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Relictual Slender Salamander vs. Greenhorn Mountains Slender Salamander

The Greenhorn Mountains populations were called Relictual until 2012; the two meet around the lower Kern River canyon. A: Shorter (about 17 trunk vertebrae) in the Relictual Slender Salamander; longer (18 or 19) in the Greenhorn Mountains Slender Salamander. B: Broader in the Relictual Slender Salamander; narrower in the Greenhorn Mountains Slender Salamander. C: Longer legs, larger feet in the Relictual Slender Salamander; shorter legs, smaller feet in the Greenhorn Mountains Slender Salamander. Range decides in the field: Breckenridge Mountain (Relictual) vs the Greenhorn Mountains and Tule River highlands (Greenhorn Mountains).

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Relictual Slender Salamander

Batrachoseps relictus

Greenhorn Mountains Slender Salamander

Batrachoseps altasierrae
Relictual Slender Salamander vs. Greenhorn Mountains Slender 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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