There are two types and speciments of diamondback snakes and by the way diamondback snakes is also called as diamondback rattlesnakes, these two are western diamondback rattlesnakes and eastern diamondback rattlesnakes. Although there are other meaning with this word "diamondback snakes" as the diamondback water snake that is a common species of water snake in North America.
Diamondback
Diamondbacks are venomous or poisonous snakes that their venom or poisons can harms people's life, they are also one of most dangerous snakes in the world.
Western diamondback rattlesnake is called Crotalus atrox, the "western diamondback rattlesnake", is usually a venomous rattlesnake species found in the United states of america and Mexico. Chances are to blame for virtually all snakebite fatalities in northern Mexico and the second greatest number in america after C. adamanteus. No subspecies are still recognized.
Eastern diamondback rattlesnake is also named Crotalus adamanteus is usually a venomous pit viper species based in the southeastern Us. It does not take heaviest (though not longest) venomous snake from the Americas along with the largest rattlesnake. It featured prominently inside American Revolution, specifically as being the symbol of what many say is the primary flag on the Country, the Gadsden flag. No subspecies are still recognized.