Smallest mammal by mass
The current smallest mammal by mass record is 0 lb, held by Etruscan shrew. Last checked October 14, 2026.
0
lb
Etruscan shrew
- Holder
- Etruscan shrew
- Record
- 0 lb
- Metric
- 0 kg
- Exact figure
- About 1.8 g (0.06 oz)
- Location
- Mediterranean region, Asia and Africa
- Last checked
- October 14, 2026
Sources
- Wikipedia Read the source
- Wikipedia Read the source
- guinnessworldrecords.com Smallest mammal on land
- wiley.com Read the source
- nih.gov Read the source
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