species 3,332 observations

Two-striped Garter Snake

Thamnophis hammondii

Field notes

The two-striped garter snake (Thamnophis hammondii) is a species of aquatic snake in the subfamily Natricinae of the family Colubridae. The species is endemic to western North America.

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided