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
Japanese macaque Japanese macaque is very familiar in Japan, so when Japanese people simply say "saru", they usually have in mind the Japanese macaque. The Japanese macaque is sexually dimorphic. Males weigh on average , while females average . Macaques from colder areas tend to weigh more than ones from warmer areas. Male average height is and female average height is . Their brain size is about . Japanese macaques have short stumps for tails that average in males and in females. The macaque has a pinkish face and posterior. The rest of its body is covered in brown or greyish hair.