Common Periwinkle vs Patagonian mara

Littorina littorea compared with Dolichotis patagonum

Key Differences

• Common Periwinkle is Least Concern while Patagonian mara is Near Threatened.

Taxonomic Classification

Rank	Common Periwinkle	Patagonian mara
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Rodentia (Rodents)
Family	Littorinidae	Caviidae
Genus	Littorina	Dolichotis
Species	Littorina littorea	Dolichotis patagonum

Evolutionary Relationship

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

Conservation Status

Common Periwinkle

LC — Least Concern

Patagonian mara

NT — Near Threatened

Physical Characteristics

Attribute	Common Periwinkle	Patagonian mara
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).

Patagonian mara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Belgium. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 1 countries:

🇧🇪 Belgium