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A copperhead snake will generally grow to a maximum of about three feet. They all have copper colored heads, and have a ground color of pink, brown, or even tan depending on the subspecies. They have triangular shaped heads, and the trademark facial pits that pit vipers are known for.
Adults eat mostly mice but also small birds, lizards, small snakes, amphibians, and insects--especially cicadas. Copperheads have fangs that inject prey with a hemolytic venom (causes the breakdown of red blood cells) which subdues its prey, making it easy for the snake to swallow it.he copperhead has solenoglyphous fangs that can be .3 inches (7.2 mm) in length. The length of the fangs is related to the length of the snake; the longer the snake, the longer the fangs. Even newborn copperheads have fully functional fangs that are capable of injecting venom that is just as toxic as adult venom.