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Wild About Illinois Snakes!

Family Crotalidae

eastern copperhead (Agkistrodon contortrix) Photo © Brad M. Glorioso

northern cottonmouth (Agkistrodon piscivorus) Photo © Brad M. Glorioso

timber rattlesnake (Crotalus horridus) [state threatened] Photo © Brad M. Glorioso

eastern massasauga (Sistrurus catenatus) [state endangered]

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