Incilius holdridgei Taylor, 1952

Holdridge's toad



Taxonomy & Nomenclature

Synonym/s: Bufo holdridgei Taylor, 1952


Conservation Status

Last record: 1985 (1987?)

Rediscovered in 2009

IUCN RedList status: Critically Endangered



Costa Rica


Biology & Ecology










Original scientific description:

Taylor, E. H. (1952). A review of the frogs and toads of Costa Rica. University of Kansas Science Bulletin 35: 577-942.

Other references:

Abarca, Juan G. (2012). Conservation Status and Ecological Notes of the Previously Extinct Toad Incilius holdridgei (Taylor, 1952), Costa Rica. FrogLog 20(3): 12-14.

Abarca, Juan G., Chaves, A. García-Rodríguez and R. Vargas. (2010). Reconsidering extinction: Rediscovery of [i]Incilius holdridgei[/i] (Anura: Bufonidae) in Costa Rica after 25 years. Herpetological Review 41(2): 150-152.

NatureServe & IUCN SSC Amphibian Specialist Group. (2012). Incilius holdridgei. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 14 July 2013.

Novak, R. M. and Robinson, D. C. (1975). Observations on the reproduction and ecology of the tropical montane toad, Bufo holdrigei Taylor in Costa Rica. Revista de Biologia Tropical 1975: 213-237.

Regalado, Pedro Galán. (2015). Los Anfibios y Reptiles Extinguidos: Herpetofauna Desaparecida Desde el Año 1500. Monografías de la Universidade da Coruña 155: 1-509.


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