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
Mario Titi style. He continued with the Vernissage in Paris, New York, Munich, Milan, Madrid and other cities of the world. In the 1970s he produced 120 "castings" inspired by the epic poem The "Divine Comedy". Mario Titi Mario Titi is a painter of the Roman and Castelli Romani artistic scene of the 20th century; his works are shown in churches and museums of the Lazio, and all over the world. The artist frequented from a young age the academy of Belle Arti of Rome, sticking to the futurist movement. He was a follower of Tato (Guglielmo Sansoni) and then of Pippo