Jo Daviess County Amphibians and Reptiles
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| Scientific Name | Common Name |
| Bufo americanus | American Toad |
| Acris crepitans | Cricket Frog |
| Hyla versicolor- chrysoscelis | Grey Treefrog Complex |
| Pseudacris crucifer | Spring Peeper |
| Pseudacris triseriata | Western Chrous Frog |
| Rana catesbeiana | Bullfrog |
| Rana clamitans | Green Frog |
| Rana palustris | Pickerel Frog |
| Rana pipiens | Northern Leopard Frog |
| Rana sylvatica | Wood Frog |
| Chelydra serpentina | Snapping Turtle |
| Chrysemys picta | Painted Turtle |
| Emydoidea blandingii | Blanding's Turtle |
| Graptemys geographica | Map Turtle |
| Graptemys ouachitensis | Ouachita Map Turtle |
| Cnemidophorus sexlineatus | Six-Lined Racerunner |
| Coluber constrictor | Racer |
| Elaphe obsoleta | Rat Snake |
| Elaphe vulpina | Fox Snake |
| Heterodon nasicus | Western Hognose Snake |
| Heterodon platirhinos | Eastern Hognose Snake |
| Lampropeltis triangulum | Milk Snake |
| Nerodia sipedon | Northern Water Snake |
| Pituophis melanoleucus | Bull Snake |
| Storeria dekayi | Brown Snake |
| Thamnophis sirtalis | Common Garter Snake |
| Crotalus horridus | Timber Rattlesnake |