This species is known from two localities on the western slope of the Cordillera de Huancabamba, in Piura Region, Peru, at elevations of 1,600 and 1,735 m asl.
Habitat and Ecology
It is a humid montane cloud forest species that has also been recorded from disturbed habitats. Calling takes place from low vegetation and this species breeds by direct development.
It was formerly thought to be common where it is found, although few individuals have been observed. Nothing is known about the current population status of this species.
The threats to it are unclear, although there is some destruction and loss of habitat in the area due to agriculture and livestock grazing.
It is not known from any protected areas. It is listed as Vulnerable (VU) in Peru and has legal protection provided by the Categorization in Endangered Species of Wild Fauna (Decreto Supremo Nº004-2014-MINAGRI), which bans all hunting, capture, possession, transport or export of the species for commercial purposes.
Further taxonomic and field research is needed into this little-known species. Additional surveys are needed to better understand its distribution, population status, ecology and threats.
Red List Status
Data Deficient (DD)
Listed as Data Deficient in view of continuing uncertainties as to its extent of occurrence, population status and ecological requirements.
IUCN SSC Amphibian Specialist Group 2018. Pristimantis wiensi. The IUCN Red List of Threatened Species 2018: e.T57055A89210158. http://dx.doi.org/10.2305/IUCN.UK.2018-1.RLTS.T57055A89210158.en .Downloaded on 22 January 2019