The green anaconda is the heaviest snake species on Earth. These colossal serpents slither through the waterways of South America, intimidating our imaginations with their immense size and power. A notable specimen known as Ana Julia measured 20.7 feet (6.3 meters) and weighed 440 pounds (200 kilograms). Learn more: https://animals.howstuffworks.com/snakes/largest-anaconda.htm?utm_source=facebook | Howstuffworks