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Illustration of a Black-faced Grosbeak (Caryothraustes poliogaster) egg, 26.3 × 17 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Caryothraustes poliogaster

  • 26.3 × 17 mm
  • Clutch: 3 eggs
Breeds in Mexico, Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama

Dull white, mottled and spotted with bright shades of brown, especially at the thicker end.

Sources of information

Size
Skutch, A. F. 1972 (Publ. Nuttall Orn. Club 10: 211–218), quoted in Wetmore, A., R. F. Pasquier & S. L. Olson 1984. The birds of the Republic of Panamá, part 4. Smithsonian Miscellaneous Collections 150(4)., p. 543.
Description
Wetmore et al. 1984 (Birds of Panama pt 4).
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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