Atiu Swiftlet vs Red-billed Duck

Aerodramus sawtelli compared with Anas erythrorhyncha

Key Differences

• Atiu Swiftlet is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Red-billed 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	Anas
Species	Aerodramus sawtelli	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Red-billed 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.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

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.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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