#0191 · 🦊 mammals
Northern Birch Mouse
🇳🇱 Berkenmuis ·Sicista betulina
📍 Russia, Novosibirsk Province, Iskitim District, 6 km NW of Ust'-Chyom village, the Bol'shoy Elbash River forested valley
📍 Шарангский р-н, Нижегородская обл., Россия
📍 Lutowiska, Lutowiska, Subcarpathia, PL
📍 Иванковский район, Киевская область, Украина
📍 South Savo, FI-IS, FI
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Oleg Kosterin · CC BY 4.0
- 2. © Pavel Shukov · CC BY-NC 4.0
- 3. © Алексей Эбель · CC BY-NC 4.0
- 4. © Lola Smirnova · CC BY-NC 4.0
- 5. © Tamás Cserkész · CC BY-NC-SA 4.0
- 6. Russia, Novosibirsk Province, Iskitim District, 6 km NW of Ust'-Chyom village, the Bol'shoy Elbash River forested valley:© Oleg Kosterin · CC BY 4.0
- 7. Шарангский р-н, Нижегородская обл., Россия:© Pavel Shukov · CC BY-NC 4.0
- 8. Lutowiska, Lutowiska, Subcarpathia, PL:© gmajson · CC BY-NC 4.0
- 9. Иванковский район, Киевская область, Украина:© Denys Vyshnevskyi · CC BY-NC 4.0
- 10. South Savo, FI-IS, FI:© lavilva · CC BY-NC 4.0
what is it?
The northern birch mouse ( Sicista betulina ) is a small rodent about 5 to 8 cm long (without the tail), weighing 5 to 13 g. It lives in northern Europe and Asia in forest and marsh zones.
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
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 139 observations worldwide on iNaturalist.
- Scientifically named by Peter Simon Pallas in 1779 (247 years ago).
fact sheet
- English
- Northern Birch Mouse
- Nederlands
- Berkenmuis
- scientific name
- Sicista betulina
- class
- Mammalia
- order
- Rodentia
- family
- Sminthidae
- IUCN Red List
- LC · least concern
- sightings in NL
- 0
- sightings in Europe
- 85
- sightings worldwide
- 139
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1779 by Peter Simon Pallas
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
Sources: iNaturalist taxon 43872, Wikidata Q751958, GBIF 2439449, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.