This species looks superficially similar to the Black-Bellied Salamanders (D. quadramaculatus and D. folkertsi), but its belly is one feature that differentiates it.
The Oregon Slender Salamander (Batrachoseps wrightorum) has an impressively long body and tail, and exhibits an amazing and amusing array of defensive postures, from curling, writhing, rolling, and playing dead. --- Opal Creek Wilderness, Oregon (USA)
As the name would suggest, this climbing salamander is found in the upper (western) Amazon basin, where it is known as Nauta Salamander. Sacha Lodge Reserve, Ecuador.