Ballena de aleta vs Black-eared Red-backed Vole

Balaenoptera physalus compared with Eothenomys olitor

Key Differences

• Ballena de aleta is Endangered while Black-eared Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Ballena de aleta	Black-eared Red-backed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Balaenopteridae (Rorquals)	Cricetidae
Genus	Balaenoptera (Rorquals)	Eothenomys
Species	Balaenoptera physalus	Eothenomys olitor

Evolutionary Relationship

Ballena de aleta and Black-eared Red-backed Vole share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Ballena de aleta

EN — Endangered

Black-eared Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Ballena de aleta	Black-eared Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ballena de aleta

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.

Ballena de aleta

La ballena de aleta (Balaenoptera physalus) está clasificada como En Peligro (EN) en la Lista Roja de la UICN. Presenta un alto riesgo de extinción en estado silvestre, con un significativo declive poblacional y amenazas continuas a su supervivencia.

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.