Crotalus adamanteus, commonly known as the Eastern Diamondback Rattlesnake, among other names, is a venomous pit viper belonging to the family Viperidae. This specific species of rattlesnake is endemic to the southeastern United States. It is the heaviest, though not longest, venomous snake in America and is also the largest rattlesnake and can grow up to 2.4 meters (8 feet) in length and can weigh up to 4.5 kg (10 pounds).

Eastern Diamondback Rattlesnake