Blind Small-eared Shrew
Cryptotis niausa
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 Blind Small-eared Shrew as Data Deficient.
- Genus
- Cryptotis
- Red List category
- Data Deficient
- Data updated
- August 9, 2026
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The Blind Small-eared Shrew is one of the mammals assessed by the IUCN Red List, so it has a page here — with its scientific name, Cryptotis niausa, 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.
Each profile is researched and checked one species at a time, and there are thousands to go. You can put this one at the front of the queue.
In the meantime, the full assessment is on the IUCN Red List.
Questions about the Blind Small-eared Shrew
Is the Blind Small-eared Shrew endangered?
The IUCN Red List assesses the Blind Small-eared Shrew 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 Blind Small-eared Shrew?
The Blind Small-eared Shrew is Cryptotis niausa.
Other species in the genus Cryptotis
Sources
Conservation status, range description and population estimate come from the IUCN Red List assessment for Cryptotis niausa. 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 2019. IUCN SSC Small Mammal Specialist Group