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Sheep Frog vs. Eastern Narrow-mouthed Toad

They meet in southern Texas and eastern Mexico. A: A thin yellow or orange line down the middle of the back in the Sheep Frog; no line down the middle of the back in the Eastern Narrow-mouthed Toad. The Sheep Frog is plumper and has two big spade-like tubercles on each hind foot (one small one in the narrow-mouthed toad); its call is a long bleat.

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Sheep Frog

Hypopachus variolosus

Eastern Narrow-mouthed Toad

Gastrophryne carolinensis
Sheep Frog vs. Eastern Narrow-mouthed Toad: comparison sheet with the differences marked

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

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