Atiu Swiftlet vs Worcester Crest

Aerodramus sawtelli compared with Dichomeris ustalella

Key Differences

• Atiu Swiftlet is Vulnerable while Worcester Crest is Not Evaluated.

Taxonomic Classification

Rank	Atiu Swiftlet	Worcester Crest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Gelechiidae
Genus	Aerodramus	Dichomeris
Species	Aerodramus sawtelli	Dichomeris ustalella

Evolutionary Relationship

Atiu Swiftlet and Worcester Crest share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Worcester Crest

NE — Not Evaluated

Physical Characteristics

Attribute	Atiu Swiftlet	Worcester Crest
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.

Worcester Crest

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden.

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.