<P> 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 . </P> <P> 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 . </P>

Where did the monkeys in ocala come from