Bare-legged Swiftlet vs roker

Aerodramus nuditarsus compared with Raja clavata

Key Differences

• Bare-legged Swiftlet is Least Concern while roker is Near Threatened.

Taxonomic Classification

Rank	Bare-legged Swiftlet	roker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Apodiformes (Apodiformes)	Rajiformes (Rajiformes)
Family	Apodidae	Rajidae
Genus	Aerodramus	Raja
Species	Aerodramus nuditarsus	Raja clavata

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Bare-legged Swiftlet	roker
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.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway