Large Oecomys vs least weasel

Oecomys superans compared with Mustela nivalis

Key Differences

• Large Oecomys is Least Concern while least weasel is Near Threatened.

Taxonomic Classification

Rank	Large Oecomys	least weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Cricetidae	Mustelidae (Weasels & Otters)
Genus	Oecomys	Mustela
Species	Oecomys superans	Mustela nivalis

Evolutionary Relationship

Large Oecomys and least weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Large Oecomys

LC — Least Concern

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	Large Oecomys	least weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large Oecomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.