Genus Sistrurus is a group of venomous pit vipers indigenous to the southern regions of North America. These snakes have unique traits, such as their "rattling" tail, which warns potential predators of their presence. There are several synonyms for the genus Sistrurus including ground rattlesnakes, pygmy rattlesnakes, and massasauga rattlers, depending on the specific species classification. These pit vipers are small when compared to other rattlesnakes, making them more challenging to detect and avoid. Understanding the synonyms for the genus Sistrurus allows for improved communication and identification of the venomous snakes. With caution and awareness, individuals can safely admire these impressive creatures from a distance.