Atiu Swiftlet vs Big-eared opossum

Aerodramus sawtelli compared with Didelphis aurita

Key Differences

• Atiu Swiftlet is Vulnerable while Big-eared opossum is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Big-eared opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Didelphimorphia (Didelphimorphia)
Family	Apodidae	Didelphidae
Genus	Aerodramus	Didelphis
Species	Aerodramus sawtelli	Didelphis aurita

Evolutionary Relationship

Atiu Swiftlet and Big-eared opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Big-eared opossum

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Big-eared opossum
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.

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.