Arrow-head tree snail vs Colombian Weasel

Partula sagitta compared with Mustela felipei

Key Differences

• Arrow-head tree snail is Extinct while Colombian Weasel is Vulnerable.

Taxonomic Classification

Rank	Arrow-head tree snail	Colombian Weasel
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Mollusca (mollusques)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (mammifères)
Order	Stylommatophora (Stylommatophora)	Carnivora (carnivores)
Family	Partulidae	Mustelidae (Weasels & Otters)
Genus	Partula	Mustela
Species	Partula sagitta	Mustela felipei

Evolutionary Relationship

Arrow-head tree snail and Colombian Weasel share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Arrow-head tree snail

EX — Extinct

Colombian Weasel

VU — Vulnerable

Physical Characteristics

Attribute	Arrow-head tree snail	Colombian Weasel
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.

Colombian Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia. Currently classified as Vulnerable 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.

Colombian Weasel

<em>Mustela felipei</em>, the Colombian weasel, is one of the rarest and least-known mustelids in the world, endemic to the Andes of Colombia. This species is assessed as Vulnerable by the IUCN, reflecting genuine conservation concern arising from its extremely restricted range and the continued degradation of Andean cloud forest and montane stream habitats upon which it depends. <em>Mustela felipei</em> is associated with rocky stream margins and humid upland forests, where it is believed to hunt fish, invertebrates, and small vertebrates in a manner consistent with other semi-aquatic weasels. The species was described scientifically only in 1978, and very few individuals have been observed in the wild, meaning that fundamental aspects of its ecology, behaviour, and reproductive biology remain unknown. Its small body size and cryptic habits make field observation exceptionally challenging. The primary threats to this species include deforestation, water pollution, and stream alteration within its narrow elevational range in the Colombian Andes. Biological traits of this species remain poorly documented in the scientific literature.