Serpentes Pituophis melanoleucus Bullsnake Search for another Amphibian or Reptile. 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.
Yellow shade indicates verified sighting.
Slanted hatch indicates pre-1980 records only. Not all specimens upon which these maps are based have been verified. Juvenile resembles adult except that its back is tanner and back blotches are usually all black. Sand prairies, grasslands, and old fields in former prairie. Absent from the black-muck prairies.