A gibbon of forests in northeastern India and nearby areas; males and females have different coat colors.
Both sexes have a black face. Males have dark fur and a single white brow line, while adult females have lighter buff-to-gray coats.
It prefers dense evergreen or semi-evergreen forest and eats many fruits. Its diet varies by place, and leaves are the main food in some study areas.
An extinction-risk assessment has not been added yet.