Bull snakes are one of the largest nonvenomous snakes in North America, often reaching lengths of 8 feet (2.5 meters), with some individuals growing even longer.
These snakes have small heads and round pupils, and they flatten them when threatened. Bull snakes have vertical bars that extend from their lower lip through their upper lip called labial bars.
pilot black snake and bull snake. All five species are not native to China, and the western hognose snake is considered mildly venomous. An accompanying video released by the administration also ...