Arrow-head tree snail vs Black-crowned Barwing

Partula sagitta compared with Actinodura sodangorum

Key Differences

• Arrow-head tree snail is Extinct while Black-crowned Barwing is Near Threatened.

Taxonomic Classification

Rank	Arrow-head tree snail	Black-crowned Barwing
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Passeriformes (Songbirds)
Family	Partulidae	Leiothrichidae
Genus	Partula	Actinodura
Species	Partula sagitta	Actinodura sodangorum

Evolutionary Relationship

Arrow-head tree snail and Black-crowned Barwing share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Black-crowned Barwing

NT — Near Threatened

Physical Characteristics

Attribute	Arrow-head tree snail	Black-crowned Barwing
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.

Black-crowned Barwing

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Black-crowned Barwing

The Black-crowned Barwing (Actinodura sodangorum) is a species in the genus Actinodura. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.