Compare two species

Kern Canyon Slender Salamander vs. Black-bellied Slender Salamander

Their ranges do not meet: the lower Kern River canyon (Kern Canyon) vs the Transverse Ranges, coast and Tehachapis (Black-bellied). A: A broader head, longer legs and bigger feet in the Kern Canyon Slender Salamander; a narrow head and tiny legs in the Black-bellied Slender Salamander. B: Dark grey-brown with pale flecks, like the sides (underside shown) in the Kern Canyon Slender Salamander; jet-black, with fine white specks in the Black-bellied Slender Salamander. RANGE IS THE SUREST WAY TO TELL THEM APART: where you are decides which one it is; the rows below help confirm it.

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Kern Canyon Slender Salamander

Batrachoseps simatus

Black-bellied Slender Salamander

Batrachoseps nigriventris

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

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