Bare-legged Swiftlet vs Chatham shag

Aerodramus nuditarsus compared with Leucocarbo onslowi

Key Differences

• Bare-legged Swiftlet is Least Concern while Chatham shag is Critically Endangered.

Taxonomic Classification

Rank	Bare-legged 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 nuditarsus	Leucocarbo onslowi

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Chatham shag

CR — Critically Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	Chatham shag
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-legged Swiftlet

Habitat

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

Range

Found in Norway.

Chatham shag

Habitat

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

Bare-legged Swiftlet

The Bare-legged Swiftlet (Aerodramus nuditarsus) is a species in the genus Aerodramus. It is currently classified as Least Concern 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.