Bare-legged Swiftlet vs Brown eagle-ray

Aerodramus nuditarsus compared with Aetomylaeus milvus

Key Differences

• Bare-legged Swiftlet is Least Concern while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Apodiformes (Apodiformes)	Myliobatiformes (Myliobatiformes)
Family	Apodidae	Myliobatidae
Genus	Aerodramus	Aetomylaeus
Species	Aerodramus nuditarsus	Aetomylaeus milvus

Evolutionary Relationship

Bare-legged Swiftlet and Brown eagle-ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Bare-legged Swiftlet	Brown eagle-ray
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.

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered 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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.