Tony Phelps / Copperhead snake {Agkistrodon contortrix} captive, from Virginia, USA

Philippe Clement / Broad-banded copperhead (Agkistrodon contortrix laticinctus) captive, Costa Rica

Philippe Clement / Broad-banded copperhead (Agkistrodon contortrix laticinctus) captive, Costa Rica

Mary McDonald / Southern copperhead {Agkistrodon contortrix} captive, from SE USA

LYNN M. STONE / Osage copperhead {Agkistrodon contortrix phaeogaster} captive, from USA

Mary McDonald / Broad banded copperhead snake (Agkistrodon contortrix) USA, captive

Todd Pusser / Copperhead snake {Agkistrodon contortrix} camouflaged among leaves, USA.

Todd Pusser / Copperhead snake {Agkistrodon contortrix}, North Carolina, USA.

Robert Valentic / American copperhead {Agkistrodon contortrix laticinctus} captive

Robert Valentic / Highland copperhead, male in strike pose {Austrelaps ramsayi} Victoria, Australia

Robert Valentic / Lowland copperhead {Austrelaps superbus} juvenile consuming lizard, Victoria, Australia

Robert Valentic / Copperhead {Austrelaps superbus} threat posture, Victoria, Australia