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 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 was first described by its discoverers, Chinese primatologists Cheng Li, Chao Zhao, and Peng-Fei Fan, in the "American Journal of Primatology" in 2015. It is one of twenty-three extant species in the genus "Macaca", and the most recent to be formally described to science. While the species' exact conservation status has