Common Periwinkle vs Omilteme Cottontail

Littorina littorea compared with Sylvilagus insonus

Key Differences

• Common Periwinkle is Least Concern while Omilteme Cottontail is Data Deficient.

Taxonomic Classification

Rank	Common Periwinkle	Omilteme Cottontail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Lagomorpha (Rabbits & Hares)
Family	Littorinidae	Leporidae (Rabbits & Hares)
Genus	Littorina	Sylvilagus
Species	Littorina littorea	Sylvilagus insonus

Evolutionary Relationship

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

Conservation Status

Common Periwinkle

LC — Least Concern

Omilteme Cottontail

DD — Data Deficient

Physical Characteristics

Attribute	Common Periwinkle	Omilteme Cottontail
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).

Omilteme Cottontail

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.