They're one of the largest snake species native to the U.S. as well as the longest and heaviest recorded rattlesnake species.

Researchers discovered a new species of snake, believed to be the largest in the world ... However, as they belong to the boa family, they do have the ability to encircle and strangle their ...

African Rock Python: The largest snake in Africa, the African rock python ... and can grow over 18 feet (5.5 meters) long. 7. Boa Constrictor: Native to the Americas, boa constrictors are non ...