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?

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/

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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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Brachiosaurus - Episode 39

Brachiosaurus - Episode 39

Dinosaur news, including new dinosaur discovery of Pulanesaura, the "rain lizard," Marvel's new Moon-Girl and Devil Dinosaur, dinosaurs fluking into existence, and more. Also, dinosaur of the day Brachiosaurus, a giraffe-shaped sauropod.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.

24 Aug 201518min

Stegosaurus - Episode 38

Stegosaurus - Episode 38

Dinosaur news, including six new dinosaurs identified from teeth found in Spain, 213 found dinosaur eggs, singing dinosaurs, and more. Also, dinosaur of the day Stegosaurus, a famous dinosaur known for the plates on its back and tail spikes, or thagomizers.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.

17 Aug 201527min

Maiasaura - Episode 37

Maiasaura - Episode 37

Interview with Jack Horner, the paleontologist from Montana known for being the inspiration to Dr. Alan Grant from Jurassic Park, as well as his work on the Jurassic Park and Jurassic World movies, his discovery of Maiasaura and the nesting site, the development of the chickenosaurus, his research on dinosaur growth and behavior, as well as many books, papers, articles, and Ted Talks.Also, dinosaur of the day Maiasaura, the "Good Mother Lizard" and first dinosaur known to take care of its babies, and dinosaur news, including new techniques in fossil mounting, kissing dinosaurs in Erenhot, Jurassic World 2 updates, and more.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 Aug 201554min

Troodon - Episode 36

Troodon - Episode 36

Dinosaur news, including new study on eight theropod teeth that show special serrations for cutting flesh, Dippy the Diplodocus going on tour in the United Kingdom, 10 dinosaur museums and spots in the United States to visit, and more. Also, dinosaur of the day Troodon formosus, a small theropod, and one of the smartest dinosaurs, originally named based on one tooth.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.

3 Aug 201525min

Acrocanthosaurus - Episode 35

Acrocanthosaurus - Episode 35

Dinosaur news, including new dinosaur discovery Zhenyuanlong suni, a feathery dromaeosaurid, Utah's Grand Staircase-Escalante National Monument, robot dinosaurs working in hotels, and more. Also, dinosaur of the day Acrocanthosaurus atokensis, a large Carcharodontosauridae found all over North America.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.

27 Juli 201523min

Utahraptor - Episode 34

Utahraptor - Episode 34

Interview with Dr. Jim Kirkland, the paleontologist who named Utahraptor ostrommaysorum, a dromaeosaur (or raptor) with nine-inch claws. Also, dinosaur of the day Utahraptor, the largest raptor known (same size as the Velociraptors in Jurassic Park) and dinosaur news, including new dinosaur discovery Wendiceratops, evidence of a large carnivorous theropod in Japan, a possible nesting ground in Japan, and more.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.

21 Juli 20151h 13min

Parasaurolophus - Episode 33

Parasaurolophus - Episode 33

Dinosaur news, including updates on the Cleveland-Lloyd Quarry dinosaur murder mystery, Cooper the Titanosaur and his new home in Australia, new feathered dinosaur species from China Huanansaurus ganzhouensis, and more. Also, dinosaur of the day Parasaurolophus, a hadrosaurid with a crest, also known as Ducky from Land Before Time.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 Juli 201526min

Fukuiraptor - Episode 32

Fukuiraptor - Episode 32

Dinosaur news, including a new dinosaur species Sefapanosaurus, recently rediscovered in a storeroom, a Velociraptor claw for sale, dinosaurs and feathers, dinosaur games including Apex and Wreck 'n Roar, and a review of the Jurassic World Lego game. Also, dinosaur of the day Fukuiraptor, a carnosaur that was first thought to be a raptor.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.

6 Juli 201527min

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