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Governor JB Pritzker Illinois.gov Contact IDNR DNR A to Z

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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