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Why do beavers build dams? Mysterious behaviour explained as Exmoor colony builds first UK dam in 400 years
If you take newborn otters and let them live in a solitary environment with a river, will they construct a wooden dam when they grow up without ever seeing adult otters build
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Sea Otters Demonstrate that There Is More to Muscle than Just Movement--It Can Also Bring the Heat | The Scientist Magazine®
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