Herpetologist Shawn Heflick has a permit to hunt down Burmese pythons in the Everglades. He's carrying red water balloons because they make perfect targets for a striking snake. Check out the strike in slow motion!
Alligators were once the undisputed reptile kings of the Everglades. But who would win a battle now -- alligator or python? It all depends on which one is bigger. "Invasion of the Giant Pythons" premieres Sunday, February 21, 2010 on PBS.
