White-winged Guan Penelope albipennis
Version: 1.0 — Published June 3, 2011
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The breeding season of White-winged Guan normally occurs between November and May. This overlaps with the rainy season, when the supply of resources (cover, food, and water) is much greater than in the dry season. Pairs typically have one clutch (exceptionally two) per year. In very dry years, pairs may not breed at all.
The nest is constructed about 2.5 m above ground in a vine-covered trees and is about 30 cm across and about 20-25 cm deep (Williams 1980). It is composed of twigs and leaves (Williams 1980).
Typical clutch size is of two eggs, but can be of one or three. Eggs are white or whitish, with no marks. Mean dimensions of the eggs are 7.6 x 5.2 cm. Incubation lasts 30-31 days, and is done almost exclusively by females.