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
Mengkuang Titi People of Mengkuang Titi used to grow rubber, paddy, coconut and oil palm, but now the most of the land was replaced by housing. The only plantation can be found now is oil palm estate. The vegetable crops such as onion, cauliflower, maize etc. was introduce to the village. Mengkuang Titi is one of the village in Penang on the Homestay Programme. There is indeed much to see and do in the kampung. One can walk through a canopy of rubber trees, try a hand at rubber tapping and observe how latex is processed into rubber sheets. Visitors can also