Hi there! My account

Eggs

Illustration of a Blue-and-yellow Tanager (Rauenia bonariensis) egg, 26 × 17.5 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Rauenia bonariensis

  • 26 × 17.5 mm
  • Clutch: 3 eggs
Breeds in Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay, Peru, Uruguay

Pale greenish white, with dark brown and grey spots, small blotches and short streaks, more at the large end.

Sources of information

Size
Average of 8 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. 285.
Description
de la Peña 2025 (Aves Argentinas tomo 12).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 12, p. 285.
Shape
Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).

Know something more about this egg, or spotted a mistake? Message us.

Make a 3D-printable copy of this egg