The pig-tailed macaque is a rare primate of the Southeast Asia. It is characterised by its short tail that is carried half-erect and somewhat resembles a pig’s, hence its common name. Macaques are medium to large sized monkeys with stout bodies. This species has a brown coat with a lighter underside and its legs are long and strong. The muzzle is long and lacks hair though males have mane-like hairs surrounding the face, giving them a majestic appearance . When females are receptive to mating they develop large swellings on the rump. Adult females can also be identified because they are around half the size of males.
Behaviour and Ecology : Diurnal and predominantly terrestrial though they spend some time in the tress. The pig-tailed macaque spends more time on the forest floor and in the open then other macaque. Its has cheek pouches to carry food while it forages, and often returns to the safety af the tresss to feed. They are social primate and live in he group size of 5-40 (average 15-22) individuals, though the group splits into smaller units to forage .Females remain in their natal group, and males will disperse shortly before their reach sexual maturity.
Habitat : Lowland primary and secondary forest, as well as coastal, swamp and montane forest. They prefer dense rainforest but are very adaptable to agricultural land.
Pig-tailed macaque range.
This species is found in Brunei, Indonesia (Bangka, Kalimantan Borneo, and Sumatra), Malaysia (Sarawak and Sabah Borneo, plus the Malay peninsula), and southern Thailand, with introduced populations on Singapore and in the Natuna Islands.