Atiu Swiftlet vs thick-lipped risso snail

Aerodramus sawtelli compared with Rissoa membranacea

Key Differences

• Atiu Swiftlet is Vulnerable while thick-lipped risso snail is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	thick-lipped risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Apodiformes (Apodiformes)	Littorinimorpha (Littorinimorpha)
Family	Apodidae	Rissoidae
Genus	Aerodramus	Rissoa
Species	Aerodramus sawtelli	Rissoa membranacea

Evolutionary Relationship

Atiu Swiftlet and thick-lipped risso snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	thick-lipped risso snail
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.

thick-lipped risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway