petit rorqual vs baleine fin

Balaenoptera acutorostrata compared with Balaenoptera physalus

Key Differences

• petit rorqual is Least Concern while baleine fin is Endangered.

Taxonomic Classification

Rank	petit rorqual	baleine fin
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 same	Balaenopteridae (Rorquals)	Balaenopteridae (Rorquals)
Genus same	Balaenoptera (Rorquals)	Balaenoptera (Rorquals)
Species	Balaenoptera acutorostrata	Balaenoptera physalus

Evolutionary Relationship

petit rorqual and baleine fin share a common ancestor at the Genus level: Balaenoptera. (Rorquals)

Conservation Status

petit rorqual

LC — Least Concern

baleine fin

EN — Endangered

Physical Characteristics

Attribute	petit rorqual	baleine fin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

petit rorqual

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador).

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.

petit rorqual

Bagwhale (Balaenoptera acutorostrata) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan