Ornate titi although some populations have been observed in protected areas, guerilla activity makes it difficult to monitor. Ornate titi The ornate titi ("Plecturocebus ornatus") is a species of titi and is the smallest member of the family Pitheciidae, which also includes uakaris and saki monkeys. As it is a member of this family, it is classified as a type of New World monkey. It is endemic to eastern Colombia, and the only member of the "Plecturocebus moloch" group to occur north of the Rios Amazonas/Solimes/Napo axis, living at least 350 km away from the closest other member, the white-tailed titi ("Plecturocebus
Collared titi is found west of the Río Purús to the Yavarí River. The collared titi is seen most frequently in well-developed, tall forest with a closed canopy, usually over terra firme, but not exclusively so. The species also enters extensive várzea forest, especially if the forest is tall and well-developed. Such várzea forest contrasts with the habitat needs of the coppery titi, which also uses várzea forest and more commonly so. But the coppery titi survives in low, vine-covered, "poor" forest where the collared titi is rarely found. It is also known from some gallery forest, north of the Vichada River,