Atiu Swiftlet vs Common Periwinkle

Aerodramus sawtelli compared with Littorina littorea

Key Differences

• Atiu Swiftlet is Vulnerable while Common Periwinkle is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Common Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Apodiformes (Apodiformes)	Littorinimorpha (Littorinimorpha)
Family	Apodidae	Littorinidae
Genus	Aerodramus	Littorina
Species	Aerodramus sawtelli	Littorina littorea

Evolutionary Relationship

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

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atiu Swiftlet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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).

Atiu Swiftlet

The Atiu Swiftlet (Aerodramus sawtelli) is a species in the genus Aerodramus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway