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Lesser Siren vs. Two-toed Amphiuma

Both are eel-like salamanders of the same coastal plain swamps and ditches. A: Bushy gills at the sides of the head in the Lesser Siren; no outside gills; a small gill opening only in the Two-toed Amphiuma. The Lesser Siren has two small front legs with four toes each and no hind legs; the amphiuma four tiny legs, each with two toes.

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Lesser Siren

Siren intermedia

Two-toed Amphiuma

Amphiuma means
Lesser Siren vs. Two-toed Amphiuma: comparison sheet with the differences marked

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

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