This species is known from two localities at altitudes of 1,600 and 1,735m asl in humid montane forest on the western slope of the Cordillera de Huancabamba, in Piura Department, Peru.
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 is common where it is found, although few individuals have been observed.
The threats to it are unclear, although there is some destruction and loss of habitat in the area due to livestock grazing and subsistence collection of wood.
It is not known from any protected areas. There is a need to maintain the remaining habitat at the known localities. Further research is needed into this little-known species.
Lily Rodríguez, Jorge Luis Martinez, Erik Wild 2004. Pristimantis wiensi. In: IUCN 2014