Nesoryzomys indefessus
Nesoryzomys indefessus, also known as the Santa Cruz nesoryzomys[3] or Indefatigable Galápagos mouse,[4] is a rodent of the genus Nesoryzomys of family Cricetidae from Galápagos Islands of Ecuador. It contains two subspecies: one (N. i. indefessus) formerly lived on Santa Cruz Island, but is now extinct, probably due to the introduction of black rats; and another (N. i. narboroughi) that is still alive on Fernandina Island. The two are sometimes considered to be different species.
| Nesoryzomys indefessus | |
|---|---|
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Rodentia | 
| Family: | Cricetidae | 
| Subfamily: | Sigmodontinae | 
| Genus: | Nesoryzomys | 
| Species: | †N. indefessus  | 
| Binomial name | |
| †Nesoryzomys indefessus (Thomas, 1899)  | |
| Subspecies | |
  | |
Its specific name is Latin for "unwearied, indefatigable", but the species was named after its island, which was formerly known as "Indefatigable Island" after a ship with the same name.
Footnotes
    
References
    
- Tirira, D.G.; Weksler, M. (2019). "Nesoryzomys indefessus". IUCN Red List of Threatened Species. 2019: e.T14708A22390443. doi:10.2305/IUCN.UK.2019-1.RLTS.T14708A22390443.en. Retrieved 19 November 2021.
 - Tirira, D.G.; Weksler, M. (2019). "Nesoryzomys indefessus". IUCN Red List of Threatened Species. 2019: e.T14708A22390443. doi:10.2305/IUCN.UK.2019-1.RLTS.T14708A22390443.en.
 - Musser and Carleton, 2005
 - Duff and Lawson, 2004
 
Literature cited
    
- Musser, G.G. and Carleton, M.D. 2005. Superfamily Muroidea. Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.). Mammal Species of the World: a taxonomic and geographic reference. 3rd ed. Baltimore: The Johns Hopkins University Press, 2 vols., 2142 pp. ISBN 978-0-8018-8221-0
 - Tirira, D., Dowler, R., Boada, C. and Weksler, M. 2008. Nesoryzomys indefessus. In IUCN. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on December 8, 2009.
 
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