Mammoth Cave National Park is home to a wide array of lizards, turtles, and snakes. Among the species here are:
Fence lizard, Slender glass lizard, Six-lined racerunner, Ground skink, Coal lizard, Five-lined skink, Broad-headed skink.
Stinkpot, Snapping turtle, Eastern box turtle, Map turtle, Slider, Red eared turtle, Smooth softshell turtle, Eastern spiny softshell.
Worm snake, Northern ringneck snake, Hognose snake, Rough green snake, Northern black racer, Gray rat snake, Northern pine snake, Prairie king snake, Scarlet king snake, Black king snake, Eastern milk snake, Scarlet snake, Northern water snake, Northern brown snake, Red-bellied snake, Eastern garter snake, Butler's garter snake, Eastern ribbon snake, Southeastern crowned snake, Northern copperhead, Timber rattlesnake.