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Illustration of a Black-and-white Owl (Strix nigrolineata) egg, 46.4 × 38.4 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Strix nigrolineata

  • 46.4 × 38.4 mm
Breeds in Mexico, Central America (7 countries) and South America (4 countries)
show all 12Mexico: Mexico
Central America: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama
South America: Colombia, Ecuador, Peru, Venezuela

Off-white, unmarked and non-glossy; elliptical.

Sources of information

Size
Average of 4 eggs: Gerhardt, R.P., Bonilla González, N., Gerhardt, D.M. & Flatten, C.J. 1994, Breeding biology and home range of two Ciccaba owls, Wilson Bulletin 106(4): 629-639.
Description
Gerhardt et al. 1994, Wilson Bulletin 106(4): 629-639.
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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