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Mink Frog vs. Green Frog

A Mink Frog looks like a small Green Frog. Go to the hind legs first: a Green Frog has dark bands across them; a Mink Frog's are covered in irregular mottling and spots, with no bands. Then look along the back: a Green Frog has a ridge on each side running from behind the eye most of the way to the hip; a Mink Frog's ridges are missing or only partly formed. Handled, a Mink Frog smells strongly musky, like a mink or rotten onions, and its call is a fast cut-cut-cut rather than a single banjo-like gunk.

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Mink Frog

Lithobates septentrionalis

Green Frog

Lithobates clamitans
Mink Frog vs. Green 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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