Bare-legged Swiftlet vs Elm Button

Aerodramus nuditarsus compared with Acleris kochiella

Key Differences

• Bare-legged Swiftlet is Least Concern while Elm Button is Vulnerable.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Elm Button
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	Acleris
Species	Aerodramus nuditarsus	Acleris kochiella

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Elm Button

VU — Vulnerable

Physical Characteristics

Attribute	Bare-legged Swiftlet	Elm Button
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.

Elm Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden. 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.