Kalil once saw a ball python — a different species — get dumped at the entrance to the park. She took it home, named it Benny and now swims with the 5½-foot python in the lake behind her home. Genetic ...

No one knows how many of these giant snakes now infest south Florida, but estimates range from 100,000 to more than a million, said Kevin Donmoyer, an invasive-species biologist at Everglades National ...