Pristimantis ernesti

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Pristimantis ernesti
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Craugastoridae
Genus: Pristimantis
Species: P. ernesti
Binomial name
Pristimantis ernesti
(Flores, 1987)

Eleutherodactylus ernesti Flores, 1987

Pristimantis ernesti is a species of frog in the family Craugastoridae. It is endemic to the summit of Sumaco, a volcano in the Napo Province, Ecuador.[2][3] Its common name is Ernest's robber frog.[2] It is named after Dr. Ernst Williams, a friend and colleague of the scientist that described the species. It is a little studied species.[3]


Males measure about 29 mm (1.1 in) in snout–vent length. Female size is unknown. The dorsum is coffee-coloured with dark gray markings, including a "W" mark on its upper back. Dorsal skin is glandular with prominent dorsolateral ridges.[3]

Habitat and conservation[edit]

Its natural habitat is grassland and bushland on the summit of Sumaco.[1][3] Herpetological sources cite the altitude as being about 1,900 m (6,200 ft),[1][2][3] although other sources give maximum elevation of 3,732 m (12,244 ft) to this mountain.[4] The volcano is in the Sumaco Napo-Galeras National Park.[4] Nevertheless, being restricted to a single location, the population is vulnerable stochastic processes.[1]


  1. ^ a b c d Lynch, J.; Coloma, L.A. & Ron, S. (2004). "Pristimantis ernesti". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 11 February 2015. 
  2. ^ a b c Frost, Darrel R. (2014). "Pristimantis ernesti (Flores, 1987)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 11 February 2015. 
  3. ^ a b c d e Frenkel, C., Yánez-Muñoz, M. H., Guayasamín, J. M., Varela-Jaramillo, A. & Ron, S. R. 2013. AmphibiaWebEcuador. Version 2014.0. "Pristimantis ernesti". Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 11 February 2015. 
  4. ^ a b "Parque nacional Sumaco". Ministerio del Ambiente. Retrieved 8 February 2015.