Colombian Weasel vs

Mustela felipei compared with Nitzschia angularis

Key Differences

• Colombian Weasel is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Colombian Weasel
Kingdom	Animalia (动物界)	Chromista (色藻界)
Phylum	Chordata (脊索动物门)	Ochrophyta (淡色藻门)
Class	Mammalia (哺乳動物)	Bacillariophyceae (硅藻纲)
Order	Carnivora (食肉目)	Bacillariales (硅藻目)
Family	Mustelidae (Weasels & Otters)	Bacillariaceae
Genus	Mustela	Nitzschia
Species	Mustela felipei	Nitzschia angularis

Conservation Status

Colombian Weasel

VU — Vulnerable

NE — Not Evaluated

Physical Characteristics

Attribute	Colombian Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

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.

Nitzschia angularis是一种具有角状两端和沿硅壳龙骨位置明显缝合线的细长羽纹淡水硅藻。栖息于包括河流、池塘和富营养湖泊在内的富营养至中营养淡水环境中。这种光合硅藻与中等富营养淡水条件相关。