blue whale vs Large Venus's-looking-glass

Balaenoptera musculus compared with Legousia speculum-veneris

Key Differences

• blue whale is Vulnerable while Large Venus's-looking-glass is Endangered.

Taxonomic Classification

Rank	blue whale	Large Venus's-looking-glass
Kingdom	Animalia (животные)	Plantae (растения)
Phylum	Chordata (хордовые)	Magnoliophyta (магнолиофиты)
Class	Mammalia (млекопитающие)	Magnoliopsida (Dicots)
Order	Cetacea (Whales & Dolphins)	Asterales (астроцветные)
Family	Balaenopteridae (Rorquals)	Campanulaceae
Genus	Balaenoptera (Rorquals)	Legousia
Species	Balaenoptera musculus	Legousia speculum-veneris

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Large Venus's-looking-glass

EN — Endangered

Physical Characteristics

Attribute	blue whale	Large Venus's-looking-glass
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic 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.

Large Venus's-looking-glass

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (12 countries) and North America (United States). 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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden