Crotalus horridus; Print; The timber rattlesnake; canebrake rattlesnake or banded rattlesnake (Crotalus horridus); is a species of venomous pit viper endemic to eastern North America. This is the only rattlesnake species in most of the populous northeastern United States and is second only to its cousins to the west; the prairie rattlesnake; as the most northerly distributed venomous snake in North America. No subspecies are currently recognized.; 1700-1880