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California Red-legged Frog vs. Cascades Frog

Their records touch in the northern Sierra and southern Cascades. A: Red in the California Red-legged Frog; yellow in the Cascades Frog. B: Dark spots, many with pale centres in the California Red-legged Frog; bold inky-black spots with sharp edges in the Cascades Frog.

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California Red-legged Frog

Rana draytonii

Cascades Frog

Rana cascadae
California Red-legged Frog vs. Cascades Frog: comparison sheet with the differences marked

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

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