Bare-legged Swiftlet vs Lesser Siren

Aerodramus nuditarsus compared with Siren intermedia

Taxonomic Classification

Rank	Bare-legged Swiftlet	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Apodiformes (Apodiformes)	Caudata (Caudata)
Family	Apodidae	Sirenidae
Genus	Aerodramus	Siren
Species	Aerodramus nuditarsus	Siren intermedia

Evolutionary Relationship

Bare-legged Swiftlet and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Bare-legged Swiftlet	Lesser Siren
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 Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

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.