Arrow-head tree snail vs Black-winged Starling

Partula sagitta compared with Acridotheres melanopterus

Key Differences

• Arrow-head tree snail is Extinct while Black-winged Starling is Endangered.

Taxonomic Classification

Rank	Arrow-head tree snail	Black-winged Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Passeriformes (Songbirds)
Family	Partulidae	Sturnidae
Genus	Partula	Acridotheres
Species	Partula sagitta	Acridotheres melanopterus

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Black-winged Starling

EN — Endangered

Physical Characteristics

Attribute	Arrow-head tree snail	Black-winged Starling
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-winged Starling

Habitat

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

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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-winged Starling

The Black-winged Starling (Acridotheres melanopterus) is a species in the genus Acridotheres. It is currently classified as Endangered on the IUCN Red List. Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.