The Eastern Diamondback Rattlesnake is the largest species of rattlesnake in the Americas and the heaviest venomous snake. 

It can grow to a maximum length of eight feet and has diamond-shaped dark brown, black, and yellow markings. Its head is triangular, with a dark stripe running through each eye. 

They use their rattle at the end of their to hunt prey. Rattlesnakes of this kind are solitary creatures that seek out other rattlesnakes only during the breeding season.