Black-eared Red-backed Vole vs Giant Otter

Eothenomys olitor compared with Pteronura brasiliensis

Key Differences

• Black-eared Red-backed Vole is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	Giant Otter
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Rodentia (Bộ Gặm nhấm)	Carnivora (bộ Ăn thịt)
Family	Cricetidae	Mustelidae (Weasels & Otters)
Genus	Eothenomys	Pteronura
Species	Eothenomys olitor	Pteronura brasiliensis

Evolutionary Relationship

Black-eared Red-backed Vole and Giant Otter share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Black-eared Red-backed Vole	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.