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Southern Red-backed Salamander vs. Ozark Zigzag Salamander

The owner's pair: the two small striped woodland salamanders of eastern Oklahoma, the Southern Red-backed in the Ouachitas and the Ozark Zigzag in the Ozarks. A: Broad: one-half to two-thirds of the width of the back in the Southern Red-backed Salamander; narrow: one-third of the width of the back or less in the Ozark Zigzag Salamander. B: Fine, regular saw-toothed notches, one at each rib groove in the Southern Red-backed Salamander; broad, uneven, lobed or wavy (zigzag) edges in the Ozark Zigzag Salamander.

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Southern Red-backed Salamander

Plethodon serratus

Ozark Zigzag Salamander

Plethodon angusticlavius
Southern Red-backed Salamander vs. Ozark Zigzag 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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