Southern pig-tailed macaque Southern pig-tailed macaque The southern pig-tailed macaque ("Macaca nemestrina"), also known as the Sundaland pigtail macaque and Sunda pig-tailed macaque, is a medium-sized macaque that lives in southern Thailand, Malaysia, and Indonesia. It is known locally as the beruk. The species epithet, "nemestrina", is an adjective (derived from Latin "Nemestrinus", the god of groves) modified to agree in gender with the feminine generic name. "Macaca nemestrina" formerly included the northern pig-tailed, Pagai Island, and Siberut macaques as subspecies. All four are now considered separate species. "Macaca nemestrina" can reach a weight of 5–15 kg in large males. These monkeys are
Stump-tailed macaque southern China into the northwest tip of West Malaysia on the Malay Peninsula. It is also found in Burma, Thailand, Laos, Cambodia and Vietnam. It is possibly extinct from Bangladesh. A study population was introduced to Tanaxpillo, an uninhabited island in Lake Catemaco, Veracruz, Mexico in 1974, where it ranges in seminatural conditions. Most information on the species comes from the introduced population on Tanaxpillo and other captive settings, as few long-term studies have been conducted on the stump-tailed macaque in the wild. Stump-tailed macaque The stump-tailed macaque ("Macaca arctoides"), also called the bear macaque, is a species of macaque