closeup on a western redback salamander, plethodon vehiculum sitting on green moss

amphibia amphibian chordata caudata hightonia holcomb magnification nature north american other pacific county plethodon vehiculum plethodontidae roan mountain us usa urodela washington state western redbacked salamander redback animal biology close up closeup herpetology lungless macro newt no people person one outdoors photograph predator single tailed vertebrate wild wildlife wood zoology