Atiu Swiftlet vs Austral ray

Aerodramus sawtelli compared with Bathyraja griseocauda

Key Differences

• Atiu Swiftlet is Vulnerable while Austral ray is Endangered.

Taxonomic Classification

Rank	Atiu Swiftlet	Austral ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Apodiformes (Apodiformes)	Rajiformes (Rajiformes)
Family	Apodidae	Arhynchobatidae
Genus	Aerodramus	Bathyraja
Species	Aerodramus sawtelli	Bathyraja griseocauda

Evolutionary Relationship

Atiu Swiftlet and Austral ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Austral ray

EN — Endangered

Physical Characteristics

Attribute	Atiu Swiftlet	Austral ray
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.

Austral ray

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. 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.

Austral ray

The Austral ray (Bathyraja griseocauda) is a species in the genus Bathyraja. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.