Allen's Big-eared Bat vs Atiu Swiftlet

Idionycteris phyllotis compared with Aerodramus sawtelli

Key Differences

• Allen's Big-eared Bat is Least Concern while Atiu Swiftlet is Vulnerable.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Atiu Swiftlet
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mamalia)	Aves (burung)
Order	Chiroptera (Kelelawar)	Apodiformes (Apodiformes)
Family	Vespertilionidae	Apodidae
Genus	Idionycteris	Aerodramus
Species	Idionycteris phyllotis	Aerodramus sawtelli

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Atiu Swiftlet

VU — Vulnerable

Physical Characteristics

Attribute	Allen's Big-eared Bat	Atiu Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. 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.