A recent study on fossilized remains from Venezuela suggests that the giant size of these anacondas evolved around 12.4 million years ago, challenging previous assumptions about their growth.

Quick Take Anacondas are among the largest snakes, reaching up to 30 feet long. The green anaconda is the largest species.

Jack Black and Paul Rudd play best buds who venture to the Amazon to remake their favorite movie and are hunted by a giant ...