In Chile's Atacama Desert, this Fabian's lizard must eat 400 brain flies for just a sip of water. These salty insects are his only lifeline, but competition is fierce! When a rival lizard appears, survival turns into a fight for territory... Subscribe: bit.ly/BBCEarthSub #NatureDocumentary #AtacamaDesert #FabiansLizard #Wildlife #Chile 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 Taken from 'Mountains: Life Above The Clouds' (2017) Mountain ranges cover 25 percent of our planet. 40 percent of the world's population depend upon them to survive. Yet to most of us they are a secret hidden realm. We will take you on an awe-inspiring journey to the four most iconic mountain ranges on th...