Gray Birch Mouse vs Irish Major

Sicista pseudonapaea compared with Oxycera fallenii

Key Differences

• Gray Birch Mouse is Data Deficient while Irish Major is Vulnerable.

Taxonomic Classification

Rank	Gray Birch Mouse	Irish Major
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Diptera (Diptera)
Family	Dipodidae	Stratiomyidae
Genus	Sicista	Oxycera
Species	Sicista pseudonapaea	Oxycera fallenii

Evolutionary Relationship

Gray Birch Mouse and Irish Major share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Gray Birch Mouse

DD — Data Deficient

Irish Major

VU — Vulnerable

Physical Characteristics

Attribute	Gray Birch Mouse	Irish Major
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Irish Major

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.