Caucasian Birch Mouse vs Common Periwinkle

Sicista caucasica compared with Littorina littorea

Key Differences

• Caucasian Birch Mouse is Near Threatened while Common Periwinkle is Least Concern.

Taxonomic Classification

Rank	Caucasian Birch Mouse	Common Periwinkle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Mollusca (軟体動物)
Class	Mammalia (哺乳類)	Gastropoda (腹足綱)
Order	Rodentia (ネズミ目)	Littorinimorpha (タマキビガイ下目)
Family	Dipodidae	Littorinidae
Genus	Sicista	Littorina
Species	Sicista caucasica	Littorina littorea

Evolutionary Relationship

Caucasian Birch Mouse and Common Periwinkle share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Caucasian Birch Mouse

NT — Near Threatened

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Caucasian Birch Mouse	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Caucasian Birch Mouse

The Caucasian Birch Mouse (Sicista caucasica) is a species in the genus Sicista. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Periwinkle

タマキビ（Littorina littorea）はIUCNレッドリストで軽度懸念（LC）に分類されている。分布域全体で広く生息し個体数は安定しており、早急な保全上の懸念はない。