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Which Is the Largest Animal Ever to Have Lived?
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Quick Answer
The blue whale, reaching up to 30 metres and 180 tonnes, is the largest animal ever.
The Full Story
The blue whale (Balaenoptera musculus) is the largest animal known to have ever lived on Earth — larger than any dinosaur. Adults can reach up to 30 metres in length and weigh up to about 180 tonnes. Their hearts alone weigh about 180 kg, and a child could crawl through their aorta. Despite their enormous size, blue whales feed almost exclusively on krill, consuming up to 4 tonnes per day during feeding season. Commercial whaling reduced their numbers to near extinction, but populations are slowly recovering.
Key Facts
1.A blue whale's tongue can weigh as much as an elephant.
2.Blue whale calves are about 7 metres long at birth and gain roughly 90 kg per day.
3.Pre-whaling populations were estimated at 200,000–300,000; today about 10,000–25,000 remain.
YouTube Angle
Suggested video title for this topic:
"Bigger Than Any Dinosaur — The Blue Whale"