Common Garter Snake

Thamnophis sirtalis

The common garter snake is a species of snake in the subfamily Natricinae of the family Colubridae. The species is indigenous to North America and found widely across the continent. There are several recognized subspecies.

Eastern Garter Snake in Spangler Park, Wooster, Ohio. Photo shared on Wikipedia by Wilson44691.
Eastern Garter Snake in Spangler Park, Wooster, Ohio. Photo shared on Wikipedia by Wilson44691.
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Community Sightings

Recent observations from the iNaturalist community

Red-spotted Garter Snake observed by naturegal_503
Jan 14, 2026
Columbia River, Vancouver, WA, US
bynaturegal_503
Research Grade
· 3 IDs
Common Garter Snake observed by pattyjane
Jan 14, 2026
Texas, US
bypattyjane
Research Grade
· 3 IDs
Snakes observed by camille12290
Jan 14, 2026
University City, Philadelphia, PA, USA
byCamille Weinberg
Research Grade
· 2 IDs
Common Garter Snake observed by whatsthatplant56
Jan 14, 2026
Hornell, NY 14843, USA
byKathie
Research Grade
· 4 IDs
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