Blackthorn Argent vs blue whale

Argyresthia spinosella compared with Balaenoptera musculus

Key Differences

• Blackthorn Argent is Endangered while blue whale is Vulnerable.

Taxonomic Classification

Rank	Blackthorn Argent	blue whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Cetacea (Whales & Dolphins)
Family	Argyresthiidae	Balaenopteridae (Rorquals)
Genus	Argyresthia	Balaenoptera (Rorquals)
Species	Argyresthia spinosella	Balaenoptera musculus

Evolutionary Relationship

Blackthorn Argent and blue whale share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackthorn Argent

EN — Endangered

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Blackthorn Argent	blue whale
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

Blackthorn Argent

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

blue whale

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.

Blackthorn Argent

The Blackthorn Argent (Argyresthia spinosella) is a species in the genus Argyresthia. It is currently classified as Endangered on the IUCN Red List. Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

blue whale

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