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River Frog vs. Pig Frog

Pig Frogs share the River Frog's cypress swamps on the coast and in the far south. A: Rough, dark brown to greyish olive in the River Frog; smooth, dark green in the Pig Frog. B: Dark, mottled with white in the River Frog; mostly white below in the Pig Frog. The Pig Frog's hind feet are webbed right to the tip of the longest toe, and it grunts like a pig.

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River Frog

Lithobates heckscheri

Pig Frog

Lithobates grylio
River Frog vs. Pig 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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