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Illustration of a Yellow-billed Cacique (Amblycercus holosericeus) egg, 29.18 × 19.04 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Amblycercus holosericeus

  • 29.18 × 19.04 mm
  • Clutch: 2 eggs
Breeds in Mexico, Central America (7 countries) and South America (5 countries)
show all 13Mexico: Mexico
Central America: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
South America: Bolivia, Colombia, Ecuador, Peru, Venezuela

Pale blue with a wreath of black spots, some heavy and some fine, around the thicker end; occasionally fine black scratches.

Sources of information

Size
Average of 5 eggs: Skutch, A. F. 1954. Life histories of Central American birds. Pacific Coast Avifauna 31., p. 284.
Agrees with: G. R. Meyer, 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. 355.
Description
Skutch, A. F. 1954. Life Histories of Central American Birds. Pacific Coast Avifauna 31.
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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