Common Periwinkle vs Mexican free-tailed bat

Littorina littorea compared with Tadarida brasiliensis

Taxonomic Classification

Rank	Common Periwinkle	Mexican free-tailed bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Chiroptera (Bats)
Family	Littorinidae	Molossidae
Genus	Littorina	Tadarida
Species	Littorina littorea	Tadarida brasiliensis

Evolutionary Relationship

Common Periwinkle and Mexican free-tailed bat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Mexican free-tailed bat

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Mexican free-tailed 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).

Mexican free-tailed 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.