Throughout United States, absent from Rocky Mountains and deserts of the southwest states. Small range into northwestern Canada. South through Mexico, Guatemala, & Belize.
Terrestrial. Prefer grasslands, prairies, fields, and light forests. Common in residential areas where humans reside. Usually found near water. Can climb trees and shrubs when hunting.
Average adult length varies between 20 to 60 inches, depending on subspecies/locaiton, but can reach up to 73 inches long. Most individuals are solid color occuring in black, brown, tan, blue, or green. Light colored ventral side occurs in white, tan, or yellow. Patterns vary depending on subspecies.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians