Wildsight
Compare two species

Mexican Garter Snake vs. Checkered Garter Snake

Both live at ponds, stock tanks and streams of southeastern Arizona. A: On scale rows 3 and 4 the whole way in the Mexican Garter Snake; on row 3 only in the Checkered Garter Snake. B: No pale crescent behind the mouth in the Mexican Garter Snake; a pale crescent behind the mouth with a dark blotch behind it in the Checkered Garter Snake.

Open this comparison in Wildsight

Mexican Garter Snake

Thamnophis eques

Checkered Garter Snake

Thamnophis marcianus
Mexican Garter Snake vs. Checkered Garter Snake: comparison sheet with the differences marked

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

More comparisons

Wildsight identifies the reptiles and amphibians of the United States. Every comparison