Bare-legged Swiftlet vs Nazca Booby

Aerodramus nuditarsus compared with Sula granti

Key Differences

• Bare-legged Swiftlet is Least Concern while Nazca Booby is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Nazca Booby
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	Sulidae
Genus	Aerodramus	Sula
Species	Aerodramus nuditarsus	Sula granti

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Nazca Booby

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Nazca Booby
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.

Nazca Booby

Habitat

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

Range

Distributed across Colombia, Ecuador, and 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway