Kern Canyon Slender Salamander vs. Greenhorn Mountains Slender Salamander

Their records meet around the lower Kern River canyon. A: Long: 20 or 21 trunk vertebrae in the Kern Canyon Slender Salamander; shorter: 18 or 19 in the Greenhorn Mountains Slender Salamander. B: Larger, with a broader head and chest in the Kern Canyon Slender Salamander; smaller, with a narrower head in the Greenhorn Mountains Slender Salamander.

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

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