The western diamondback rattlesnake (Crotalus atrox) typically has a more muted coloration, ranging from gray to brown with lighter diamonds, while the eastern diamondback rattlesnake (Crotalus ...

and the eastern and western diamondback rattlesnakes (Crotalus adamanteus and Crotalus atrox). Sistrurus – This genus comprises 3 species, such as the massasauga (Sistrurus catenatus ...