Marsh Pea vs Northern Birch Mouse

Lathyrus palustris compared with Sicista betulina

Key Differences

• Marsh Pea is Endangered while Northern Birch Mouse is Least Concern.

Taxonomic Classification

Rank	Marsh Pea	Northern Birch Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Fabales (Legumes & Allies)	Rodentia (Rodents)
Family	Fabaceae	Dipodidae
Genus	Lathyrus	Sicista
Species	Lathyrus palustris	Sicista betulina

Conservation Status

Marsh Pea

EN — Endangered

Northern Birch Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Marsh Pea

Habitat

Found across multiple habitat types including boreal forests and taiga, Mediterranean forests and woodlands, and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Israel), Europe (7 countries), North America (Canada, United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden