Gray Rat Snake
Pantherophis spiloides
A large, blotched gray-and-brown constrictor that retains its juvenile pattern into adulthood, unlike its solid-black eastern relative.
- Venomous?
- Non-venomous
- Adult length
- 1.1-1.8 m (3.5-6 ft)
- Range
- Central and southeastern United States, from the Mississippi Valley to the Appalachians
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Overview
The gray rat snake is a member of the Pantherophis obsoletus complex, distinguished from the eastern rat snake by keeping its blotched pattern throughout life rather than darkening to solid black. It occupies a broad swath of the central and southeastern U.S.
As a skilled climber and rodent hunter, it plays an important ecological role in controlling small mammal populations in forests and farmland alike.
How to identify it
- Gray to tan ground color with large dark brown or gray blotches
- Pattern persists into adulthood, unlike the eastern rat snake
- White chin and throat
- Weakly keeled scales; loaf-shaped body cross-section
- Round pupils
Habitat & range
Inhabits deciduous forests, floodplains, rocky bluffs, and agricultural edges across the central and southeastern United States. Often found near barns, brush piles, and tree hollows.
Behavior, diet & reproduction
Active by day and at dusk, an excellent climber that preys on rodents, birds, and eggs via constriction. Mates in spring, with eggs laid in decaying wood or leaf litter during early summer.
Frequently asked questions
How does it differ from the eastern rat snake?
The gray rat snake keeps its blotched pattern as an adult, while the eastern rat snake turns nearly solid black.
Is it venomous?
No, it is a nonvenomous constrictor.
What habitats does it prefer?
Forests, rocky bluffs, and farmland throughout the central and southeastern United States.
Gray Rat Snake guides
In-depth guides for identifying and understanding Gray Rat Snake.
