Crab-eating macaque Crab-eating macaque The crab-eating macaque ("Macaca fascicularis"), also known as the long-tailed macaque, is a cercopithecine primate native to Southeast Asia. It is referred to as the cynomolgus monkey in laboratories. It has a long history alongside humans; they have been alternately seen as agricultural pests, sacred animals in some temples, and more recently, the subject of medical experiments. The crab-eating macaque lives in matrilineal social groups with a female dominance hierarchy, and male members leave the group when they reach puberty. They are opportunistic omnivores and have been documented using tools to obtain food in Thailand and Myanmar. The
White-cheeked macaque not yet been determined, it is likely threatened by poaching, deforestation, and increased human development of its habitat, much like the other primates which inhabit the area. The white-cheeked macaque was discovered and described in 2015, making it one of the most recently discovered mammals and one of the most recently discovered primates. While specimens of the creature had been observed and known for many years prior, they were believed to be members of the species "Macaca assamensis", the Assam macaque. After footage captured on a series camera traps in Tibet revealed numerous physical differences between the Assam macaque and