Florida scientists are using opossums to secretly track invasive Burmese pythons in the Everglades-and it's working.

We’re not putting these animals out there and in harm’s way. Harm’s way is there. We're just documenting what's happening"

Burmese pythons, one of the largest snake species in the world, could be the most destructive invasive animal in Florida Everglades history. They can swim, burrow and climb trees, and they eat almost anything, including prey much larger than themselves.