A mother stays on guard to protect her cubs, while bull elephant seals fight off intruders that come their way. These are gripping moments in the wild in stunning 4K video. #Wildlife #WildlifeDocumentary #4KVideo Subscribe: bit.ly/BBCEarthSub Sign up to our newsletter for the latest news, updates and exclusives from BBC Earth bbcearth.com/newsletter Watch more: Best of BBC Earth 🌍 bit.ly/BestOfBBCEarth Best Animal Fights 🥊 bit.ly/BestAnimalFights Videos over 10 minutes ⏰ bit.ly/3SHJCEJ Planet Earth III 🌍 bit.ly/PlanetEarthIIIPlaylist Frozen Planet II ❄️ https:/bit.ly/FrozenPlanetIIPlaylist Blue Planet II in 4K 🌊 bit.ly/BluePlanetII4kPlaylist 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 com...