Finnwal vs Muya Valley Vole

Balaenoptera physalus compared with Microtus mujanensis

Key Differences

• Finnwal is Endangered while Muya Valley Vole is Data Deficient.

Taxonomic Classification

Rank	Finnwal	Muya Valley Vole
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Cetacea (Whales & Dolphins)	Rodentia (Nagetiere)
Family	Balaenopteridae (Rorquals)	Cricetidae
Genus	Balaenoptera (Rorquals)	Microtus
Species	Balaenoptera physalus	Microtus mujanensis

Evolutionary Relationship

Finnwal and Muya Valley Vole share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Finnwal

EN — Endangered

Muya Valley Vole

DD — Data Deficient

Physical Characteristics

Attribute	Finnwal	Muya Valley Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Finnwal

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.

Muya Valley Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Finnwal

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.