Bare-legged Swiftlet vs Dark Roller

Aerodramus nuditarsus compared with Ancylis upupana

Key Differences

• Bare-legged Swiftlet is Least Concern while Dark Roller is Near Threatened.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Dark Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Tortricidae
Genus	Aerodramus	Ancylis
Species	Aerodramus nuditarsus	Ancylis upupana

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Dark Roller

NT — Near Threatened

Physical Characteristics

Attribute	Bare-legged Swiftlet	Dark Roller
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.

Dark Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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