Bare-legged Swiftlet vs Lesser Clouded Yellow

Aerodramus nuditarsus compared with Colias chrysotheme

Key Differences

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

Taxonomic Classification

Rank	Bare-legged Swiftlet	Lesser Clouded Yellow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Pieridae
Genus	Aerodramus	Colias
Species	Aerodramus nuditarsus	Colias chrysotheme

Evolutionary Relationship

Bare-legged Swiftlet and Lesser Clouded Yellow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Lesser Clouded Yellow

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Lesser Clouded Yellow
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 Clouded Yellow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries). 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.