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Two-striped Garter Snake vs. Common Garter Snake

Both live by water along the coast and in the Coast Ranges. A: No stripe down the middle of the back in the Two-striped Garter Snake; a bold pale stripe down the middle of the back in the Common Garter Snake. B: Olive with a yellow side stripe; no red in the Two-striped Garter Snake; red bars on the sides in the Common Garter Snake.

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Two-striped Garter Snake

Thamnophis hammondii

Common Garter Snake

Thamnophis sirtalis
Two-striped Garter Snake vs. Common Garter Snake: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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