Indefatigable Galapagos Mouse
Nesoryzomys indefessus
Red List assessment
Extincton the IUCN Red List
- EXExtinct
- EWExtinct in the Wild
- CRCritically Endangered
- ENEndangered
- VUVulnerable
- NTNear Threatened
- LCLeast Concern
The IUCN Red List assesses the Indefatigable Galapagos Mouse as Extinct.
- Genus
- Nesoryzomys
- Red List category
- Extinct
- Data updated
- August 9, 2026
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The Indefatigable Galapagos Mouse is one of the mammals assessed by the IUCN Red List, so it has a page here — with its scientific name, Nesoryzomys indefessus, its conservation category and, where one is known, a recorded observation on the map. What is missing is the rest: habitat, distribution, diet, behaviour, threats and the conservation work under way.
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In the meantime, the full assessment is on the IUCN Red List.
Questions about the Indefatigable Galapagos Mouse
Is the Indefatigable Galapagos Mouse endangered?
The IUCN Red List assesses the Indefatigable Galapagos Mouse as Extinct. No reasonable doubt remains that the last individual has died. A species is only declared Extinct after exhaustive surveys of its known range, at the times and in the seasons it would be expected to appear, have failed to record it.
What is the scientific name of the Indefatigable Galapagos Mouse?
The Indefatigable Galapagos Mouse is Nesoryzomys indefessus.
Other species in the genus Nesoryzomys
Sources
Conservation status, range description and population estimate come from the IUCN Red List assessment for Nesoryzomys indefessus. Countries are derived from that range description, not from a mapped country list. Last refreshed on .