Eastern copperhead

The eastern copperhead is a venomous pit viper native to the eastern United States, recognized by its copper-colored head and hourglass-shaped bands.

Copperhead: Copperhead is the common name for several pit vipers in the genus Agkistrodon. The eastern copperhead is one species within this broader group.
Loreal pit: A loreal pit is a heat-sensitive facial organ found in pit vipers and some other snakes. Paired pits help copperheads detect warm-bodied prey in low light.
Snakebite: A snakebite is a wound caused by a snake's teeth, with effects ranging from minor injury to severe envenomation. Copperhead bites are a common cause of venomous snakebite in parts of the United States.
Eastern United States: The eastern United States is the region of the country east of the Mississippi River, broadly defined. The copperhead's native range lies across much of this region.
Northern water snake: The northern water snake is a nonvenomous North American snake often found near freshwater. Its bands can resemble a copperhead's, but it lacks the copperhead's venom-delivering fangs.
Pit viper: Pit vipers are venomous snakes with heat-sensing pits between the eyes and nostrils. These sensory organs place the eastern copperhead among pit vipers.
Snake thermoreception: Snake thermoreception is the detection of infrared radiation by specialized sensory organs. Pit-mediated heat sensing helps copperheads locate prey beyond ordinary vision.
Antivenom: Antivenom is a preparation of antibodies used to neutralize toxins in venomous animal bites or stings. Clinicians may consider antivenom for significant copperhead envenomation.
Deciduous forest: A deciduous forest is a woodland where trees seasonally shed their leaves. Copperheads commonly occupy wooded habitats with leaf litter and suitable shelter.
Eastern rat snake: The eastern rat snake is a large nonvenomous constrictor native to eastern North America. Young individuals can have blotched patterns that invite confusion with copperheads.

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Agkistrodon piscivorusCompared with: Copperheads overlap cottonmouths in parts of their range and are often confused with them.