Arid Land Ribbonsnake (Thamnophis proximus) is a medium-sized (0.45-1.3 m total length) that is distributed through the midwestern U.S. from Kentucky west to New Mexico and from Wisconsin discontinuously south through eastern Mexico all the way to Costa Rica. It can be found in shrubby habitats near water. They eat fish, amphibians, and invertebrates and occasionally scavenge.