Assam macaque occurrence. For the populations in India, the species is listed under Schedule II, part I of the Indian Wildlife Act. Assam macaque The Assam macaque ("Macaca assamensis") is a macaque of the Old World monkey family native to South and Southeast Asia. Since 2008, the species has been listed as Near Threatened by IUCN, as it is experiencing significant declines due to hunting, habitat degradation and fragmentation. The Assam macaque has a yellowish-grey to dark brown pelage. The facial skin is dark brownish to purplish. The head has a dark fringe of hair on the cheeks directed backwards to the
Crab-eating macaque durians such as "Durio graveolens" and "D. zibethinus", and are a major seed disperor for the latter species. Although the species is ecologically well-adapted and poses no threat to population stability of prey species in its native range, in areas where the crab-eating macaque is not native, it can pose a substantial threat to biodiversity. Some believe the crab-eating macaque is responsible for the extinction of forest birds by threatening critical breeding areas as well as eating the eggs and chicks of endangered forest birds. The crab-eating macaque can become a synanthrope, living off human resources. They are known to