Admiralty Island Meadow Vole (Admiraltiae) vs Colombian Weasel

Microtus pennsylvanicus compared with Mustela felipei

Key Differences

• Admiralty Island Meadow Vole (Admiraltiae) is Least Concern while Colombian Weasel is Vulnerable.

Taxonomic Classification

Rank	Admiralty Island Meadow Vole (Admiraltiae)	Colombian Weasel
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Rodentia (ネズミ目)	Carnivora (ネコ目)
Family	Cricetidae	Mustelidae (Weasels & Otters)
Genus	Microtus	Mustela
Species	Microtus pennsylvanicus	Mustela felipei

Evolutionary Relationship

Admiralty Island Meadow Vole (Admiraltiae) and Colombian Weasel share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Admiralty Island Meadow Vole (Admiraltiae)

LC — Least Concern

Colombian Weasel

VU — Vulnerable

Physical Characteristics

Attribute	Admiralty Island Meadow Vole (Admiraltiae)	Colombian Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Admiralty Island Meadow Vole (Admiraltiae)

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.

Admiralty Island Meadow Vole (Admiraltiae)

The Admiralty Island Meadow Vole (Admiraltiae) (Microtus pennsylvanicus) is a species in the genus Microtus. It is currently classified as Least Concern on the IUCN Red List. This species inhabits Typically found in diverse terrestrial and aquatic ecosystems, found across United States.

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.