One-toed Amphiuma vs. Lesser Siren

In the Florida panhandle and south Alabama, where most One-toed Amphiumas live, the Lesser Siren shares the same swamps. A: None outside, only a tiny gill slit in the One-toed Amphiuma; bushy outside gills behind the head in the Lesser Siren. B: Four tiny legs (front and hind) in the One-toed Amphiuma; only two small front legs, no hind legs in the Lesser Siren. The Lesser Siren is olive to black with fine black dots.

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

More comparisons

• One-toed Amphiuma vs. Two-toed Amphiuma
• One-toed Amphiuma vs. Three-toed Amphiuma
• One-toed Amphiuma vs. Western Lesser Siren
• One-toed Amphiuma vs. Greater Siren
• One-toed Amphiuma vs. Gulf Coast Waterdog
• Escambia Waterdog vs. One-toed Amphiuma
• Seepage Siren vs. One-toed Amphiuma
• Reticulated Siren vs. One-toed Amphiuma
• Apalachicola Waterdog vs. One-toed Amphiuma
• Lesser Siren vs. Greater Siren
• Lesser Siren vs. Two-toed Amphiuma
• Lesser Siren vs. Dwarf Waterdog
• Escambia Waterdog vs. Lesser Siren
• Seepage Siren vs. Lesser Siren
• Reticulated Siren vs. Lesser Siren
• Apalachicola Waterdog vs. Lesser Siren
• Northern Dwarf Siren vs. Lesser Siren
• Southern Dwarf Siren vs. Lesser Siren

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