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Illustration of a Yellow-bellied Siskin (Spinus xanthogastrus) egg, 17.3 × 12.7 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Spinus xanthogastrus

  • 17.3 × 12.7 mm (approx.)
Breeds in Costa Rica, Panama, Bolivia, Colombia, Ecuador, Peru, Venezuela

Pale green, speckled with deep reddish-brown over lilac, thickest at the broad end, glossless.

Sources of information

Size
Ogilvie-Grant, W. R. 1912. Catalogue of the Collection of Birds' Eggs in the British Museum, vol. 5. London.
Description
Ogilvie-Grant 1912 (BM Egg Catalogue vol 5).
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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