Celebes crested macaque are nursed for approximately one year, becoming fully mature in three to four years, females somewhat sooner than males. Because it devastates crops and fields, the Celebes crested macaque is hunted as a pest. It is also hunted to provide bushmeat. Clearing the rain forests further threatens its survival. Its situation on the small neighbouring islands of Sulawesi (such as Bacan) is somewhat better, since these have a low human population. The total population of the macaque on Sulawesi is estimated at 4,000–6,000, while a booming population of up to 100,000 monkeys is found on Bacan. A series of survey
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.