4 1/2 - 6 1/2 ft
except extreme eastern part of the state. The bullsnake is Oklahoma's
largest snake. A powerful constrictor, this central plains species
of the Pituophis melanoleucus complex is a common "rat
snake". The bullsnake is one of the few snake species capable
of creating a loud hiss, which sounds incredibly like the rattle of
a rattlesnake. Like other rat snakes, the bullsnake can inflict
painful bites, and are usually prone to bite when first startled or
handled. However, they also habituate quickly. That is
they easily become accustomed to humans and can become quite gentle
with a little patience.
to Joseph Collins (The Center for North American Herpetology), a 2007
Molecular DNA analysis has joined the American rat snakes, genera
Elaphe/Pantherophis, to the genus Pituophis.