Mexican small-headed rattlesnakes, scientifically known as Crotalus intermedius, are a “poorly known” species of venomous snake native to Mexico, researchers said. They are most active during ...

Close up of a Southwestern Specked Rattlesnake (Crotalus pyrrhus). (Getty Images) The Red Diamond Rattlesnake is found along the coast, mesquite and cactus on desert slopes, according to county ...

The Eastern Diamondback Rattlesnake (Crotalus adamanteus) is the undisputed king of rattlesnakes in North America. As the largest rattlesnake species in the world, this formidable predator can reach ...