Green anacondas can grow to almost 9m in length and weigh more than 250kg – that's about the weight of a male grizzly bear.

The newly named northern green anaconda or Eunectes akayima is reportedly the largest in the world, capable of exceeding lengths of 20 feet — with anecdotal reports of serpents measuring 25 feet long.

A giant anaconda species captured recently in the Amazon of Ecuador by a team of scientists is the largest to ever be documented, USA TODAY previously reported, and now, there are images showing just ...

The green anaconda, an aquatic snake often found in South America's Amazon region, is the largest of its kind — measuring nearly 21 feet in length, according to experts. Now, the snake behemoth has ...

Anacondas rank high among the most frightening reptiles that exist on planet Earth; they are esteemed for their massive size and sly method of hunting.

The motion of snakes has long fascinated humans: they undulate, they sidewind, they crawl, they even fly. Together with herpetologists, researchers in the Harvard John A. Paulson School of Engineering ...