Common Periwinkle vs Hairy-nosed otter

Littorina littorea compared with Lutra sumatrana

Key Differences

• Common Periwinkle is Least Concern while Hairy-nosed otter is Endangered.

Taxonomic Classification

Rank	Common Periwinkle	Hairy-nosed otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Carnivora (Carnivorans)
Family	Littorinidae	Mustelidae (Weasels & Otters)
Genus	Littorina	Lutra (Otters)
Species	Littorina littorea	Lutra sumatrana

Evolutionary Relationship

Common Periwinkle and Hairy-nosed otter share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Hairy-nosed otter

EN — Endangered

Physical Characteristics

Attribute	Common Periwinkle	Hairy-nosed otter
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).

Hairy-nosed otter

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.