Swanson (1939) listed the smallmouth salamander, red-backed salamander, longtail salamander, Fowler's toad (Bufo fowleri), chorus frog, crawfish frog, eastern fence lizard (Sceloporus undulatus), five-lined skink (Eumeces fasciatus), worm snake (Carphophis amoena), northern ringneck snake (Diadophis punctatus), racer, eastern hognose snake, common kingsnake
(Lampropeltis getulus), northern water snake (Nerodia sipedon), copperbelly water snake (Nerodia erthrogaster), red-bellied snake (Storeria occipitomaculata), rough green snake (Opheodrys aestivus), copperhead (Agkistrodon mokasen) and timber rattlesnake (Crotalus horridus) to be common in southern Indiana.
Individuals of three snake species, common kingsnake
(Lampropeltis getula), timber rattlesnake (Crotalus horridus), and rat snake (Elaphe obsolete) consumed four cotton rats, and one great horned owl (Bubo virginianus) preyed upon one of the 72 rats released.
(Lampropeltis getula), eastern racer (Coluber constrictor), eastern rat snake (Elaphe obsoleta), western ribbon snake (Thamnophis proximus) and copperhead (Agkistrodon contortrix), are considered to be generalists in their habitat and/or their prey preferences (Conant & Collins 1998).