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 The ornate titi is monogamous, and their upbringing is entirely paternal, only ever being passed to the mother to be fed. with the birth season being from December to March, with the smallest infants being born in December to January. The average gestation period for an ornate titi is 128 days (4.2) months, and there have been observations that, during lactation, female titis tend to increase the amount of protein in their diet (Primarily by eating more insects). Some conservation efforts within Colombia have been made, since the species occurs in La Macarena National Park and Tinigua National Park, and