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Eggs

Illustration of a Dark-throated Seedeater (Sporophila ruficollis) egg, 16 × 12.5 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Sporophila ruficollis

  • 16 × 12.5 mm
  • Clutch: 3 eggs
Breeds in Argentina, Bolivia, Brazil, Paraguay, Uruguay

Pale bluish white, with black, ochre and grey spots all over, most at the larger end.

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. 127.
Description
de la Peña 2025 (Aves Argentinas tomo 12).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 12, p. 127.
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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