Tens of thousands of invasive Burmese pythons live in Florida. Where, how far they've spread

Burmese pythons may be the most destructive foreign animal in Florida Everglades history.

The invasive snake was first recorded in the Everglades National Park in 1979 and quickly put a stranglehold on Florida's wildlife. Burmese pythons can swim, burrow and climb trees, and they eat almost anything.

They've contributed to the decline...