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Illustration of a Scissor-tailed Nightjar (Hydropsalis torquata) egg, 28.3 × 21.7 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Hydropsalis torquata

  • 28.3 × 21.7 mm (approx.)
Breeds in Argentina, Bolivia, Brazil, Paraguay, Peru, Suriname, Uruguay

Cream, covered with fine brown and grey squiggly lines and specks, a few grey clouds; slight gloss.

Sources of information

Size
Oates, E. W. & S. G. Reid 1903. Catalogue of the Collection of Birds' Eggs in the British Museum, vol. 3. London.
Description
Oates & Reid 1903 (BM Egg Catalogue vol 3), p. 60; supporting: Nehrkorn 1899 (Katalog der Eiersammlung).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 3, p. 38.
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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