Four others — the reticulated python, Deschauensee's anaconda, green anaconda and Beni anaconda — are considered medium risk to ecosystems.

Researchers in the Amazon have discovered the world's largest snake species - an enormous green anaconda - in Ecuador's rainforest that split off from its closest relatives 10 million years ago ...

Burmese pythons pose a huge threat to native species in the Florida Everglades. Officials have used creative methods to ...

The 1997 movie “ Anaconda,” starring a then-unknown Jennifer Lopez, was also about a snake that killed humans, except it wasn't a Burmese python.