Weißseitendelfin vs Blauwal

Lagenorhynchus acutus compared with Balaenoptera musculus

Key Differences

• Weißseitendelfin is Not Evaluated while Blauwal is Vulnerable.

Taxonomic Classification

Rank	Weißseitendelfin	Blauwal
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	Delphinidae (Oceanic Dolphins)	Balaenopteridae (Rorquals)
Genus	Lagenorhynchus	Balaenoptera (Rorquals)
Species	Lagenorhynchus acutus	Balaenoptera musculus

Evolutionary Relationship

Weißseitendelfin and Blauwal share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Weißseitendelfin

NE — Not Evaluated

Blauwal

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Weißseitendelfin	Blauwal
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

Weißseitendelfin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, and Sweden.

Blauwal

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Weißseitendelfin

The Adantic White-Sided Dolphin (Lagenorhynchus acutus) is a species in the genus Lagenorhynchus. This species inhabits Typically found in diverse terrestrial and aquatic ecosystems, found across Denmark, Norway, and Sweden.

Blauwal

The largest animal ever known to have lived on Earth, blue whales can reach 33 meters and 200 tonnes — their hearts alone weigh as much as a small car. Found in all oceans, they migrate between polar feeding grounds and tropical breeding areas. Filter feeders consuming up to 4 tonnes of krill daily. Endangered, with global populations estimated at 10,000–25,000 after near-extinction from 20th-century whaling.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden