Hi there! My account

Eggs

Illustration of a Blue-black Grassquit (Volatinia jacarina) egg, 16.3 × 12.6 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Volatinia jacarina

  • 16.3 × 12.6 mm
  • Clutch: 2 eggs
Breeds in Mexico, Central America (7 countries), the Caribbean and South America (13 countries)
show all 23Mexico: Mexico
Central America: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
The Caribbean: Trinidad and Tobago, Caribbean islands
South America: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela

White or bluish white, moderately glossy, with small spots and some larger blotches of reddish and purplish brown, chiefly at the large end as a zone or cap.

Sources of information

Size
Average of 206 eggs: Oniki & Willis 1984, A study of breeding birds of the Belém area, Brazil: VII. Thraupidae to Fringillidae, Ciência e Cultura 36(1): 69–76, p. 74.
Description
Hellebrekers, W. P. J. 1942. Revision of the Penard oölogical collection from Surinam. Zool. Meded. 24; supporting: Wetmore, A. et al. 1984. The Birds of the Republic of Panamá, part 4; supporting: Carvalho, C. B. V., Macedo, R. H. & Graves, J. A. 2007. Condor 109.
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 12, p. 94.
Shape
Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).

Know something more about this egg, or spotted a mistake? Message us.

Make a 3D-printable copy of this eggSee posters with this egg →