They're covered in spikes, blow snot bubbles to cool down and go to sleep to survive bush fires. Echidnas, also known as spiny anteaters, have evolved to some of the most unique adaptations of any animal on Earth. Born to survive. Built to thrive. #Mammals Subscribe: bit.ly/BBCEarthSub #Australia #BushFire #Anteater 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 'Mammals' (2024). On every continent, in every ocean, conquering frozen landscapes and searing deserts – mammals are everywhere. Sir David Attenborough reveals the ingenuity behind their success. The series also highlights many of the challenges facing mammals in a rapidly changing world and how they endeavour to...