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Reptiles and Amphibians of Iowa
Species
Frogs and Toads
Salamanders
Lizards
Snakes
Turtles
By County
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Snakes of Iowa
Black Rat Snake
Pantherophis obsoletus
Brown Snake
Storeria dekayi
Bullsnake
Pituophis catenifer sayi
Common Garter Snake
Thamnophis sirtalis
Copperbelly Water Snake
Nerodia erythrogaster neglecta
Copperhead
Agkistrodon contortrix
Diamondback Water Snake
Nerodia rhombifer
Eastern Hognose Snake
Heterodon platirhinos
Eastern Massasauga Rattlesnake
Sistrurus catenatus
Graham's Crayfish Snake
Regina grahamii
Lined Snake
Tropidoclonion lineatum
Milk Snake
Lampropeltis triangulum
Northern Water Snake
Nerodia sipedon
Plains Garter Snake
Thamnophis radix
Prairie Kingsnake
Lampropeltis calligaster
Prairie Rattlesnake
Crotalus viridis
Prairie Ringneck Snake
Diadophis punctatus arnyi
Racer
Coluber constrictor
Redbelly Snake
Storeria occipitomaculata
Smooth Earth Snake
Virginia valeriae
Smooth Green Snake
Opheodrys vernalis
Speckled Kingsnake
Lampropeltis getula holbrooki
Timber Rattlesnake
Crotalus horridus
Western Fox Snake
Pantherophis vulpinus
Western Hognose Snake
Heterodon nasicus
Western Massasauga Rattlesnake
Sistrurus tergeminus
Western Ribbon Snake
Thamnophis proximus
Western Worm Snake
Carphophis vermis