White-tailed titi monkey

White-tailed titi monkey (Plecturocebus leucometopus) is a titi monkey in the genus Plecturocebus, family Pitheciidae, the New World monkeys that also include the other titis, the sakis and the uakaris. The Mammal Diversity Database credits the species name to (Cabrera, 1900) and lists its country distribution as Colombia, Ecuador and Peru. The English Wikipedia article calls it the white-tailed titi monkey and uses the name Plecturocebus discolor, and it describes the species as found in Colombia, Ecuador and Peru, described in 1848 as Callithrix discolor. The Mammal Diversity Database treats the name discolor as a synonym of the coppery titi and applies the name leucometopus, from Cabrera in 1900, to this species; its type locality is near the junction of the Río Aguarico in northeast Ecuador. The database also lists the names red titi monkey and white-tailed titi for it. The Mammal Diversity Database gives its IUCN Red List status as Not Evaluated.