Eastern Musk Turtle vs. River Cooter

The shell pattern: Eastern Musk Turtle — plain, no pattern; River Cooter — a pale c-shaped mark or rings on the side plates. The head marks: Eastern Musk Turtle — two pale stripes, above and below the eye; River Cooter — several yellow stripes, no patch. The shell height: Eastern Musk Turtle — high and domed, like a helmet; River Cooter — low and fairly flat. The ridge on the shell: Eastern Musk Turtle — no ridge — smooth or one low, smooth ridge; River Cooter — no ridge — smooth (these overlap, so it only helps).

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

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