The exact location of this morph in the wild is not known, but bronze populations exists on the Caribbean slopes of the Cocle Province of Panama. Two Germans, Holger Birkhahn and Klaus Wassmann, imported some legally collected Panamanian frogs in 1992 and split these wild collected individuals amongst themselves. The descendants became known in Europe as ‘birkhahn line auratus’ and ‘Wassmann line auratus.’ They were also called ‘bronce’ and ‘panama special.’ In 1997, Sean Stewart imported some captive born auratus from these lines and has been selling them as ‘Highland Bronze.’ This is a variable bronze morph with a pattern consisting of blue to green swirls and blotches. The bronze color lightens with age, which some exceptional individuals becoming very light colored with a silvery sheen. This morph has a reputation for being bold.
