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Illustration of an Andean Slaty Thrush (Turdus nigriceps) egg, 28.38 × 20.41 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Turdus nigriceps

  • 28.38 × 20.41 mm
  • Clutch: 2–3 eggs
Breeds in Argentina, Bolivia, Ecuador, Peru

Bluish white, covered in cinnamon, brown and grey dots and small blotches, concentrated at the larger end.

Sources of information

Size
Average of 3 eggs: Stoddard, M. C., et al. 2017. Avian egg shape: form, function, and evolution. Science 356: 1249-1254 (Data S1, MVZ egg collection).
Description
de la Peña 2025 (Aves Argentinas tomo 10).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 10, p. 157.
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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