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Squirrel Treefrog vs. Bird-voiced Treefrog

They meet in the swamps of Louisiana and the Gulf states. A: No white spot below the eye in the Squirrel Treefrog; a white spot below the eye in the Bird-voiced Treefrog. B: Plain yellowish, with no green wash (hidden until the leg is stretched) in the Squirrel Treefrog; pale green to yellow-green in the Bird-voiced Treefrog. Bird-voiced Treefrogs whistle like a bird ('whit-whit-whit'); Squirrel Treefrogs rasp like a duck.

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Squirrel Treefrog

Dryophytes squirellus

Bird-voiced Treefrog

Dryophytes avivoca
Squirrel Treefrog vs. Bird-voiced Treefrog: comparison sheet with the differences marked

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

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