The white-crested guan (Penelope pileata) is a species of bird in the Cracidae family, the chachalacas, guans, and curassows. It is found only in regions of the southeast Amazon basin of Brazil. The species is restricted to the southern riverbank of the Amazon River; also eastwards, the south bank of the Pará River south of Marajó Island at the Amazon River's outlet. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat destruction and in 2012, the species was recategorised by the International Union for Conservation of Nature, its conservation status being raised to vulnerable.