Common Periwinkle vs Lake Baikal Mountain Vole

Littorina littorea compared with Alticola olchonensis

Key Differences

• Common Periwinkle is Least Concern while Lake Baikal Mountain Vole is Endangered.

Taxonomic Classification

Rank	Common Periwinkle	Lake Baikal Mountain Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Rodentia (Rodents)
Family	Littorinidae	Cricetidae
Genus	Littorina	Alticola
Species	Littorina littorea	Alticola olchonensis

Evolutionary Relationship

Common Periwinkle and Lake Baikal Mountain Vole share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Lake Baikal Mountain Vole

EN — Endangered

Physical Characteristics

Attribute	Common Periwinkle	Lake Baikal Mountain Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Lake Baikal Mountain Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Periwinkle

Common Periwinkle (Littorina littorea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.