Black Rat Snake Pantherophis obsoletus
Identification
This species has a long black body with faint patterning and a white or gray underside. Juveniles display a bold blotched pattern.
Location
Common statewide except far northwest
Size
42 to 72 inches
Diet
It feeds primarily on rodents and birds and plays a major role in controlling small mammal populations.
Habitat
It occupies forests agricultural areas and rural structures throughout most of Ohio.
Activity Period
April to October
Behavior
It is an excellent climber and frequently ascends trees and structures. It is generally calm but may vibrate its tail when threatened. It is most active in warm months and climbs frequently to forage.
Lifecycle
Mating occurs in spring and females lay eggs in early summer. Hatchlings emerge in late summer.
Population
The population is stable though road mortality affects local areas.
History
It has been historically widespread and valued for rodent control.
Human Interactions
It is harmless and often found near barns and sheds where rodents are abundant.
Facts
It is one of the most proficient climbing snakes in the region.
Sources
ODNR academic herpetology sources
Rodents birds eggs small mammals | Forests barns rocky slopes | Statewide except far northwest