Bare-tailed Armored Tree-rat
Pattonomys occasius
Red List assessment
Data Deficienton the IUCN Red List
- EXExtinct
- EWExtinct in the Wild
- CRCritically Endangered
- ENEndangered
- VUVulnerable
- NTNear Threatened
- LCLeast Concern
Data Deficient has no position on the scale above — it records the absence of an assessment, not a degree of risk.
The IUCN Red List records the Bare-tailed Armored Tree-rat as Data Deficient.
- Genus
- Pattonomys
- Red List category
- Data Deficient
- Data updated
- August 9, 2026
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The Bare-tailed Armored Tree-rat is one of the mammals assessed by the IUCN Red List, so it has a page here — with its scientific name, Pattonomys occasius, 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 Bare-tailed Armored Tree-rat
Is the Bare-tailed Armored Tree-rat endangered?
The IUCN Red List assesses the Bare-tailed Armored Tree-rat as Data Deficient. There is not enough information to judge the risk of extinction, usually because the species is rarely seen or has never been surveyed. It is not a reassuring category: several species were Data Deficient right up to the point they were found to be Critically Endangered.
What is the scientific name of the Bare-tailed Armored Tree-rat?
The Bare-tailed Armored Tree-rat is Pattonomys occasius.
Other species in the genus Pattonomys
Sources
Conservation status, range description and population estimate come from the IUCN Red List assessment for Pattonomys occasius. Countries are derived from that range description, not from a mapped country list. Last refreshed on .
The distribution map is drawn from the IUCN Red List spatial data compiled in 2008. IUCN (International Union for Conservation of Nature)