Northern Birch Mouse vs Welsh onion

Sicista betulina compared with Allium fistulosum

Key Differences

• Northern Birch Mouse is Least Concern while Welsh onion is Critically Endangered.

Taxonomic Classification

Rank	Northern Birch Mouse	Welsh onion
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Asparagales (Asparagales)
Family	Dipodidae	Amaryllidaceae
Genus	Sicista	Allium
Species	Sicista betulina	Allium fistulosum

Conservation Status

Northern Birch Mouse

LC — Least Concern

Welsh onion

CR — Critically Endangered

Physical Characteristics

Attribute	Northern Birch Mouse	Welsh onion
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.

Welsh onion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria, Seychelles), Asia (Taiwan, Yemen), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Tuvalu), and South America (Brazil, Colombia, Peru). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden