Cope's Giant Salamander vs. Northwestern Salamander

Both can be gilled adults in the far northwest. A: A stream animal, blotched on the sides in the Cope's Giant Salamander; usually in ponds; plain, with long feathery gills in the Northwestern Salamander. B: Land adults are very rare (no open photo found anywhere) in the Cope's Giant Salamander; land adults common: plain brown with a gland behind the eye in the Northwestern Salamander.

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

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