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Autumn is the busiest time of the year for beavers – dams must be built in order to ensure they can survive the harsh winter months. Subscribe: http://bit.ly/BBCEarthSub #Yellowstone #Beavers #America Watch more: Best of BBC Earth 🌍 https://bit.ly/BestOfBBCEarth Best Animal Fights 🥊 https://bit.ly/BestAnimalFights Videos over 10 minutes ...
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