They compared these results with animal numbers tallied from 2003 through 2011, the time after which pythons became common. These numbers were also gleaned from more than 35,000 miles of road surveys.

Invasive Pythons Put Squeeze On Everglades' Animals Scientists are reporting that aliens are wiping out the animals in Florida's Everglades. The aliens are Burmese pythons from Asia.

Joseph Wasilewski, a wildlife biologist, captures a wild python on the side of the Tamiami Trail road that cuts through the Florida Everglades on Sept. 16, 2009. The number of invasive pythons in ...

Joseph Wasilewski, a wildlife biologist, captures a wild python on the side of the Tamiami Trail road that cuts through the Florida Everglades on Sept. 16, 2009. The number of invasive pythons in ...

A 12-foot (3.65m) Burmese python that was captured in the backyard of a home slithers on the ground at its new home at the A.D. Barnes Park 10 October 2005, in south Miami, FL.

Pythons are a variety of constrictor, which kill their prey by wrapping coils of their bodies around the prey and squeezing, according to the San Diego Zoo. The snake was being held at the store.

A professional snake handler from Sunshine Coast Snake Catchers in Australia arrived just in time to remove a coastal carpet python that had its sights set on a pet bird. The two animals were ...

And that woman called 911. Pythons are a variety of constrictor, which kill their prey by wrapping coils of its body around the prey and squeezing, according to the San Diego Zoo website.