Add Yahoo as a preferred source to see more of our stories on Google. A green anaconda wraps around an underwater tree branch in Brazil's Rio Formoso. Snakes live just about everywhere. From black rat ...

There are around 4,000 species of snakes in the world, and they come in all sizes, from tiny blind snakes to some of the biggest and most powerful snakes around — the anacondas. Anacondas are some of ...