Bare-legged Swiftlet vs Gray-backed Tern

Aerodramus nuditarsus compared with Onychoprion lunatus

Taxonomic Classification

Rank	Bare-legged Swiftlet	Gray-backed Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Charadriiformes (Charadriiformes)
Family	Apodidae	Laridae
Genus	Aerodramus	Onychoprion
Species	Aerodramus nuditarsus	Onychoprion lunatus

Evolutionary Relationship

Bare-legged Swiftlet and Gray-backed Tern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Bare-legged Swiftlet	Gray-backed Tern
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.

Gray-backed Tern

Habitat

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

Range

Found in Norway.

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