Arctic lemming vs Common Periwinkle

Dicrostonyx torquatus compared with Littorina littorea

Taxonomic Classification

Rank	Arctic lemming	Common Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Littorinimorpha (Littorinimorpha)
Family	Cricetidae	Littorinidae
Genus	Dicrostonyx	Littorina
Species	Dicrostonyx torquatus	Littorina littorea

Evolutionary Relationship

Arctic lemming and Common Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic lemming

LC — Least Concern

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Arctic lemming	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

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).

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. 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.