Atiu Swiftlet vs Bigelow's ray

Aerodramus sawtelli compared with Rajella bigelowi

Key Differences

• Atiu Swiftlet is Vulnerable while Bigelow's ray is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Bigelow's ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Apodiformes (Apodiformes)	Rajiformes (Rajiformes)
Family	Apodidae	Rajidae
Genus	Aerodramus	Rajella
Species	Aerodramus sawtelli	Rajella bigelowi

Evolutionary Relationship

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

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Bigelow's ray

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Bigelow's 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.

Bigelow's ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Portugal.

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.

Bigelow's ray

The Bigelow's ray (Rajella bigelowi) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.