Sir David Attenborough travels to Arizona to show us exactly how regal horned lizards stay warm, and how armadillo lizards live up to their name with a unique defence mechanism. Subscribe: bit.ly/BBCEarthSub #Lizards #WeirdAnimals #DavidAttenborough 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 This clip is taken from 'Life in Cold Blood' (2008) In telling the epic story of the reptiles and amphibians David Attenborough completes his overview of life on the planet. Extraordinary and previously unseen behaviour is captured in intimate detail, overturning the myth that cold blooded life is slow, solitary and primitive, revealing these creatures to be as dramatic, social, sophisticated...