In the Everglades National Park, a study from University of Florida and U.S. Geological Survey researchers found 80% of rabbits war eaten by Burmese pythons. After a year later, there were no rabbits found in that same area showing evidence that Burmese pythons and other mid-sized animals in the park are the dominant predator that could be upsetting the balance of the ecosystem. This study supports that Burmese pythons are the problem towards the reduce number of rabbits in the area and the decline towards other mammals that are medium size in the area. Scientists knew these pythons prey on native Everglades mammals but never thought they could cause a decrease or local extinction to these mammals.
Burmese pythons are an invasive species that have been found in the Everglades because people would buy them as pets and then release them into the wild when they were getting too big.