Arctic Tern vs Atiu Swiftlet

Sterna paradisaea compared with Aerodramus sawtelli

Key Differences

• Arctic Tern is Least Concern while Atiu Swiftlet is Vulnerable.

Taxonomic Classification

Rank	Arctic Tern	Atiu Swiftlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Apodiformes (Apodiformes)
Family	Laridae	Apodidae
Genus	Sterna	Aerodramus
Species	Sterna paradisaea	Aerodramus sawtelli

Evolutionary Relationship

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

Conservation Status

Arctic Tern

LC — Least Concern

Atiu Swiftlet

VU — Vulnerable

Physical Characteristics

Attribute	Arctic Tern	Atiu Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Tern

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador).

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.

Arctic Tern

Arctic Tern (Sterna paradisaea) 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.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway