Skip to content
Illustration of a Shining Sunbeam (Aglaeactis cupripennis) egg, 13.5 × 8.9 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Aglaeactis cupripennis

  • 13.5 × 8.9 mm (estimated)
  • Speculative: we haven't found documented measurements of this egg yet, so we estimated its size from related birds.
  • Clutch: 2 eggs
Breeds in Colombia, Ecuador, Peru

Plain white, unmarked.

Sources of information

Size
Estimated, no measurements found: the median length and width of measured eggs of the same family: Adelomyia melanogenys, Amazilia tzacatl, Amazilia yucatanensis, Anthracothorax dominicus, Anthracothorax mango ….
Description
Schuchmann & Boesman 2020, Shining Sunbeam, Birds of the World (Cornell Lab), doi:10.2173/bow.shisun1.01 (quoted on Wikipedia 'Shining sunbeam').
Clutch
Cornell Lab of Ornithology, All About Birds.
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.