Incilius periglenes Savage, 1966

Golden toad



Taxonomy & Nomenclature

Synonym/s: Bufo periglenes Savage, 1966; Cranopsis periglenes Savage, 1966


Conservation Status


Last record: 15 May 1989

IUCN RedList status: Extinct



Monteverde, Costa Rica


Biology & Ecology




At least 170 preserved specimens exist.






Original scientific description:

Savage, Jay. (1966). An extraordinary new toad from Costa Rica. Revista de Biología Tropical 14: 153-167.


Other references:

Coleman, Jeffrey L. (2020). Anthropogenic Drivers and Chytridiomycosis: Untangling the Disappearances of the Golden Toad and Costa Rican Variable Harlequin Toad and Addressing Amphibian Decline. Bulletin of the Chicago Herpetological Society 55(8): 157-162.

Crump, M.L., Hensley, F.R. and Clark, K.L. (1992). Apparent decline of the golden toad: Underground or extinct? Copeia 1992(2): 413-420. [Abstract]

IUCN SSC Amphibian Specialist Group. 2020. Incilius periglenes. The IUCN Red List of Threatened Species 2020: e.T3172A54357699. Downloaded on 23 June 2021.

Jacobson, Susan K. and Vandenberg, John J. (1991). Reproductive Ecology of the Endangered Golden Toad (Bufo periglenes). Journal of Herpetology 25(3): 321-327. [Abstract]

Philipps, K. (1990). Frogs in trouble. International Wildlife 20(6): 4-11.

Pounds, J. A. and Crump, M. L. (1994). Amphibian declines and climate disturbance: The case of the golden toad and the harlequin frog. Conservation Biology: 72-85.

Pounds, J.A., Fogden, P.L., Savage, J.M. and Gorman, G.C. (1997). Test of null models for amphibian declines on a tropical mountain. Conserv. Biol. 11: 1307-1322.

Alan Pounds, Jay Savage, Federico Bolaños. (2004). Incilius periglenes. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 10 February 2013.

Richards-Hrdlicka, Kathryn L. (2013). Preserved Specimens of the Extinct Golden Toad of Monteverde (Cranopsis periglenes) Tested Negative for the Amphibian Chytrid Fungus (Batrachochytrium dendrobatidis). Journal of Herpetology 47(3): 456-458. [Abstract]


<< Back to the Anura (Frogs and Toads) database