=316 Also referenced as Presbytis pileata and Semnopithecus pileatus

=316 Also referenced as Presbytis pileata and Semnopithecus pileatus

Predation on capped langurs (Presbytis pileata) by cooperatively hunting jackals (Canis aureus).

Here the monkeys are divided into two categories: the macaque rhesus and the presbytis entellus.

Social behavior of langur monkeys (Presbytis entellus) in a high altitude environment.

It is also home to a rich array of biodiversity and is notably a key conservation site for the critically endangered Raffles’ Banded Langur (Presbytis femoralis femoralis).

Four of six endemic primates in Java, namely Javan Lutung (Trachypithecus auratus), the crab-eating Macaque (Macaca fascicularis), Javan Surili (Presbytis comata), and kukang (Nycticebus sp.), have been reported to live on the island.

The four countries in the study are home to 65 percent of the world’s primate species, including this red leaf monkey (Presbytis rubicunda), found in Indonesian and Malaysian Borneo.