Arrow-head tree snail vs Black-headed Apalis

Partula sagitta compared with Apalis melanocephala

Key Differences

• Arrow-head tree snail is Extinct while Black-headed Apalis is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Black-headed Apalis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Passeriformes (Songbirds)
Family	Partulidae	Cisticolidae
Genus	Partula	Apalis
Species	Partula sagitta	Apalis melanocephala

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Black-headed Apalis

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Black-headed Apalis
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-headed Apalis

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.

Black-headed Apalis

The Black-headed Apalis (Apalis melanocephala) is a species in the genus Apalis. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.