The crested guan (Penelope purpurascens) is a Near Threatened species in an ancient group of birds of the family Cracidae, which are related to the Australasian megapodes or mound builders (Megapodiidae). It is found from central Mexico through Central America and in Colombia, Ecuador, Peru, and Venezuela.
Taxonomy and systematics
The crested guan has three subspecies, the nominate P. p. purpurascens (Wagler, 1830), P. p. aequatorialis (Salvadori & Festa, 1900), and P. p. brunnescens (Hellmayr & Conover, 1932).