Bare-legged Swiftlet vs Feathered slender

Aerodramus nuditarsus compared with Caloptilia cuculipennella

Key Differences

• Bare-legged Swiftlet is Least Concern while Feathered slender is Near Threatened.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Feathered slender
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Gracillariidae
Genus	Aerodramus	Caloptilia
Species	Aerodramus nuditarsus	Caloptilia cuculipennella

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Feathered slender

NT — Near Threatened

Physical Characteristics

Attribute	Bare-legged Swiftlet	Feathered slender
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.

Feathered slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan), Europe (7 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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