Altai Birch Mouse vs baleine fin

Sicista napaea compared with Balaenoptera physalus

Key Differences

• Altai Birch Mouse is Least Concern while baleine fin is Endangered.

Taxonomic Classification

Rank	Altai Birch Mouse	baleine fin
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Dipodidae	Balaenopteridae (Rorquals)
Genus	Sicista	Balaenoptera (Rorquals)
Species	Sicista napaea	Balaenoptera physalus

Evolutionary Relationship

Altai Birch Mouse and baleine fin share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Altai Birch Mouse

LC — Least Concern

baleine fin

EN — Endangered

Physical Characteristics

Attribute	Altai Birch Mouse	baleine fin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Altai Birch Mouse

The Altai Birch Mouse (Sicista napaea) is a species in the genus Sicista. It is currently classified as Least Concern on the IUCN Red List. 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.