Bare-legged Swiftlet vs Black-edged Marble

Aerodramus nuditarsus compared with Endothenia nigricostana

Key Differences

• Bare-legged Swiftlet is Least Concern while Black-edged Marble is Near Threatened.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Black-edged Marble
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	Endothenia
Species	Aerodramus nuditarsus	Endothenia nigricostana

Evolutionary Relationship

Bare-legged Swiftlet and Black-edged Marble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Black-edged Marble

NT — Near Threatened

Physical Characteristics

Attribute	Bare-legged Swiftlet	Black-edged Marble
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-edged Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, 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.

Black-edged Marble

The Black-edged Marble (Endothenia nigricostana) is a species in the genus Endothenia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.