Carpenter Frog vs. American Bullfrog

Neither has ridges down the back, so a young Bullfrog is the closest match. The Bullfrog has a fold from the eye curving down around the eardrum and grows far larger. The Carpenter Frog has faint pale stripes along the back and sides and stays under about 2.6 inches.

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

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