Search for amphibians and reptiles by Illinois county. Go to the INHS Amphibian and Reptile Collection page. Search the INHS collections data for this species by clicking on the button below. Search the Type Specimen Data for this species by clicking on the button below. Purple shade indicates vouchered specimens.
Yellow shade indicates verified sighting.
Slanted hatch indicates pre-1980 records only. Not all specimens upon which these maps are based have been verified. Midland water snake, N . Crossbands wider on back than on side, and usually wider than intervening paler areas. Belly light yellow with many red or brown half-moons.