[Reptiles of the Pacific Northwest]

Common Garter Snake

Thamnophis sirtalis

Common Garter Snake: Thamnophis sirtalis

Common garter snake as seen at Conboy Lake National Wildlife Refuge......October 22, 2025.

Common Garter Snake: Thamnophis sirtalis - Common Garter Snake: Thamnophis sirtalis

Common garter snake at Trillium Lake: Mt. Hood N.F........August 1982 at left. Common garter snake at right as seen at the Sandy River Delta, near Troutdale, OR .......May 1995.
Paul Slichter