Feral rhesus macaque

Feral rhesus macaques are wild troupes of the rhesus macaque (Macaca mulatta) released by researchers, zoos, or private owners, that have been able to survive and propagate in several places in the United States.
Florida
Various colonies of rhesus and other monkey species, such as common squirrel monkeys and vervet monkeys, have been found in Florida. They are thought to have gained freedom after zoo and wildlife park facilities were destroyed in hurricanes, most notably Hurricane Andrew.
A 2020 estimate put the number at 550-600 rhesus macaques living in the state; officials have caught more than 1000 of the monkeys in the past decade. Most of the captured monkeys tested positive for herpes B virus. Wildlife officials consider the animals a public health hazard.
Silver Springs State Park
A colony of rhesus macaques was established around Silver Springs in Florida around the spring of 1938. The monkeys were released by tour boat operator Colonel Tooey to enhance his Jungle Cruise ride. A traditional story that the monkeys were released for scenery enhancement in the Tarzan movies that were filmed at that location is false, as the only Tarzan movie filmed in the area, 1939's ' contains no rhesus macaques, in part because of the species' bad temperament. The monkeys continue to thrive along the Silver River to this day.
Tampa Bay
The "Mystery Monkey of Tampa Bay" is a rhesus macaque that was on the loose and evading capture for approximately four years in St. Petersburg, Florida. The monkey is thought to be a male that weighs .
Authorities are not certain of the origin of this monkey; it may have migrated from the troupe of wild monkeys in Silver Springs State Park, approximately 103 miles northeast of St. Petersburg. It may have escaped from an owner who did not have a wildlife permit and had not registered the monkey. Its continued success at avoiding capture was compared to the TV series . The monkey reportedly looks both ways to check for traffic before crossing the street.
The captured monkey was put in Dade City's Wild Things in Pasco County, Florida.
South Carolina
There is a notable colony of rhesus macaques on Morgan Island, one of the Sea Islands in the South Carolina Lowcountry. They were imported in the 1970s for use in the local labs and now number approximately 3000.
Puerto Rico
A research colony was established by the Caribbean Primate Research Center of the University of Puerto Rico on the island of Cayo Santiago, off of Puerto Rico. There are no predators on the island, and humans are not permitted to land, except as part of the research program.
Another research colony was released into the Desecheo National Wildlife Refuge in 1966. This was recognized as a mistake by 1970. they are continuing to do ecological harm, damage crops amounting to $300,000/year and cost $1,000,000/year to manage.<ref name="UFLIFASEDIS" />

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