Dusky Slender Opossum vs least weasel

Marmosops fuscatus compared with Mustela nivalis

Key Differences

• Dusky Slender Opossum is Data Deficient while least weasel is Near Threatened.

Taxonomic Classification

Rank	Dusky Slender Opossum	least weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Didelphimorphia (Didelphimorphia)	Carnivora (Carnivorans)
Family	Didelphidae	Mustelidae (Weasels & Otters)
Genus	Marmosops	Mustela
Species	Marmosops fuscatus	Mustela nivalis

Evolutionary Relationship

Dusky Slender Opossum and least weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Dusky Slender Opossum

DD — Data Deficient

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	Dusky Slender Opossum	least weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

least weasel

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 4 distinct biome types spanning the Australasia and Oceanian and Palearctic realms.

Range

Widely distributed across Africa (Sao Tome and Principe), Asia (Cyprus), Europe (11 countries), and Oceania and the Pacific (New Zealand). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

least weasel

least weasel (Mustela nivalis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.