Bare-legged Swiftlet vs Lesser Smoothcap

Aerodramus nuditarsus compared with Atrichum angustatum

Key Differences

• Bare-legged Swiftlet is Least Concern while Lesser Smoothcap is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Lesser Smoothcap
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Bryophyta
Class	Aves (Birds)	Polytrichopsida (Polytrichopsida)
Order	Apodiformes (Apodiformes)	Polytrichales (Polytrichales)
Family	Apodidae	Polytrichaceae
Genus	Aerodramus	Atrichum
Species	Aerodramus nuditarsus	Atrichum angustatum

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Lesser Smoothcap

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Lesser Smoothcap
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.

Lesser Smoothcap

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable 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