Collared titi causes them to give alarm peeps, probably because they must be especially alert to predators. A margay was detected alongside a dead collared titi during recent censuses on the Purité River in Colombia, although the monkey was not freshly killed. The local group was no longer observed after this. The collared titi is not considered to be endangered, but where there are many colonists this primate tends to disappear, due to deforestation. The species is commonly hunted and eaten by indigenous peoples or used as bait for hunting larger carnivores or for fishing; however, where there is plenty of forest
Ornate titi thickets, tangles, thorny underbrushes and wet or even waterlogged areas. The ornate titi tends to sleep in vine tangles located on small branches of trees, generally preferring to be at least off of the ground. Like other members of the moloch group, the ornate titi is considered tolerant of seasonal flooding and disturbances within its habitat, and is commonly found living in areas of forest disturbed by humans, in particular thriving on highly disturbed habitats. However, due to the continuous expanding of human settlements and therefore declination of both the size and quality of the ornate titi’s habitat, the presence