Are Florida's invasive Burmese pythons are more active in warmer months? Signs show signs of cold tolerance, potentially spreading north.

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

Some of Florida’s opossums may soon start dying for a noble cause. A few select marsupials fitted with tracking collars may begin to lead scientists to invasive Burmese pythons (Python bivittatus) slithering through the Everglades.

Carl Jackson caught a nearly 17-ft long Burmese python weighing over 200lbs as part of an effort to rid Florida of the invasive snake.