Tonkean Macaque

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Tonkean Macaque

Distinguishing Characteristics

Tonkean macaques are dark brown to black, with prominent brownish gray to buff cheek tufts. Their large, buff rump patch contrasts with the darker body.

Physical Characteristics

Head and body length
- Male: 500-565mm (19.7-22.2in)
- Female: 575-675mm (22.6-26.6in)
- Male: 8.6kg (19.0lb)
- Female: 10.4kg (23.0lb)


Sulawesi (Indonesia)

Tropical rain forest that grows on the ultrabasic soil of northern Sulawesi.


NA. Tonkean macaques reportedly raid crops..


Diurnal, arboreal, and terrestrtial. Tonkean macaques Although nonaggressive intervention is uncommon, it is usually directed at juveniles and adult females, not adult males. Baring teech, a submissive signal in many other macaques, is used by Tonkean macaques as an affiliative signal and is used during play.