The bull snake is the largest snake found in Minnesota and one of the largest in North America. An average adult is approximately five to six feet long with some reaching over eight feet. They are found in the central portion of North America from southern Canada down to northern Mexico.
Bull snakes are not venomous. They kill their prey, typically mice, rats, ground squirrels, rabbits, lizards or ground dwelling birds, by constriction. When confronted by a larger predator they will usually make themselves look larger and imitate a rattle snake by quickly beating their tail against the ground making a sound similar to a rattlesnake. As with all snakes the bull snake uses its tongue to collect chemicals from their surroundings which helps them identify their environment.
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