Finnwal vs Irawadi-Delphin

Balaenoptera physalus compared with Orcaella brevirostris

Taxonomic Classification

Rank	Finnwal	Irawadi-Delphin
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Balaenopteridae (Rorquals)	Delphinidae (Oceanic Dolphins)
Genus	Balaenoptera (Rorquals)	Orcaella
Species	Balaenoptera physalus	Orcaella brevirostris

Evolutionary Relationship

Finnwal and Irawadi-Delphin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Finnwal

EN — Endangered

Irawadi-Delphin

EN — Endangered

Physical Characteristics

Attribute	Finnwal	Irawadi-Delphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Finnwal

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.

Irawadi-Delphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Finnwal

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.