The rattlesnake (specifically, the Timber Rattlesnake) is especially significant and symbolic to the American Revolution. Alberta is home to only one variety of venomous snake, the prairie rattlesnake. It is one of the heaviest venomous snakes in the Americas and the largest rattlesnake. Most fatal bites are attributed to the eastern diamondback rattlesnake and the western diamondback rattlesnake. One popular myth is that the eastern diamondback rattlesnake must rattle before striking. The recoil knocks her into a cave, where she is bitten by a rattlesnake. Maximum reported lengths for the eastern diamondback rattlesnake are and . Neurotoxic effects may also be caused by rattlesnake venom. Two main hemotoxic effects are caused by rattlesnake venom. The rattle serves as a warning for predators of the rattlesnake. This compound poultice of the root is applied with much ceremony to rattlesnake bites. The Tortuga Island diamond rattlesnake is also a subspecies. The prairie rattlesnake and bullsnake are seen throughout the park. The reverse side of the flag had a cotton plant with a coiled rattlesnake. The tropical rattlesnake is another important species.