Northern Birch Mouse
VU

Northern Birch Mouse

Sicista betulina

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Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Northern_birch_mouse

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Northern Birch Mouse faces significant population declines due to habitat fragmentation and loss of its specialized birch forest ecosystems across northern Europe and Asia. Climate change poses an additional threat by altering the composition and distribution of boreal forests, potentially reducing suitable habitat for this cold-adapted species. Agricultural expansion and forestry practices that remove birch stands further fragment remaining populations, limiting genetic exchange between isolated groups.

Threat summary

Habitat

The Northern Birch Mouse inhabits boreal and mixed forests dominated by birch trees across northern Europe and Asia, particularly favoring areas with dense understory vegetation. It requires forest habitats with adequate ground cover for foraging and nesting, typically in regions with cold winters and moderate summers.

Frequently asked questions

Why is Northern Birch Mouse classified as Vulnerable?
Northern Birch Mouse is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Northern Birch Mouse faces significant population declines due to habitat fragmentation and loss of its specialized birch forest ecosystems across northern Europe and Asia. Climate change poses an additional threat by altering the composition and distribution of boreal forests, potentially reducing suitable habitat for this cold-adapted species. Agricultural expansion and forestry practices that remove birch stands further fragment remaining populations, limiting genetic exchange between isolated groups.
Where does Northern Birch Mouse live?
Northern Birch Mouse occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Northern Birch Mouse?
The main threats to Northern Birch Mouse are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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