Atiu Swiftlet vs Ring-necked Duck

Aerodramus sawtelli compared with Aythya collaris

Key Differences

• Atiu Swiftlet is Vulnerable while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Ring-necked 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 sawtelli	Aythya collaris

Evolutionary Relationship

Atiu Swiftlet and Ring-necked Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atiu Swiftlet

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ring-necked Duck

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Atiu Swiftlet

The Atiu Swiftlet (Aerodramus sawtelli) is a species in the genus Aerodramus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Ring-necked Duck

Ring-necked Duck (Aythya collaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway