Rio Mayo titi in deforestation is leading to the decrease in available living space for this titi monkey, forcing it to live in sympatry with another species of "Callicebus". Yet in some areas, such drastic deforestation has resulted in extremely high population density. The Rio Mayo titi is better adapted to moderately populated areas, thus overpopulation negatively impacts the species. The forests the Rio Mayo titi lives in are being destroyed for agricultural purposes, leaving little forest for the monkeys. They were only seen a few times and featured in museums until 2003 when more research was done on them. In order for
Mengkuang Titi the big towns such as Bukit Mertajam, Butterworth, George Town and industrial parks such as Kulim Hi-Tech Park, Prai Industrial Estate and Bayan Baru Technology Park Most of the villagers are practicing the traditional Malay culture with mixture from minority of Chinese and Indians. Traditional Malay games are also promoted at Mengkuang Titi. These include top spinning, or gasing, bola sepak sarung and sepak raga, played by the men and congkak by the women. Mengkuang Titi is the best place to try the Malay Traditional food such as bahulu, kuih bangkit or coconut Cookies, satay and various of traditional snacks.