Scientists in Bangladesh have documented a 10-foot-long Burmese python swallowing alive a reticulated python, an unprecedented encounter involving two of the world’s largest snake species.

The scientists studied three adult female Burmese pythons. As one of those snakes was ingesting a 77-pound white-tailed deer, they discovered the deer was 66.9% of the snake’s mass.

Here's a look at the gruesome ways pythons take down their prey, from rats and mice to spotted deer and crocodiles. See photos of the snakes in action.

To a hungry python, no meal is too big. That's what wildlife officials in the Florida Everglades discovered last week when they came across a giant python that had just swallowed an entire adult deer.

Wildlife researchers at the Akiz Wildlife Farm in Chittagong spotted the Burmese python coiling tightly around the other snake and swallowing it up from its tail. It took the python about two hours to ...