Common Periwinkle vs Greater Sac-winged Bat

Littorina littorea compared with Saccopteryx bilineata

Taxonomic Classification

Rank	Common Periwinkle	Greater Sac-winged Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Chiroptera (Bats)
Family	Littorinidae	Emballonuridae
Genus	Littorina	Saccopteryx
Species	Littorina littorea	Saccopteryx bilineata

Evolutionary Relationship

Common Periwinkle and Greater Sac-winged Bat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Greater Sac-winged Bat

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Greater Sac-winged Bat
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).

Greater Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.