Eastern diamondback rattlesnake
The eastern diamondback rattlesnake is the heaviest venomous snake in the Americas, and the largest rattlesnake. The heaviest eastern diamondback rattlesnake ever found weighed 15.4 kg (34 Ib), and was 7.8 ft (2.4 m) long. This eastern diamondback rattlesnake however, was not the longest ever found, for there have been reports on seeing some which were 8 feet long. An eastern diamondback rattlesnake's actual length is usually around 3 to 5 feet long. They usually weigh 2.3 kg (5.1 Ib), but some that have been found can weigh 5.12 kg (11.3 Ib), or even 6.7 kg (15 Ib). They usually are brown, brownish yellow, brownish gray, or olive ground in color. There skin is covered with 24-35 dark brown or black diamond-shaped blotches, which have a lighter center. The belly is yellow or cream in color.