Atiu Swiftlet vs Fen Roller

Aerodramus sawtelli compared with Ancylis paludana

Key Differences

• Atiu Swiftlet is Vulnerable while Fen Roller is Near Threatened.

Taxonomic Classification

Rank	Atiu Swiftlet	Fen Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Apodidae	Tortricidae
Genus	Aerodramus	Ancylis
Species	Aerodramus sawtelli	Ancylis paludana

Evolutionary Relationship

Atiu Swiftlet and Fen Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Fen Roller

NT — Near Threatened

Physical Characteristics

Attribute	Atiu Swiftlet	Fen Roller
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.

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.