Arrow-head tree snail vs Black Noddy

Partula sagitta compared with Anous minutus

Key Differences

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

Taxonomic Classification

Rank	Arrow-head tree snail	Black Noddy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Charadriiformes (Charadriiformes)
Family	Partulidae	Laridae
Genus	Partula	Anous
Species	Partula sagitta	Anous minutus

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Black Noddy

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Black Noddy
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 Noddy

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

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 Noddy

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