Northern Birch Mouse vs Window Gnat

Sicista betulina compared with Sylvicola fenestralis

Taxonomic Classification

Rank	Northern Birch Mouse	Window Gnat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Diptera (Diptera)
Family	Dipodidae	Anisopodidae
Genus	Sicista	Sylvicola
Species	Sicista betulina	Sylvicola fenestralis

Evolutionary Relationship

Northern Birch Mouse and Window Gnat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Northern Birch Mouse

LC — Least Concern

Window Gnat

LC — Least Concern

Physical Characteristics

Attribute	Northern Birch Mouse	Window Gnat
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.

Window Gnat

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden