Big Finner vs Gray Red-backed Vole

Balaenoptera physalus compared with Myodes rufocanus

Key Differences

• Big Finner is Endangered while Gray Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Big Finner	Gray Red-backed Vole
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order	Cetacea (Whales & Dolphins)	Rodentia (грызуны)
Family	Balaenopteridae (Rorquals)	Cricetidae
Genus	Balaenoptera (Rorquals)	Myodes
Species	Balaenoptera physalus	Myodes rufocanus

Evolutionary Relationship

Big Finner and Gray Red-backed Vole share a common ancestor at the Class level: Mammalia. (млекопитающие)

Conservation Status

Big Finner

EN — Endangered

Gray Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Gray Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Finner

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.

Gray Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Norway.

Big Finner

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway