venomous copperhead (agkistrodon contortrix)

agkistrodon copperhead north carolina raleigh snake triangle wake county animal careful beautiful beware biology brown caution close closeup contortrix creepy danger dangerous fauna fear frightening herpetology hourglass pattern macro natural nature ophidiophobia ophiophobia poisonous reptile scales scary sleek slither slitted eyes smooth southeast venom venomous viper warning watch step wild wildlife zoology