Rattlesnakes belong to the family Viperidae.

They belong to the venomous snake family, Viperidae.

It was named after the family of snakes known as Viperidae or vipers.

It was named after the family of snakes known as Viperidae or vipers.

There are more than 24 rattlesnake species. Crotalus adamanteus is the genus and species name. Family name is Viperidae. They are pit vipers and can detect heat using a pit near their nose. They are usually found in grasslands and are meat eaters (carnivores).