Animals

πŸ‹ Blue whale vs Brachiosaurus πŸ¦•

The blue whale is about one and a half times as long as Brachiosaurus. The blue whale weighs about 3 times as much as Brachiosaurus.

πŸ§’ our measuring child, 4 ft1.2 mπŸ‹ Blue whale, 110 ft33.5 m longπŸ¦• Brachiosaurus, 75 ft23 m long, lived 145 to 150 million years ago
RowπŸ‹ Blue whaleπŸ¦• Brachiosaurus
Top speed We don't have a checked number for Brachiosaurus yet.20 mph32 km/h1no checked number yet
Weight The blue whale weighs about 3 times as much as Brachiosaurus.165 tons150 tonnes166 tons60 tonnes2
Lives Nobody knows how long a dinosaur lived, so there is nothing to compare.80 to 90 years80 to 90 years1no checked number yet
Eats The blue whale eats tiny floating sea life; Brachiosaurus eats plants.krill, tiny shrimp-like animals, by the mouthfulleaves from the tops of tall trees
Lives in One lived long ago, one lives today: they never met.every oceanwestern North America, including Colorado and Utah

Which one? Blue whale or Brachiosaurus

πŸ“ Length
πŸ‹ Blue whale110 ft34 m1
πŸ¦• Brachiosaurus75 ft23 m3
βš–οΈ Weight
πŸ‹ Blue whale165 tons150 tonnes1
πŸ¦• Brachiosaurus66 tons60 tonnes2

🏁 Who would win the race?

Nobody can time a dinosaur, so there is no race. Their bones tell us how big they were, not how fast.

We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed.

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The link carries only the two animals’ names: peabody.kids/animals/compare/blue-whale-vs-brachiosaurus

Where these numbers come from

  1. NOAA Fisheries, checked 30 October 2026.
  2. National Park Service, checked 30 October 2026.
  3. US Geological Survey, Dinosaurs: Facts and Fiction, checked 30 October 2026.

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