Bare-legged Swiftlet vs Bigeye Numbfish

Aerodramus nuditarsus compared with Narcine oculifera

Key Differences

• Bare-legged Swiftlet is Least Concern while Bigeye Numbfish is Data Deficient.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Bigeye Numbfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Apodiformes (Apodiformes)	Torpediniformes (electric ray)
Family	Apodidae	Narcinidae
Genus	Aerodramus	Narcine
Species	Aerodramus nuditarsus	Narcine oculifera

Evolutionary Relationship

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

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Bigeye Numbfish

DD — Data Deficient

Physical Characteristics

Attribute	Bare-legged Swiftlet	Bigeye Numbfish
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.

Bigeye Numbfish

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.

Bigeye Numbfish

The Bigeye Numbfish (Narcine oculifera) is a species in the genus Narcine.