Zwergwal vs Heaviside-Delfin

Balaenoptera acutorostrata compared with Cephalorhynchus heavisidii

Key Differences

• Zwergwal is Least Concern while Heaviside-Delfin is Near Threatened.

Taxonomic Classification

Rank	Zwergwal	Heaviside-Delfin
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)	Cephalorhynchus
Species	Balaenoptera acutorostrata	Cephalorhynchus heavisidii

Evolutionary Relationship

Zwergwal and Heaviside-Delfin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Zwergwal

LC — Least Concern

Heaviside-Delfin

NT — Near Threatened

Physical Characteristics

Attribute	Zwergwal	Heaviside-Delfin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Zwergwal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Heaviside-Delfin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Zwergwal

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.