An anaconda is a powerful predator that lives in the swamps and rivers of tropical South America. The green anaconda is one of the longest snakes in the world, almost as long as a school bus! Discover more about these amazing constrictors in All About South American Anacondas, one of 30 books in our Animals Around the World series. Each title is beautifully illustrated with large, eye-catching photographs, a map, and glossary.