Busy Beavers Build Dam Ahead of Winter | Yellowstone | BBC Earth

a beaver can fell a cottonwood tree in just a few hours hundreds in a year the beaver doesn't chew through the whole trunk just enough to make the tree unstable it then Retreats and lets the wind do the rest it cuts branches into more manageable lengths and then swims them down a network of purpose-built canals towards the dam the pond gives this Beaver protection from predators and the canals allow it to forage far into the forest carrying many times its own weight with ease Autumn is the busiest time of year for beavers it won't be so easy to make repairs when the pond is frozen over the sound of running water is their stimulus to shore up gaps with Timber and plug leaks with mud but the dam not only serves the Beavers moose come here from the forests around to feed on Weeds that thrive in the beaver's shallow Pond the weed is rich in vital sodium that the forest can't easily provide but now that winter is approaching another essential role for the dam is revealed these smaller branches are not for f fixing the dam they're for eating the beaver secures them to the mud in the lake [Applause] bottom in just a few weeks this Lake will be Frozen and the Beavers won't be able to cut and move trees but they will be able to swim right under the ice to feed from this underwater ladder moose also eat twigs and branches and often try to take advantage of the beaver's hard labor this young male is getting a little too close to the beaver's ladder Autumn is not a time for sharing for

Channel: BBC Earth

Views: 1,104,093

Keywords: bbc documentary, bbc, bbcearth, bbc earth, yellowstone, yellowstone national park, america, california, wildlife, wildlife documentary, wildlife documentaries, documentary, otter, otters, otter pup, otter pups, hunting, hunting lesson, fish, fishing, hunting lessons, national park, national parks, wolf, wolves, grey wolf, grey wolves, grizzly bear, grizzly bears, antelope, antelopes, buffalo, buffaloes, american buffalo, baby animals, cute animals, puppy, puppies, animal mothers, animals, beavers

Id: eAPqQFWEoKg

Length: 4min 41sec (281 seconds)

Published: Sun May 26 2024