#0072 · 🦊 mammals
Hazel Dormouse
🇳🇱 Hazelmuis ·Muscardinus avellanarius
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
The hazel dormouse or common dormouse ( Muscardinus avellanarius ) is a small mammal and the only living species in the genus Muscardinus .
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- Spotted 1 times in the Netherlands on iNaturalist.
- 1,781 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Hazel Dormouse
- Nederlands
- Hazelmuis
- scientific name
- Muscardinus avellanarius
- class
- Mammalia
- order
- Rodentia
- family
- Gliridae
- IUCN Red List
- LC · least concern
- in NL
- native
- sightings in NL
- 1
- sightings in Europe
- 1,360
- sightings worldwide
- 1,781
- GBIF records in NL
- 263
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Gliridae
Sources: iNaturalist taxon 45856, Wikidata Q207148, GBIF 2439658, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.