Big Finner vs Lesser Cachalot

Balaenoptera physalus compared with Kogia breviceps

Key Differences

• Big Finner is Endangered while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Big Finner	Lesser Cachalot
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	Balaenopteridae (Rorquals)	Kogiidae
Genus	Balaenoptera (Rorquals)	Kogia
Species	Balaenoptera physalus	Kogia breviceps

Evolutionary Relationship

Big Finner and Lesser Cachalot share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Big Finner

EN — Endangered

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Big Finner	Lesser Cachalot
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.

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and 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 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan