Northern Birch Mouse vs

Sicista betulina compared with Ochrolechia subviridis

Key Differences

• Northern Birch Mouse is Least Concern while is Vulnerable.

Taxonomic Classification

Rank	Northern Birch Mouse
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Pertusariales (Pertusariales)
Family	Dipodidae	Ochrolechiaceae
Genus	Sicista	Ochrolechia
Species	Sicista betulina	Ochrolechia subviridis

Conservation Status

Northern Birch Mouse

LC — Least Concern

VU — Vulnerable

Physical Characteristics

Attribute	Northern Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ochrolechia subviridis is a crustose lichen forming thick, greenish-grey to whitish patches on siliceous rocks and tree bark in oceanic and montane habitats. It produces disc-shaped apothecia with a pale, pruinose surface and contains usnic acid compounds. Its Vulnerable status reflects sensitivity to habitat changes and atmospheric pollution in its restricted range.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden