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Eggs

Illustration of a Tawny-headed Swallow (Alopochelidon fucata) egg, 17.8 × 12.9 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Alopochelidon fucata

  • 17.8 × 12.9 mm
  • Clutch: 5–6 eggs
Breeds in Argentina, Bolivia, Brazil, Colombia, Guyana, Paraguay, Uruguay, Venezuela

Plain white, moderately glossy.

Sources of information

Size
Average of 14 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 10, p. 33.
Description
de la Peña 2025 (Aves Argentinas tomo 10); supporting: Oates & Reid 1903 (BM Egg Catalogue vol 3).
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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