Cascades Frog vs. Columbia Spotted Frog

The two meet only in the Washington Cascades. A: Pale yellowish, not orange in the Cascades Frog; salmon-orange in the Columbia Spotted Frog. B: Sharp inky-black spots, no pale centres in the Cascades Frog; spots often with pale centres in the Columbia Spotted Frog. C: Eyes face to the side in the Cascades Frog; eyes turned up in the Columbia Spotted Frog.

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

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