blue whale
Balaenoptera musculus
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About
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.
Fun Facts
- ✨ A blue whale's heart beats only 2 times per minute when diving.
- ✨ Their calls can be heard over 1,600 km away.
- ✨ A blue whale calf gains about 90 kg per day.
Habitat & Distribution
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.
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.
Diet & Behavior
Diet
Conservation Status
Full Taxonomy
Names in Other Languages
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Genus Balaenoptera — 7 Species
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