Bare-legged Swiftlet vs Ferruginous Duck

Aerodramus nuditarsus compared with Aythya nyroca

Key Differences

• Bare-legged Swiftlet is Least Concern while Ferruginous Duck is Not Evaluated.

Taxonomic Classification

Rank	Bare-legged Swiftlet	Ferruginous Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Anseriformes (Anseriformes)
Family	Apodidae	Anatidae
Genus	Aerodramus	Aythya
Species	Aerodramus nuditarsus	Aythya nyroca

Evolutionary Relationship

Bare-legged Swiftlet and Ferruginous Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Bare-legged Swiftlet

LC — Least Concern

Ferruginous Duck

NE — Not Evaluated

Physical Characteristics

Attribute	Bare-legged Swiftlet	Ferruginous Duck
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.

Ferruginous Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Asia (Taiwan) and Europe (8 countries).

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.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway