Assam macaque 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 ears. The hair on the crown is parted in the middle. The shoulders, head and arms tend to be paler
White-cheeked macaque is a distinct difference in the shapes of the genitalia of the two species; contrary to the arrow-shaped structure present in the Assam macaque, the white-cheeked macaque displays a more rounded structure. This was one of the main characteristics that allowed scientists to realize they were dealing with a new species. White-cheeked macaque The white-cheeked macaque ("Macaca leucogenys") is a species of macaque found only in Mêdog County in southeastern Tibet and Arunachal Pradesh in northeastern India. The white-cheeked macaque lives in forest habitats, from tropical forests to primary and secondary evergreen broad-leaved forests and mixed broadleaf-conifer forests. The species