Cryptobatrachus boulengeri Ruthven, 1916

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Genus: Cryptobatrachus > Species: Cryptobatrachus boulengeri

Cryptobatrachus boulengeri Ruthven, 1916, Occas. Pap. Mus. Zool. Univ. Michigan, 33: 2. Holotype: UMMZ 48530, by original designation. Type locality: "San Lorenzo, elevation of 4,500 feet, Santa Marta Mountains, [Departamento Magdalena,] Colombia".

Hyloscirtus boulengeriNoble, 1917, Bull. Am. Mus. Nat. Hist., 37: 805.

English Names

Boulenger's Backpack Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 52).


Endemic to the slopes of the Sierra Nevada de Santa Marta, an isolated mountain range in Caribbean Colombia with wet montane habitats, recorded on rocks within fast-flowing streams and near waterfalls, 250–1790 m elevation. 

Geographic Occurrence

Natural Resident: Colombia

Endemic: Colombia


See account provided in Lynch, 2008, Zootaxa, 1883: 26-68. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 313. Rueda-Solano and Vargas-Salinas, 2014, Herpetotropicos, Mérida, 10: 51–52, provided a range extension, discussed habitat, and mapped the known range. 

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.