How Dinosaurs Got So Big
I Know Dino: The Big Dinosaur Podcast21 Mar 2024

How Dinosaurs Got So Big

Sauropods were the longest, tallest, and heaviest animals to ever walk the Earth. What adaptations did they have to get so large? And which dinosaurs were the largest in other groups?

For links to every news story, all of the details we shared about Uberabatitan, and our fun fact check out https://iknowdino.com/Uberabatitan-Episode-486/

Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.

Dinosaur of the day Uberabatitan, A giant titanosaur that may have had the largest teeth of any known sauropod.

In dinosaur news this week:

  • Sauropods grew to be the largest land animals of all time with many special adaptations that helped them reach "super giant" sizes
  • Bruhathkayosaurus may have been the heaviest land animal of all time with weight estimates from 80–190 tonnes
  • Sauroposeidon may be the tallest sauropod (and land animal) of all time—with Giraffatitan proportions bringing it to about 17m (56ft) tall
  • Sauropod babies were already built to grow large
  • It's not just sauropods that had special adaptations to grow so large—Theropods had them too
  • Early sauropod ancestors evolved very rapid growth before they evolved gigantic sizes
  • A new study found 36 unique times that sauropods evolved gigantism
  • A hadrosaur long thought to be an island dwarf turned out to just be young and was still growing


You can dig up real dinosaur bones this summer with Colorado Northwestern Community College! Join them for a two week immersive field paleontology experience digging up dinosaur bones from the Jurassic period in Northwest Colorado. There are two scheduled digs: July 6–July 20 and July 22–August 5. There are also two concurrent immersive lab techniques programs available. Get all the details and register online at cncc.edu/dinodig

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