Sickle-winged guan
The sickle-winged guan is a species of bird in the family Cracidae.
It is found in Bolivia, Colombia, Ecuador, and Peru. Its natural habitat is subtropical or tropical moist montane forest. In Ecuador, it is noted that the guans from the Eastern slope, at 61–63.5 cm, were much larger than birds from the Western Andean slope, at 51–54.5 cm.