-Western Wormsnake (Carphophis vermis) -Lined Snake (Tropidoclonion lineatum) -Ring-necked Snake (Diadophis punctatus) -DeKay's Brownsnake (Storeria dekayi) -Red-bellied Snake (Storeria occipitomaculata) -Queensnake (Regina septemvittata) -Common/Northern Watersnake (Nerodia sipedon) -Common Gartersnake (Thamnophis sirtalis) -Plains Gartersnake (Thamnophis radix) -Butler's Gartersnake (Thamnophis butleri)*WI Special Concern -Western Ribbonsnake (Thamnophis proximus) -Eastern Ribbonsnake (Thamnophis saurita) -Eastern Hog-nosed Snake (Heterodon platirhinos) -Smooth Greensnake (Opheodrys vernalis) -North American Racer (Coluber constrictor) -Eastern Milksnake (Lampropeltis triangulum) -Central Ratsnake (Pantherophis alleghaniensis) -Eastern Foxsnake (Pantherophis vulpinus) -Bullsnake/Gophersnake (Pituophis catenifer sayi) -Eastern Massasauga (Sistrurus catenatus)*Venomous; WI State Endangered -Timber Rattlesnake (Crotalus horridus)*Venomous