Alder's necklace shell vs Atiu Swiftlet

Euspira nitida compared with Aerodramus sawtelli

Key Differences

• Alder's necklace shell is Least Concern while Atiu Swiftlet is Vulnerable.

Taxonomic Classification

Rank	Alder's necklace shell	Atiu Swiftlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Littorinimorpha (Littorinimorpha)	Apodiformes (Apodiformes)
Family	Naticidae	Apodidae
Genus	Euspira	Aerodramus
Species	Euspira nitida	Aerodramus sawtelli

Evolutionary Relationship

Alder's necklace shell and Atiu Swiftlet share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder's necklace shell

LC — Least Concern

Atiu Swiftlet

VU — Vulnerable

Physical Characteristics

Attribute	Alder's necklace shell	Atiu Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder's necklace shell

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Alder's necklace shell

The Alder's necklace shell (Euspira nitida) is a species in the genus Euspira. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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