Several enormous reticulated pythons rest inside the enclosure while the presenter explains why their size is so remarkable.

Add Yahoo as a preferred source to see more of our stories on Google. Reticulated pythons are the longest snakes in the world, capable of reaching 20 feet or more and weighing well over 200 pounds.

Jodie Foster, a 15-foot reticulated python at Chester Zoo, has made veterinary history after receiving electrochemotherapy ...