Otters have captivated cameraman Charlie Hamilton James for the last 25 years. Now, Charlie wants to reveal their survival secrets and exactly why he believes they're so special. Subscribe: http://bit.ly/BBCEarthSub Sign up to our newsletter for the latest news, updates and exclusives from BBC Earth https://www.bbcearth.com/newsletter #Otters #Wildlife #WildlifeDocumentary This clip is taken from 'Natural World: Supercharged Otters' (2017) 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 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