Copperhead vs Corn Snake

The quick tellCorn snakes have red or orange blotches outlined in black and a checkerboard belly. Copperheads have tan hourglass bands with no black outline and a plain head.
Copperhead (Agkistrodon contortrix)

Photo: Peter Paplanus, CC BY 2.0, via Wikimedia Commons

Copperhead

Medically significant · Agkistrodon contortrix

  • Copper to tan body with dark hourglass bands: wide on the sides, narrow on the spine
  • Plain coppery head with no pattern
  • Young snakes have a bright yellow-green tail tip
  • Cat-like vertical pupils and a pit between eye and nostril

Size: 24–36 in. Habitat: Wooded hillsides, rocky ridges, wood piles and suburban yards in the East and South.

The venomous snake behind most bites in the eastern US. Bites are painful and need medical care, but deaths are extremely rare.

Corn snake (Pantherophis guttatus)

Photo: Peter Paplanus, CC BY 2.0, via Wikimedia Commons

Corn snake

Harmless · Pantherophis guttatus

  • Orange to brownish body with red blotches outlined in black
  • Black and white checkerboard belly
  • Slim head, round pupils
  • Spear-point mark on top of the head

Size: 24–48 in. Habitat: Fields, pine woods and barns of the Southeast.

Not venomous.

Where each one lives

Alabama: both live hereAlaska: neitherArizona: neitherArkansas: Copperhead onlyCalifornia: neitherColorado: neitherConnecticut: Copperhead onlyDelaware: Copperhead onlyFlorida: both live hereGeorgia: both live hereHawaii: neitherIdaho: neitherIllinois: both live hereIndiana: Copperhead onlyIowa: Copperhead onlyKansas: both live hereKentucky: both live hereLouisiana: both live hereMaine: neitherMaryland: both live hereMassachusetts: Copperhead onlyMichigan: neitherMinnesota: neitherMississippi: both live hereMissouri: Copperhead onlyMontana: neitherNebraska: Copperhead onlyNevada: neitherNew Hampshire: neitherNew Jersey: Copperhead onlyNew Mexico: Corn snake onlyNew York: Copperhead onlyNorth Carolina: both live hereNorth Dakota: neitherOhio: Copperhead onlyOklahoma: both live hereOregon: neitherPennsylvania: Copperhead onlyRhode Island: neitherSouth Carolina: both live hereSouth Dakota: neitherTennessee: both live hereTexas: both live hereUtah: neitherVermont: neitherVirginia: both live hereWashington: neitherWest Virginia: Copperhead onlyWisconsin: neitherWyoming: neither
Copperhead: 28 states. Corn snake: 16 states. Both live in 15 states.

Side by side

CopperheadCorn snake
DangerMedically significantHarmless
Size24–36 in24–48 in
States2816
HabitatWooded hillsides, rocky ridges, wood piles and suburban yards in the East and SouthFields, pine woods and barns of the Southeast

Questions

How can you tell a copperhead from a corn snake?

Corn snakes have red or orange blotches outlined in black and a checkerboard belly. Copperheads have tan hourglass bands with no black outline and a plain head.

Which one is dangerous?

The copperhead: medically significant. The corn snake: harmless. If you are not sure, keep your distance and do not handle it.

Where do both live?

Both live in 15 states: Alabama, Florida, Georgia, Illinois, Kansas, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas and Virginia.

More look-alikes