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Three-lined Salamander vs. Southern Two-lined Salamander

Both live by the springs and seeps of the Florida Parishes (Southern Two-lined records within 10 km of 13 Louisiana Three-lined records) and share spring runs across the Southeast; both are yellow with dark side lines. A: A dark line down the middle of the back in the Three-lined Salamander; no dark middle line: yellow to bronze between the two side lines in the Southern Two-lined Salamander. B: A broad dark band along each side, onto the tail in the Three-lined Salamander; a thin dark line along each side in the Southern Two-lined Salamander. The Three-lined Salamander is also much longer (to 7.9 in), with a tail nearly two-thirds of its length.

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Three-lined Salamander

Eurycea guttolineata

Southern Two-lined Salamander

Eurycea cirrigera
Three-lined Salamander vs. Southern Two-lined Salamander: comparison sheet with the differences marked

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

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