Common Periwinkle vs Ili Pika

Littorina littorea compared with Ochotona iliensis

Key Differences

• Common Periwinkle is Least Concern while Ili Pika is Endangered.

Taxonomic Classification

Rank	Common Periwinkle	Ili Pika
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Lagomorpha (Rabbits & Hares)
Family	Littorinidae	Ochotonidae
Genus	Littorina	Ochotona
Species	Littorina littorea	Ochotona iliensis

Evolutionary Relationship

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

Conservation Status

Common Periwinkle

LC — Least Concern

Ili Pika

EN — Endangered

Physical Characteristics

Attribute	Common Periwinkle	Ili Pika
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).

Ili Pika

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.