Atiu Swiftlet vs Chatham shag

Aerodramus sawtelli compared with Leucocarbo onslowi

Key Differences

• Atiu Swiftlet is Vulnerable while Chatham shag is Critically Endangered.

Taxonomic Classification

Rank	Atiu Swiftlet	Chatham shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Suliformes (Suliformes)
Family	Apodidae	Phalacrocoracidae
Genus	Aerodramus	Leucocarbo
Species	Aerodramus sawtelli	Leucocarbo onslowi

Evolutionary Relationship

Atiu Swiftlet and Chatham shag share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Chatham shag

CR — Critically Endangered

Physical Characteristics

Attribute	Atiu Swiftlet	Chatham shag
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.

Chatham shag

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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.

Chatham shag

The Chatham shag (Leucocarbo onslowi) is a species in the genus Leucocarbo. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.