Black Harrier vs blue whale

Circus maurus compared with Balaenoptera musculus

Key Differences

• Black Harrier is Endangered while blue whale is Vulnerable.

Taxonomic Classification

Rank	Black Harrier	blue whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Accipitriformes (Hawks & Eagles)	Cetacea (Whales & Dolphins)
Family	Accipitridae (Hawks & Eagles)	Balaenopteridae (Rorquals)
Genus	Circus	Balaenoptera (Rorquals)
Species	Circus maurus	Balaenoptera musculus

Evolutionary Relationship

Black Harrier and blue whale share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Harrier

EN — Endangered

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

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

Habitat & Geographic Range

Black Harrier

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. 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.

Black Harrier

The Black Harrier (Circus maurus) is a species in the genus Circus. It is currently classified as Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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 1 countries:

🇳🇴 Norway