Atiu Swiftlet vs Blackstem Spleenwort

Aerodramus sawtelli compared with Asplenium resiliens

Key Differences

• Atiu Swiftlet is Vulnerable while Blackstem Spleenwort is Not Evaluated.

Taxonomic Classification

Rank	Atiu Swiftlet	Blackstem Spleenwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Aves (Birds)	Polypodiopsida (Polypodiopsida)
Order	Apodiformes (Apodiformes)	Polypodiales (Polypodiales)
Family	Apodidae	Aspleniaceae
Genus	Aerodramus	Asplenium
Species	Aerodramus sawtelli	Asplenium resiliens

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Blackstem Spleenwort

NE — Not Evaluated

Physical Characteristics

Attribute	Atiu Swiftlet	Blackstem Spleenwort
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.

Blackstem Spleenwort

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and United States.

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.

Blackstem Spleenwort

The Blackstem Spleenwort (Asplenium resiliens) is a species in the genus Asplenium. Typically found in moist, shaded forest floors and tropical canopies.