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
Feral rhesus macaque Feral rhesus macaque Feral rhesus macaques are wild troupes of the rhesus macaque released by researchers, zoos, or private owners, that have been able to survive and propagate in several places in the United States. A research colony was established by the Caribbean Primate Research Center of the University of Puerto Rico on the island of Cayo Santiago, off Puerto Rico. There are no predators on the island, and humans are not permitted to land, except as part of the research program. A colony of rhesus macaques was established around Silver Springs in Florida around the spring of 1938. The