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MIAMI (CBSMiami) — A kayaker found a 9-foot Burmese Python sunning on a platform more than a half mile offshore in Biscayne Bay – a first for Biscayne National Park.

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It’s also another sign that the “state’s out-of-control pythons” are getting more adept to inhabiting Florida’s salty fringes.

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A University of Florida wildlife biologist says the sighting confirms pythons are equally comfortable in open water as they are in freshwater marshes and mangroves.

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In September, state wildlife biologists confirmed for the first time that pythons are breeding in the Florida Keys.