Biologist Michael Dorcas found that wildlife populations in the Florida Everglades have greatly diminished, most likely due to predation by non-native pythons. Raccoons, possums, white-tailed deer and bobcats have decreased between 87% and 99% since the 1990s, Dorcas found. While officials think the government's recent ban on importing pythons is too late to help the Everglades, it may help prevent the species from gaining a foothold in other southern states.

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