🦕 Argentinosaurus vs Blue whale 🐋
Argentinosaurus and the blue whale are about the same size. The blue whale weighs about one and a half times as much as Argentinosaurus.
| Row | 🦕 Argentinosaurus | 🐋 Blue whale |
|---|---|---|
| Top speed We don't have a checked number for Argentinosaurus yet. | no checked number yet | 20 mph32 km/h1 |
| Weight The blue whale weighs about one and a half times as much as Argentinosaurus. | 110 tons100 tonnes2 | 165 tons150 tonnes1 |
| Lives Nobody knows how long a dinosaur lived, so there is nothing to compare. | no checked number yet | 80 to 90 years80 to 90 years1 |
| Eats Argentinosaurus eats plants; the blue whale eats tiny floating sea life. | leaves from tall trees | krill, tiny shrimp-like animals, by the mouthful |
| Lives in One lived long ago, one lives today: they never met. | Patagonia, in the south of Argentina | every ocean |
Which one? Argentinosaurus or blue whale
🏁 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/argentinosaurus-vs-blue-whale
Where these numbers come from
- NOAA Fisheries, checked 30 October 2026.
- Smithsonian Institution, educator's guide to Dinosaurs: Giants of Patagonia, checked 30 October 2026.