Longtailed Macaque

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Longtailed Macaque

Distinguishing Characteristics

The body of longtailed macaques varies from gray to reddish brown, with lighter underparts. The hair on the crown of the head grows directly backward, often resulting in a pointed crest. The face is pinkish. Males have cheek whiskers and a mustache; females have a beard. Infants are born black

Physical Characteristics

Head and body length
- Male: 385-503mm (15.2-19.8in)
- Female: 412-648mm (16.2-25.5in)
- Male: 2.5-5.7kg (5.5-12.6lb)
- Female: 4.7-8.3kg (10.4-18.3lb)


Southern Indochina, Burma, Indonesia, Philippines

Primary, secondary, coastal, mangrove, swamp, and riverine forest up to 2000m (6562ft). These macaques are tolerant of humans and may be found near villages.


Fruit, 64%; seeds, buds, leaves, other plant parts, and animal prey such as insects, frogs, and crabs. These macaques can be crop raiders.


Diurnal and arboreal. Longtailed macaques swim well and jump into water from nearby trees. The male dominance hierachy is less marked than in other macaques. High-ranking individuals lead the group. Tension after an aggressive interaction is indicated by increased levels of self-grooming, body shaking, and scratching. Tension-reducing reconciliation between individuals consists of the dominant one approaching with raised eye brows, while the opponent stares into the eye of the dominant, lip smacks, and touches the other's genitals.