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Kings River Slender Salamander vs. Gregarious Slender Salamander

They occur together at some Kings River sites (Fresno County). A: Broader, with a distinct neck in the Kings River Slender Salamander; narrower in the Gregarious Slender Salamander. B: Longer legs, larger hands and feet in the Kings River Slender Salamander; short legs, small hands and feet in the Gregarious Slender Salamander. C: Grey, much paler than the back (the lower side shown) in the Kings River Slender Salamander; dark slate-grey, about as dark as the back (lower side shown) in the Gregarious Slender Salamander. Adult male Gregarious have a chin gland that Kings River males lack (in hand only).

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Kings River Slender Salamander

Batrachoseps regius

Gregarious Slender Salamander

Batrachoseps gregarius

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

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