How Dinosaurs Got So Big

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?

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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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Camptosaurus - Episode 7

Camptosaurus - Episode 7

Dinosaur news, including dinosaur hallucinations and the latest Jurassic Park hybrid dinosaur, the stego-ceratops. Also, dinosaur of the day Camptosaurus, an front heavy ornischian with hooves and a lot of gas.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

13 Feb 201516min

Spinosaurus - Episode 6

Spinosaurus - Episode 6

Interview with Keiron Pim, author of The Bumper Book of Dinosaurs (U.K.), also known as Dinosaurs: The Grand Tour (U.S.). Includes in-depth discussion of Spinosaurus, the first aquatic dinosaur, and news about Qijianglong, the new dragon dinosaur discovered in China.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

11 Feb 201548min

Ankylosaurus - Episode 5

Ankylosaurus - Episode 5

Dinosaur news, including the Jurassic Park Lego game, synthetic amino acids in dinosaurs, and the Jurassic World #buildabetterfaketheropod.Also dinosaur of the day Ankylosaurus, the "Cow of the Cretaceous" / "living tank" with heavy armor and a club tail.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.You can also visit https://www.patreon.com/iknowdino to get the inside scoop on I Know Dino.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

9 Feb 201518min

Tarbosaurus - Episode 4

Tarbosaurus - Episode 4

Interview with Dr. Phil Currie, the Canadian paleontologist who came up with the theory that carnivorous dinosaurs, like tyrannosaurs, lived in gangs. He is also the professor of the Coursera class, Dino 101, via the University of Alberta.Also dinosaur of the day, Tarbosaurus, a carnivorous theropod and cousin to T-rex.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.You can also visit https://www.patreon.com/iknowdino to get the inside scoop on I Know Dino.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

3 Feb 201548min

Diplodocus - Episode 3

Diplodocus - Episode 3

In the summer of 2017, Dippy the Dinosaur is being removed from London's Natural History Museum. We discuss what prompted the decision, how you can campaign against the decision, as well as give details on the Diplodocus, a dinosaur known for its length and whip-like tail.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.You can also visit https://www.patreon.com/iknowdino to get the inside scoop on I Know Dino.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

30 Jan 201521min

Oryctodromeus - Episode 2

Oryctodromeus - Episode 2

Interview with Dr. Anthony J. Martin, author of Dinosaurs Without Bones, which details the day to day lives of dinosaurs by studying ichnology (the study of traces such as footprints or burrows rather than fossilized bones).Also, dinosaur of the day Oryctodromeus, a dinosaur that burrowed.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.You can also visit https://www.patreon.com/iknowdino to get the inside scoop on I Know Dino.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

26 Jan 201535min

Tyrannosaurus Rex - Episode 1

Tyrannosaurus Rex - Episode 1

Interview with Pete Larson from the Black Hills Institute and a discussion of the new movie "Dinosaur 13" which details the discovery and legal battle over the T. rex Sue.Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.You can also visit https://www.patreon.com/iknowdino to get the inside scoop on I Know Dino.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

22 Jan 201559min

Intro to Dinosaurs - Episode 0

Intro to Dinosaurs - Episode 0

What I Know Dino is, what Jurassic Park got wrong (and right), plus some basics you should know about dinosaurs.For our favorite dinosaur online courses, books, websites, posters, and more check out our resources page: https://iknowdino.com/resources/And to get access to lots of dinosaur related patron only content go to https://www.patreon.com/iknowdinoSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

14 Jan 20156min

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