Dinosaurs wagged their tails to help them run faster - BBC Newsround
Por um escritor misterioso
Descrição
Scientists have discovered that two-legged dinosaurs, like the T-Rex, wagged their tails when they ran to stay balanced.
![Dinosaurs wagged their tails to help them run faster - BBC Newsround](https://c.files.bbci.co.uk/7977/production/_113159013_gettyimages-481377353.jpg)
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Dinosaurs wagged their tails to help them run faster - BBC Newsround
![Dinosaurs wagged their tails to help them run faster - BBC Newsround](https://ichef.bbci.co.uk/news/660/cpsprodpb/10208/production/_116665066_d6573698-cda3-461f-b7bf-8dd0ecbd6992.jpg)
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Dinosaurs wagged their tails to help them run faster - BBC Newsround
![Dinosaurs wagged their tails to help them run faster - BBC Newsround](https://i.ytimg.com/vi/D7fJ8HLSMWQ/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAqyX_XIWtTPM-yKpj1hFk1ayn9SA)
Dinosaurs wagged their tails for a more efficient stride
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Dinosaurs with long tails would have wagged them as they ran
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