Common Periwinkle vs Pearson's Long-clawed Shrew

Littorina littorea compared with Solisorex pearsoni

Key Differences

• Common Periwinkle is Least Concern while Pearson's Long-clawed Shrew is Endangered.

Taxonomic Classification

Rank	Common Periwinkle	Pearson's Long-clawed Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Soricomorpha (Soricomorpha)
Family	Littorinidae	Soricidae
Genus	Littorina	Solisorex
Species	Littorina littorea	Solisorex pearsoni

Evolutionary Relationship

Common Periwinkle and Pearson's Long-clawed Shrew share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Pearson's Long-clawed Shrew

EN — Endangered

Physical Characteristics

Attribute	Common Periwinkle	Pearson's Long-clawed Shrew
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).

Pearson's Long-clawed Shrew

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.