within its range, by 2008 no populations could be located, with only one sighting in the previous few years. Normally a resident of virgin forest, it does not adapt well to living in secondary growth, but the amount of logging within its range is insufficient to account for its dramatic population decline, which remains unexplained. References aureus Amphibians described in 1994 Endemic amphibians of Mexico Fauna of the Sierra Madre de Oaxaca Taxonomy articles created by Polbot