The tailless Hoolock Gibbon is the only ape found in India.
The primate is native to eastern Bangladesh, Northeast India and Southwest China.
The Hoolock Gibbon is categorised into two types:
Western hoolock gibbon:
It inhibits in all the states of the north-east, restricted between the south of the Brahmaputra river and east of the Dibang river. And outside India, it is found in eastern Bangladesh and north-west Myanmar.