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Illustration of a Black-billed Thrush (Turdus ignobilis) egg, 29.1 × 20.4 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Turdus ignobilis

  • 29.1 × 20.4 mm (estimated)
  • Speculative: we haven't found documented measurements of this egg yet, so we estimated its size from related birds.
Breeds in Bolivia, Brazil, Colombia, Ecuador, Peru, Venezuela

Grey-blue to blue-green, spotted more or less all over with brown, red-brown and lilac-grey, darker at the blunt end; slightly glossy.

Sources of information

Size
Estimated, no measurements found: the median length and width of measured eggs of the same genus: Turdus albicollis, Turdus amaurochalinus, Turdus assimilis, Turdus aurantius, Turdus chiguanco ….
Description
Penard, F. P. & A. P. Penard 1910. De vogels van Guyana (Suriname, Cayenne en Demerara), deel 2. Paramaribo., p. 547.
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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