Big Finner vs Omura's Whale

Balaenoptera physalus compared with Balaenoptera omurai

Key Differences

• Big Finner is Endangered while Omura's Whale is Data Deficient.

Taxonomic Classification

Rank	Big Finner	Omura's Whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Balaenopteridae (Rorquals)	Balaenopteridae (Rorquals)
Genus same	Balaenoptera (Rorquals)	Balaenoptera (Rorquals)
Species	Balaenoptera physalus	Balaenoptera omurai

Evolutionary Relationship

Big Finner and Omura's Whale share a common ancestor at the Genus level: Balaenoptera. (Rorquals)

Conservation Status

Big Finner

EN — Endangered

Omura's Whale

DD — Data Deficient

Physical Characteristics

Attribute	Big Finner	Omura's Whale
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.

Omura's Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

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:

🇹🇼 Taiwan