A species of the Python genus, this is one of the largest snakes in the world. The majority of the adults reach approximately 10 feet (3 meters) long, but a few may become up to 20 feet (6 meters ...

While part of the same genus, these two pythons are vastly different in size once they reach maturity. Ball pythons get to be about 4 feet long, while Burmese pythons can reach between 10 and 16 ...