Bare-legged Swiftlet vs Chatham Petrel

Aerodramus nuditarsus compared with Pterodroma axillaris

Key Differences

• Bare-legged Swiftlet is Least Concern while Chatham Petrel is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Chatham Petrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Procellariiformes (Procellariiformes)
Family	Apodidae	Procellariidae
Genus	Aerodramus	Pterodroma
Species	Aerodramus nuditarsus	Pterodroma axillaris

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Chatham Petrel

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Chatham Petrel
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 Petrel

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.

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 Petrel

The Chatham Petrel (Pterodroma axillaris) is a species in the genus Pterodroma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway