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). #snakes #snake #anaconda #anacondas #nature #wildlife #giantsnake #reptile #snakesofinstagram | Howstuffworks