Northern Pygmy Salamander vs. Eastern Red-backed Salamander

Both are small woodland salamanders with a reddish stripe under the same logs high in the north-east mountains. A: A dark herringbone line down the middle of a coppery stripe in the Northern Pygmy Salamander; a clean, straight-edged red stripe in the Eastern Red-backed Salamander. B: Under about 2.3 in, with a short tail in the Northern Pygmy Salamander; 2.5 to 4 in, with a long tail in the Eastern Red-backed Salamander.

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

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