Nesoryzomys darwini Osgood, 1929:23

Darwin’s Galápagos mouse, Darwin's rice rat, Darwin’s nesoryzomys



Taxonomy & Nomenclature



Conservation Status


Last record: 1930

IUCN RedList status: Extinct



Santa Cruz, Galápagos Islands, Ecuador


Biology & Ecology




1 preserved specimen in the Vertebrate Collection at Charles Darwin Research Station collection:

VCCDRS 142690

For full details, see:






Dowler, R. C., Carroll, D. S. and Edwards, C. W. (2000). Rediscovery of rodents (Genus Nesoryzomys) considered extinct in the Galápagos Islands. Oryx 34(2): 109-118.

Musser, G.G. and Carleton, M.D. 2005. Superfamily Muroidea. In: D.E. Wilson and D.A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Patton, J. L., and M. S. Hafner. 1983. Biosystematics of the native rodents of the Galapagos Archipelago, Ecuador. Pp. 539-568, in Patterns of evolution in Galapagos organisms (R. I. Bowman, M. Benson, and A. E. Leviton, eds.). American Association for the Advancement of Science, Pacific Division, San Francisco, CA, 568 pp.

Tirira, D., Dowler, R., Boada, C. & Weksler, M. (2008). Nesoryzomys darwini. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 12 September 2011.

Tirira, D.G. & Weksler, M. 2019. Nesoryzomys darwini. The IUCN Red List of Threatened Species 2019: e.T14706A22390382. Accessed on 18 June 2022.

Wilson, D.E. & Reeder, D.M. 2005 Mammal species of the world: a taxonomic and geographic reference. Third edition. Baltimore, MD: John Hopkins University Press.


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