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Common Box Turtle vs. River Cooter

The shell pattern: Common Box Turtle — irregular yellow or orange blotches; River Cooter — a pale c-shaped mark or rings on the side plates. The head marks: Common Box Turtle — yellow or orange spots or plain; River Cooter — several yellow stripes, no patch. The shell height: Common Box Turtle — high and domed, like a helmet; River Cooter — low and fairly flat.

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Common Box Turtle

Terrapene carolina

River Cooter

Pseudemys concinna
Common Box Turtle vs. River Cooter: comparison sheet with the differences marked

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

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