Formosan rock macaque 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 macaque is brown or gray in color. Like all other macaques, it has specialized pouch-like cheeks, allowing it to temporarily hoard its food. The gathered morsels are eaten sometime later, in safe surroundings. Among
Japanese macaque The macaque has other unusual behaviours, including bathing together in hot springs and rolling snowballs for fun. Also, in recent studies, the Japanese macaque has been found to develop different accents, like humans. Macaques in areas separated by only a few hundred miles can have very different pitches in their calls, their form of communication. The Japanese macaque has been involved in many studies concerning neuroscience and also is used in drug testing. The Japanese macaque is diurnal. In colder areas, from autumn to early winter, macaques feed in between different activities. In the winter, macaques have two to four