Common Periwinkle vs Perija Small-eared Shrew

Littorina littorea compared with Cryptotis perijensis

Key Differences

• Common Periwinkle is Least Concern while Perija Small-eared Shrew is Data Deficient.

Taxonomic Classification

Rank	Common Periwinkle	Perija Small-eared 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	Cryptotis
Species	Littorina littorea	Cryptotis perijensis

Evolutionary Relationship

Common Periwinkle and Perija Small-eared Shrew share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Perija Small-eared Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Common Periwinkle	Perija Small-eared 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).

Perija Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.