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Gloyd, H. K., Conant, R. 1943. A synopsis of the American forms of Agkistrodon (copperheads and moccasins). 7 (2): 156, Figure 10.

Optical illusions and mind-bend photos are all the rage on the internet. And the latest viral photo is no different. Twitter user SssnakeySci recently tweeted out a photo of a well-camouflaged snake ...

Copperheads (Agkistrodon contortrix) are venmous snakes that inhabit the Eastern and Central United States. Could you pick one out of a lineup of venomous snakes? If the answer is no, then read on to ...

The U.S. is home to several species of venomous snake, though none is responsible for more bites than the copperhead. According to the Centers for Disease Control, between 7,000 and 8,000 Americans ...

Copeia is an internationally respected, widely-cited quarterly that publishes original research on fishes, amphibians and reptiles, emphasizing systematics, ecology, conservation, behavior, genetics, ...