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NATURE

S34 Ep7: Did This Thighbone Belong to the World's Largest Di

  • Aired: 02/17/2016
  • 00:54
  • Rating: NR
Sauropods were long-necked, plant-eating dinosaurs that started off relatively small. However, after 20 million years of evolution, they grew to enormous proportions. Naturalist David Attenborough compares the thighbones of early sauropods to the largest ever found.
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S34 Ep7: Did This Thighbone Belong to the World's Largest Di
S34 Ep7: Did This Thighbone Belong to the World's Largest Di
David Attenborough examines an enormous dinosaur thighbone.
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