Amphibians
Dunn's Salamander
Plethodon dunni · also called Dunn's salamanders
Beneath a log resting right at the edge of an Oregon coastal stream, a Dunn’s salamander stays closer to running water than most of its lungless relatives ever bother to, rarely straying far enough away to lose sight of the moisture it depends on.
Overview
Dunn’s salamander, Plethodon dunni, is a lungless salamander native to forested coastal mountain habitat across Oregon and northern California. Its unusually close association with the immediate edges of streams and seepages sets it apart from several of its more forest-ranging Plethodon relatives.
A relative that never strays far from the water’s edge
While many of its close relatives wander well into the surrounding forest, Dunn’s salamander keeps to a narrow band right along the water’s margin, a habitat choice that defines much of how and where the species can actually be found.
Status
Least Concern — widespread and stable across suitable forested stream-edge habitat throughout Oregon and northern California.
Dunn's Salamander: common questions
Why does Dunn's salamander stay so close to water?
Dunn's salamander remains more closely tied to the immediate edge of streams and seepages than several of its Plethodon relatives, sheltering directly beneath rocks and logs right at the water's margin rather than ranging further into the surrounding forest, a habitat preference that sets it apart within its genus.
Does Dunn's salamander have an aquatic larval stage since it lives so close to water?
No, despite its close association with water, Dunn's salamander undergoes direct development with no free-living aquatic larval stage at all, hatching directly into a miniature terrestrial form, meaning its close relationship to water is about adult habitat preference rather than reproductive biology.
Who was Dunn's salamander named after?
Dunn's salamander is named in honour of the American herpetologist Emmett Reid Dunn, recognising his contributions to the study of amphibians, a naming convention shared with several other North American salamander species named after prominent herpetologists.
Where does Dunn's salamander live?
Dunn's salamander is native to forested coastal mountain habitat across Oregon and into northern California, generally staying close to streams, seepages, and other consistently moist forest floor conditions.