Northern birch mouse
Sicista betulina (Pallas, 1779)
The northern birch mouse (Sicista betulina) is a species in the family Dipodidae, order Rodentia. Recorded adults weigh 8 g to 8.92 g and live up to 3.5 years. Its IUCN Red List status is Least Concern.

Quick facts about the northern birch mouse
- Weight
- 8 g – 8.92 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 3.5 yearssrc for Lifespan
- Diet
- Herbivoresrc for Diet
- Longest recorded lifespan
- 4 years
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 18 days – 30.5 dayssrc for Gestation
- Young per litter or clutch
- 5.08src for Young per litter or clutch
- Age at maturity
- 12 monthssrc for Age at maturity
- Litters or clutches a year
- 1src for Litters or clutches a year
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Terrestrialsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the northern birch mouse live?
Not recorded
What is the northern birch mouse?
The northern birch mouse (Sicista betulina) is a small rodent about 5 to 8 cm (2.0 to 3.1 in) long (without the tail), weighing 5 to 13 g (0.18 to 0.46 oz). It lives in northern Europe and Asia in forest and marsh zones.
It hibernates in burrows. It eats shoots, grains, berries, and sometimes insects.
From the Wikipedia article “Northern birch mouse” (en.wikipedia.org/w/index.php?title=Northern_birch_mouse&oldid=1375473071), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the northern birch mouse endangered?
The northern birch mouse is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.
How is the northern birch mouse classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderRodentia
- familyDipodidae
- genusSicista
- SpeciesSicista betulina (Pallas, 1779)
Synonyms Mus betulinus, Sicista betulina taigica, Sicista montana, Sicista norvegica, Sminthus tatricus
Other names and names in other languages (26)
- Мышоўка ляснаяBelarusian
- myšivka horskáCzech
- BirkemusDanish
- StreifenhüpfmausGerman
- WaldbirkenmausGerman
- Βόρειος ΣημυδοποντικόςGreek
- Ratón Listado NórdicoSpanish
- kasetriibikEstonian
- koivuhiiriFinnish
- Siciste des bouleauxFrench
- Sminto betulinoItalian
- Topolino delle betulle settentrionaleItalian
- モリオナガネズミJapanese
- Орман тышқаныKazakh
- Beržinė sicistaLithuanian
- bjørkemusNorwegian Bokmål
- BerkenmuisDutch
- smużka leśnaPolish
- Лесная мышовкаRussian
- Myšovka horskáSlovak
- brezova mišSlovenian
- Nordisk buskmusSwedish
- björkmusSwedish
- buskmusSwedish
- Мишівка лісоваUkrainian
- 林蹶鼠Chinese
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List
Relatives of the northern birch mouse
Other species in the same genus Sicista.

Southern birch mouse
Sicista subtilis
Armenian birch mouse
Sicista armenica
Caucasian birch mouse
Sicista caucasica
Altai birch mouse
Sicista napaea
Gray birch mouse
Sicista pseudonapaea
Kluchor birch mouse
Sicista kluchorica
CompareNorthern birch mouse vs Southern birch mouseNorthern birch mouse vs Armenian birch mouseNorthern birch mouse vs Caucasian birch mouseNorthern birch mouse vs Altai birch mouse
Common questions
Answered only where our data holds the answer.
How big is the northern birch mouse?
An adult northern birch mouse weighs 8 g – 8.92 g, according to values recorded on Wikidata.
Is the northern birch mouse endangered?
The northern birch mouse is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the northern birch mouse live?
The northern birch mouse has a recorded lifespan of 3.5 years.
How long is the northern birch mouse pregnant?
The recorded gestation period is 18 days – 30.5 days.
What kind of animal is the northern birch mouse?
The northern birch mouse (Sicista betulina) belongs to the family Dipodidae in the order Rodentia.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Northern birch mouse (Sicista betulina). Retrieved from https://creaturedata.com/animals/northern-birch-mouse
“Northern birch mouse (Sicista betulina).” CreatureData, 2026, https://creaturedata.com/animals/northern-birch-mouse.
@misc{northern_birch_mouse_2026,
title = {Northern birch mouse (Sicista betulina)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/northern-birch-mouse},
note = {Data as of 2026-11-11}
}