Formosan rock macaque of feeding macaques (in parks, along roadsides), particularly on the west coast, which increases their interaction and incidents with humans. Recent efforts by the government have tried to stop this behaviour, with mixed results. Formosan rock macaque The Formosan rock macaque ("Macaca cyclopis"), Formosan rock monkey, or Taiwanese macaque, is a macaque endemic to the island of Taiwan and has been introduced to Japan. Besides humans, Formosan rock macaques are the only native primates living in Taiwan. Rock macaques measure 50–60 cm and weigh 5–12 kg, generally females are smaller. Their tails are moderately long and measure 26–45 cm. This
White-cheeked macaque "Macaca". In terms of outward appearance, it closely resembles the Assam macaque, which is one of the reasons the two were believed to be the same species until recently. The main differences between the two include the presence of white, elongated whiskers on the face of the white-cheeked macaque, which are absent from other species. The whiskers begin to grow as the creatures approach sexual maturity, and eventually cover the whole face, giving the animals a rounded facial appearance. The white-cheeked macaque also grows dense hair along its neck, while not growing any hair along its short tail. Additionally, there