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Illustration of a Creamy-rumped Miner (Geositta isabellina) egg, 24.6 × 17.9 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Geositta isabellina

  • 24.6 × 17.9 mm (estimated)
  • Speculative: we haven't found documented measurements of this egg yet, so we estimated its size from related birds.
Breeds in Argentina, Chile

White, like the Common Miner's but larger.

Sources of information

Size
Estimated, no measurements found: the median length and width of measured eggs of the same genus: Geositta antarctica, Geositta cunicularia, Geositta maritima, Geositta peruviana, Geositta punensis ….
Description
Zyskowski 2000, Phylogenetic analysis of nest architecture of the Neotropical ovenbirds (Furnariidae) and Passeriformes, PhD dissertation, University of Kansas, PDF p. 17.
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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