Blue whales are the largest animals ever — bigger than the biggest dinosaurs. Yet these giants eat some of the ocean's tiniest creatures, gulping up to 4 tons of shrimp-like krill every day through bristly plates in their mouths.
📋 Blue Whale at a glance
⚡ Superpower
A blue whale's call is louder than a jet engine and can travel hundreds of miles through the ocean.
🤩 Amazing Blue Whale facts
A blue whale's heart is about the size of a small car and weighs ~400 lb.
❓ Common questions about blue whales
How big is a blue whale?
Up to 100 ft & ~200 tons. A blue whale's heart is about the size of a small car and weighs ~400 lb.
Where do blue whales live?
Blue Whales live in the wild: oceans all over the world. They are wild animals and are never kept as pets.
How long do blue whales live?
Blue Whales typically live 80–90 years.
Can you keep a blue whale as a pet?
No! Blue Whales are wild animals — they belong in the wild (oceans all over the world), and keeping one would be unsafe and usually illegal. If you love animals, check out our care guides for real pets your family can have.
🎬 See blue whales in action
Watch kid-friendly videos about blue whales on YouTube.
▶ Watch Blue Whale videos on YouTube