Black-legged Horsefly vs blue whale

Hybomitra micans compared with Balaenoptera musculus

Key Differences

• Black-legged Horsefly is Not Evaluated while blue whale is Vulnerable.

Taxonomic Classification

Rank	Black-legged Horsefly	blue whale
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Arthropoda (สัตว์ขาปล้อง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Insecta (แมลง)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Diptera (แมลงวัน)	Cetacea (Whales & Dolphins)
Family	Tabanidae	Balaenopteridae (Rorquals)
Genus	Hybomitra	Balaenoptera (Rorquals)
Species	Hybomitra micans	Balaenoptera musculus

Evolutionary Relationship

Black-legged Horsefly and blue whale share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

Black-legged Horsefly

NE — Not Evaluated

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

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

Habitat & Geographic Range

Black-legged Horsefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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-legged Horsefly

The Black-legged Horsefly (Hybomitra micans) is a species in the genus Hybomitra. Typically found in virtually all terrestrial and freshwater habitats. Its geographic range spans Distributed across Belgium, Denmark, Norway, and Sweden.

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