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Illustration of a Dark-billed Cuckoo (Coccyzus melacoryphus) egg, 30.2 × 22.8 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Coccyzus melacoryphus

  • 30.2 × 22.8 mm
  • Clutch: 3 eggs
Breeds in Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Uruguay, Venezuela

Pale green to greenish blue, unmarked and glossless.

Sources of information

Size
Average of 25 eggs: Schönwetter, M. 1960–1992. Handbuch der Oologie (ed. W. Meise), Lieferung 10. Akademie-Verlag, Berlin., p. 590.
Description
Hellebrekers, W.P.J. 1942. Revision of the Penard oölogical collection from Surinam. Zoologische Mededelingen 24 (South Brazil).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 2, p. 140.
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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