The eastern diamondback rattle snake
The eastern diamondback rattle snake (Crotalus adamanteus) is a species of pit viper native to south-eastern United States. This deadly venomous snake is the heaviest venomous snake and largest rattle snake in the world. Though rarely, but it can grow up to a length of 7 feet and it can weigh 15 kg. The snake is brown with black markings on head and diamond shaped marks on back. The underpart of its body is yellowish or cream coloured. Like all rattle snakes, it is ovoviviparous, i.e. embryos develop inside eggs that are retained within the mother’s body until they are ready to hatch. It feeds on small mammals and birds.