Bare-legged Swiftlet vs Black-billed Flycatcher

Aerodramus nuditarsus compared with Aphanotriccus audax

Key Differences

• Bare-legged Swiftlet is Least Concern while Black-billed Flycatcher is Near Threatened.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Black-billed Flycatcher
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order	Apodiformes (칼새목)	Passeriformes (참새목)
Family	Apodidae	Tyrannidae
Genus	Aerodramus	Aphanotriccus
Species	Aerodramus nuditarsus	Aphanotriccus audax

Evolutionary Relationship

Bare-legged Swiftlet and Black-billed Flycatcher share a common ancestor at the Class level: Aves. (새)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Black-billed Flycatcher

NT — Near Threatened

Physical Characteristics

Attribute	Bare-legged Swiftlet	Black-billed Flycatcher
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.

Black-billed Flycatcher

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Norway, and Panama. 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.

Black-billed Flycatcher

The Black-billed Flycatcher (Aphanotriccus audax) is a species in the genus Aphanotriccus. It is currently classified as Near Threatened on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway