Copperheads are the most common venomous snake found in North Carolina. According to the Carolinas Poison Center, they receive 10 times the number of calls about copperheads than all other snakes combined.
Cottonmouths, also known as water moccasins, are found in North Carolina and South Carolina. Their bite is reportedly similar to a copperhead. These snakes are typically found in swamps and wetland areas.
Pigmy rattlesnakes are native to southeastern North Carolina and the low country of South Carolina. Bites from rattlesnakes are usually more severe than those of copperheads.
Eastern diamondback rattlesnakes are native to both Carolinas.
Timber rattlesnakes are native to both North Carolina and South Carolina.
Coral snakes are native to South Carolina. Often confused with the harmless king snake, you can always identify a coral snake with this rhyme: "Red touches yellow, kill a fellow. Red touches black, venom lack."