baleine fin vs Black-eared Red-backed Vole

Balaenoptera physalus compared with Eothenomys olitor

Key Differences

• baleine fin is Endangered while Black-eared Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	baleine fin	Black-eared Red-backed Vole
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Balaenopteridae (Rorquals)	Cricetidae
Genus	Balaenoptera (Rorquals)	Eothenomys
Species	Balaenoptera physalus	Eothenomys olitor

Evolutionary Relationship

baleine fin and Black-eared Red-backed Vole share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

baleine fin

EN — Endangered

Black-eared Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	baleine fin	Black-eared Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

baleine fin

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

baleine fin

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

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.