Eastern Musk Turtle vs. Ouachita Map Turtle

The shell pattern: Eastern Musk Turtle — plain, no pattern; Ouachita Map Turtle — a fine net of pale lines, like a map. The head marks: Eastern Musk Turtle — two pale stripes, above and below the eye; Ouachita Map Turtle — a yellow spot or bar behind the eye. The underside: Eastern Musk Turtle — small, cross-shaped, lots of skin showing; Ouachita Map Turtle — rigid, covering the underside. The ridge on the shell: Eastern Musk Turtle — no ridge — smooth or one low, smooth ridge; Ouachita Map Turtle — a ridge with knobs or bumps along it.

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