Bare-legged Swiftlet vs red underwing

Aerodramus nuditarsus compared with Catocala nupta

Key Differences

• Bare-legged Swiftlet is Least Concern while red underwing is Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet	red underwing
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Erebidae
Genus	Aerodramus	Catocala
Species	Aerodramus nuditarsus	Catocala nupta

Evolutionary Relationship

Bare-legged Swiftlet and red underwing share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

red underwing

EN — Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	red underwing
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.

red underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan. Currently classified as Endangered 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