Copperhead
Agkistrodon contortrix

Size:  3 - 3 1/2 ft
Distribution
Statewide, except panhandle and NW counties.  Our most common venomous snake, the venom is relatively weak and is not considered fatal to humans, this snake should be treated with respect since bites can be severely painful and expensive.  A severe bite from a copperhead could cause permanent nerve and muscle damage and disfigurement.
Southern copperhead (Agkistrodon contortrix contortrix) from Beavers Bend State Park. Notice how wide wide the bands are spaced and that they narrow across the back. Although it is not easily visible from this photograph, many bands are incomplete.