After the winter, billions of insects emerge across Yellowstone’s rivers, triggering an epic river showdown between predators and prey. Watch the breathtaking cycle of life unfold – from swarming insects to the hungry mouths of Yellowstone’s apex predators. Subscribe: http://bit.ly/BBCEarthSub #Wildlife #Nature #Documentary #Animals #Yellowstone #Ecosystem Watch more: Best of BBC Earth 🌍 https://bit.ly/BestOfBBCEarth Best Animal Fights 🥊 https://bit.ly/BestAnimalFights Videos over 10 minutes ⏰ https://bit.ly/3SHJCEJ Planet Earth III 🌍 https://bit.ly/PlanetEarthIIIPlaylist Frozen Planet II ❄️ https:/bit.ly/FrozenPlanetIIPlaylist Blue Planet II in 4k 🌊 https://bit.ly/BluePlanetII4kPlaylist This clip is from Great American Thaw (2017) Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. This is a commercial page from BBC Studios. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx