Atiu Swiftlet vs Common Tern

Aerodramus sawtelli compared with Sterna hirundo

Key Differences

• Atiu Swiftlet is Vulnerable while Common Tern is Endangered.

Taxonomic Classification

Rank	Atiu Swiftlet	Common Tern
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order	Apodiformes (칼새목)	Charadriiformes (도요목)
Family	Apodidae	Laridae
Genus	Aerodramus	Sterna
Species	Aerodramus sawtelli	Sterna hirundo

Evolutionary Relationship

Atiu Swiftlet and Common Tern share a common ancestor at the Class level: Aves. (새)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Common Tern

EN — Endangered

Physical Characteristics

Attribute	Atiu Swiftlet	Common Tern
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 Tern

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 Tern

제비갈매기(Sterna hirundo)는 IUCN 적색목록에서 위기(EN)로 분류된다. 야생에서 멸종 위험이 높으며 상당한 개체수 감소와 생존을 위협하는 요인들이 지속되고 있다.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway