Step 1 : Introduction to the question "How many subspecies of copperheads are native to Tennessee (U.S.)? "
Agkistrodon contortrix is a species of venomous snake endemic to Eastern North America, a member of the Crotalinae subfamily. The common name for this species is the copperhead. The behavior of Agkistrodon contortrix may lead to accidental encounters with humans. Five subspecies are currently recognized, including the nominate subspecies described here
