snakes

​Carphophis vermis (western wormsnake)

Diadophis punctatus arnyi (prairie ring-necked snake)

Diadophis punctatus edwardsii (northern ring-necked snake)

​Heterodon platirhinos (eastern hog-nosed snake)

​Opheodrys vernalis (smooth greensnake)

​Coluber constrictor (North American racer)

​Pantherophis spiloides (gray ratsnake)

​Pantherophis vulpinus (eastern foxsnake)

​Pituophis catenifer (bullsnake or gophersnake)

​Lampropeltis triangulum (milksnake)

Thamnophis butleri (Butler's gartersnake)

Thamnophis radix (plains gartersnake)

Thamnophis sirtalis (common gartersnake)

Thamnophis sauritus (eastern ribbonsnake)

Thamnophis proximus (western ribbonsnake)

Tropidoclonion lineatum (lined snake)

Storeria dekayi (DeKay's brownsnake)

Storeria occipitomaculata (red-bellied snake)

Regina septemvittata (queensnake)

Nerodia sipedon (common watersnake)

Sistrurus catenatus (eastern massasauga)

Crotalus horridus (timber rattlesnake)