Skip to content
Illustration of a Costa Rican Brushfinch (Arremon costaricensis) egg, 25.5 × 18.5 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Arremon costaricensis

  • 25.5 × 18.5 mm
  • Speculative: we haven't found a documented description of this egg yet, so we estimated its colours and markings from related birds.
  • Clutch: 2 eggs
Breeds in Costa Rica, Panama

No documented description found yet; drawn like the White-browed Brushfinch egg (same genus).

Sources of information

Size
Average of 20 eggs: Skutch, A. F. 1954. Life histories of Central American birds. Pacific Coast Avifauna 31., p. 91.
Description
Estimated, no description found: drawn like a related egg (White-browed Brushfinch).
Shape
Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).

Have you seen this egg, or know a description or measurements of it? Message us.