Bare-legged Swiftlet vs Royal Tern

Aerodramus nuditarsus compared with Thalasseus maximus

Taxonomic Classification

Rank	Bare-legged Swiftlet	Royal 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	Thalasseus
Species	Aerodramus nuditarsus	Thalasseus maximus

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Royal Tern

LC — Least Concern

Physical Characteristics

Attribute	Bare-legged Swiftlet	Royal 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.

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

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.

Royal Tern

Royal Tern (Thalasseus maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway