River Cooter vs. Northwestern Pond Turtle

Both bask on logs in the same park lakes and ponds; their California records overlap. A: Many thin yellow stripes in the River Cooter; plain olive or grey, finely flecked, no stripes in the Northwestern Pond Turtle. B: Olive with yellow C-shaped marks, the rear edge saw-toothed in the River Cooter; low and plain olive-brown, faintly flecked in the Northwestern Pond Turtle. The cooter is a released pet; the pond turtle is California's only native freshwater turtle and is protected.

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

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