Arrow-head tree snail vs Yellow-billed Cacique

Partula sagitta compared with Amblycercus holosericeus

Key Differences

• Arrow-head tree snail is Extinct while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Yellow-billed Cacique
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Passeriformes (Songbirds)
Family	Partulidae	Icteridae
Genus	Partula	Amblycercus
Species	Partula sagitta	Amblycercus holosericeus

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Yellow-billed Cacique
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.

Yellow-billed Cacique

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, 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.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.