March 23, 2010 11:49 PM

What killed many of Florida's problem snakes? Winter

Winter walloped the Burmese python, but not enough to wipe out the most infamous invader of the Everglades, scientists and wildlife managers told a congressional panel assessing efforts to control the exotic snakes. Still, nine of 10 pythons equipped with radio tracers in Everglades National Park died in the cold snap, according to one yet-to-be published study.

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