Did This Thighbone Belong to the World's Largest Dinosaur?
Clip: Season 34 Episode 11 | 54sVideo has Closed Captions
David Attenborough examines an enormous dinosaur thighbone.
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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Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Charles Rosenblum, Kathy Chiao and...
Did This Thighbone Belong to the World's Largest Dinosaur?
Clip: Season 34 Episode 11 | 54sVideo has Closed Captions
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.
Problems playing video? | Closed Captioning Feedback
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Video has Closed Captions
Clip: S34 Ep11 | 1m 14s | The heart of a newly-discovered dinosaur may have weighed as much as a grizzly bear. (1m 14s)
Raising the Dinosaur Giant | Preview
Preview: S34 Ep11 | 41s | A giant is being awakened after 101 million years of sleep. (41s)
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Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Charles Rosenblum, Kathy Chiao and...