Oregon Spotted Frog vs. Northern Red-legged Frog

Both breed early in Cascade and valley wetlands. A: Big ragged black spots with pale centres in the Oregon Spotted Frog; small faint flecks in the Northern Red-legged Frog. B: Eyes turned up, set high in the Oregon Spotted Frog; eyes face to the side in the Northern Red-legged Frog. C: Red that looks painted on the surface; short legs in the Oregon Spotted Frog; red that looks painted from within; long legs in the Northern Red-legged Frog.

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

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