New Distribution Records for<i>Hoolock leuconedys</i>in India

Abstract

The western hoolock gibbon (Hoolock hoolock) occurs in India (south of the southern bank of the River DibangBrahmaputra in the seven northeastern states), Bangladesh and Myanmar. The eastern hoolock gibbon (Hoolock leuconedys) is restricted to the state of Arunachal Pradesh in northeast India, and occurs also in Myanmar and China. Here we report new information that extends the known range of the eastern hoolock gibbon in India. Hoolock leuconedys was found in Koraonu circle in the lower Dibang Valley district beyond its previously known range in the Lohit district.