Animals

πŸ¦– Allosaurus vs Blue whale πŸ‹

The blue whale is about 4 times as long as Allosaurus.

πŸ§’ our measuring child, 4 ft1.2 mπŸ¦– Allosaurus, 28 ft8.5 m long, lived 145 to 155 million years agoπŸ‹ Blue whale, 110 ft33.5 m long
RowπŸ¦– AllosaurusπŸ‹ Blue whale
Top speed We don't have a checked number for Allosaurus yet.no checked number yet20 mph32 km/h1
Weight We don't have a checked number for Allosaurus yet.no checked number yet165 tons150 tonnes1
Lives Nobody knows how long a dinosaur lived, so there is nothing to compare.no checked number yet80 to 90 years80 to 90 years1
Eats Allosaurus eats meat; the blue whale eats tiny floating sea life.other dinosaurs, such as Stegosauruskrill, tiny shrimp-like animals, by the mouthful
Lives in One lived long ago, one lives today: they never met.western North America, especially Utah, Colorado and Wyomingevery ocean

Which one? Allosaurus or blue whale

πŸ“ Length
πŸ¦– Allosaurus28 ft8.5 m2
πŸ‹ Blue whale110 ft34 m1

🏁 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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Getting the animals ready…

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

Where these numbers come from

  1. NOAA Fisheries, checked 30 October 2026.
  2. National Park Service, Dinosaur National Monument: Allosaurus, checked 30 October 2026.

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