The northern pig tailed macaque (Macaca leonina) is distributed throughout northeastern India. In India Pig tailed Macaque is found towards north of the Brahmaputra river.
- It is also found in Bherjan-Boraian-Padumoni Wildlife Sanctuary of Assam.
- Northern Pig-tailed Macaque (Macaca leonina) is a terrestrial species of primate. However, when needed, they can climb trees with ease.
- These primates suffer from habitat loss due to jhum, conversion of forests to tea, rubber & timber plantations, paper mills, and human settlements.
