baleine fin vs Lagénorhynque Sombre

Balaenoptera physalus compared with Lagenorhynchus obscurus

Key Differences

• baleine fin is Endangered while Lagénorhynque Sombre is Least Concern.

Taxonomic Classification

Rank	baleine fin	Lagénorhynque Sombre
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Balaenopteridae (Rorquals)	Delphinidae (Oceanic Dolphins)
Genus	Balaenoptera (Rorquals)	Lagenorhynchus
Species	Balaenoptera physalus	Lagenorhynchus obscurus

Evolutionary Relationship

baleine fin and Lagénorhynque Sombre share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

baleine fin

EN — Endangered

Lagénorhynque Sombre

LC — Least Concern

Physical Characteristics

Attribute	baleine fin	Lagénorhynque Sombre
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Lagénorhynque Sombre

Habitat

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.