Atiu Swiftlet vs trinta-réis-boreal / gaivina

Aerodramus sawtelli compared with Sterna hirundo

Key Differences

• Atiu Swiftlet is Vulnerable while trinta-réis-boreal / gaivina is Endangered.

Taxonomic Classification

Rank	Atiu Swiftlet	trinta-réis-boreal / gaivina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Apodiformes (Apodiformes)	Charadriiformes (Charadriiformes)
Family	Apodidae	Laridae
Genus	Aerodramus	Sterna
Species	Aerodramus sawtelli	Sterna hirundo

Evolutionary Relationship

Atiu Swiftlet and trinta-réis-boreal / gaivina share a common ancestor at the Class level: Aves. (ave)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

trinta-réis-boreal / gaivina

EN — Endangered

Physical Characteristics

Attribute	Atiu Swiftlet	trinta-réis-boreal / gaivina
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.

trinta-réis-boreal / gaivina

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.

trinta-réis-boreal / gaivina

O trinta-réis-comum (Sterna hirundo) está classificado como Em Perigo (EN) na Lista Vermelha da IUCN. Em alto risco de extinção na natureza, com declínio populacional significativo e ameaças contínuas à sobrevivência.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway