 countries)
show all 11South America: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Venezuela

Dull white, finely spotted greyish brown and lilac grey, more on the larger end; paler than Great Potoo.

Sources of information

Size
Nehrkorn, A. 1899. Katalog der Eiersammlung nebst Beschreibungen der aussereuropäischen Eier. Braunschweig.
Description
Nehrkorn 1899 (Katalog der Eiersammlung).
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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