Arrow-head tree snail vs Bare-legged Swiftlet

Partula sagitta compared with Aerodramus nuditarsus

Key Differences

• Arrow-head tree snail is Extinct while Bare-legged Swiftlet is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Bare-legged Swiftlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Apodiformes (Apodiformes)
Family	Partulidae	Apodidae
Genus	Partula	Aerodramus
Species	Partula sagitta	Aerodramus nuditarsus

Evolutionary Relationship

Arrow-head tree snail and Bare-legged Swiftlet share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Bare-legged Swiftlet

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Bare-legged Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrow-head tree snail

Habitat

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

Bare-legged Swiftlet

Habitat

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

Range

Found in Norway.

Arrow-head tree snail

The Arrow-head tree snail, Partula sagitta, is a species. It is currently assessed as extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Bare-legged Swiftlet

The Bare-legged Swiftlet (Aerodramus nuditarsus) is a species in the genus Aerodramus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.