Rio Mayo titi this species to survive, their forests need to be protected to avoid overpopulation. Different conservation groups are working to help "P. oenanthe" survive. Neotropical Primate Conservation, Proyecto Mono Tocón and Amazónicos para la Amazonia are working in the more southern areas to protect the monkey. The Rio Mayo titi is a fairly inconspicuous creature, making observation and research difficult to obtain. Therefore, the traditional use of transect observation to monitor the monkey's population, is less effective. Instead, other methods of calculating the titi monkey's density in certain areas have been taken, such as research into the species-specific calls endemic to
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