Timber Rattlesnake
Crotalus horridus

Size: 4 1/2 - 5 1/2 ft
Distribution:
Eastern 1/3 to 1/2 of the state, usually found in heavily wooded, rocky terrain with dense cover. Considered the most venomous snake in Oklahoma, this snake has a really quiet nature, and will usually not strike except for in defense. Another common nickname for this snake is the "velvet-tail" due its jet black tail. This species had a former name called the "canebrake", which is no longer officially recognized by current taxonomy.
A 4-foot wild-caught timber rattlesnake from Willis, OK, as viewed in its natural habitat.