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Eggs

Illustration of a Black-and-rufous Warbling Finch (Poospiza nigrorufa) egg, 19.7 × 15 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Poospiza nigrorufa

  • 19.7 × 15 mm
  • Clutch: 3–4 eggs
Breeds in Argentina, Brazil, Uruguay

Pale grey-green, with black, brown and grey spots, small blotches and a few lines.

Sources of information

Size
Average of 5 eggs: de la Peña, M. R. 2025. Aves Argentinas: descripción, comportamiento, reproducción y distribución. Comunicaciones del Museo Provincial de Ciencias Naturales "Florentino Ameghino" (Nueva Serie). Santa Fe., tomo 12, p. 203.
Description
de la Peña 2025 (Aves Argentinas tomo 12).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 12, p. 203.
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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