Like most macaques, this species is highly social.

Subspecies
Two subspecies.

Life span
The lifespan of the Assamese macaque is unknown.

Statistics
Body length: 50-73cm, Tail length: 19-38cm, Weight: Male 10-14.5kg, Female 8-12kg.

Physical description
Assamese macaques have a yellowish to dark brown coat. The face is hairless and the skin is red in adults.

Distribution
They inhabit Nepal to Vietnam and Southern China.

Habitat
They prefer mountain, evergreen, bamboo and deciduous dry forest at 300-3500m.

Diet
Assamese macaques feed on fruits, leaves, invertebrates and cereals.

Behaviour
This species lives in multi-male, multi-female groups of 10-50 individuals. They are diurnal, and spend time on the ground and in the trees.

Reproduction
After a gestation period of 165 days, females give birth to one young, which weighs about 400g at birth.

Conservation status
Assamese macaques are classified as Vulnerable by the 2000 IUCN Red List.