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Santa Cruz Black Salamander vs. Arboreal Salamander

Both are climbing salamanders with square-tipped toes in the Santa Cruz Mountains; their records overlap. A: Plain black, at most tiny white specks in the Santa Cruz Black Salamander; chocolate-brown with small yellow spots in the Arboreal Salamander. B: Rounded in the Santa Cruz Black Salamander; huge and triangular, with bulging jaw muscles in the Arboreal Salamander.

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Santa Cruz Black Salamander

Aneides niger

Arboreal Salamander

Aneides lugubris
Santa Cruz Black Salamander vs. Arboreal 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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