Rhesus macaque Rhesus macaque The rhesus macaque ("Macaca mulatta") is one of the best-known species of Old World monkeys. It is listed as Least Concern in the IUCN Red List of Threatened Species in view of its wide distribution, presumed large population, and its tolerance of a broad range of habitats. Native to South, Central, and Southeast Asia, rhesus macaque have the widest geographic ranges of any nonhuman primate, occupying a great diversity of altitudes and a great variety of habitats, from grasslands to arid and forested areas, but also close to human settlements. The rhesus macaque is brown or grey in
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