Ants not only use the sun to track their way back home, but also their food. Narrated by David Attenborough. Subscribe to BBC Earth for more amazing animal videos - bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth bit.ly/PlanetEarthPlaylist Blue Planet bit.ly/BluePlanetPlaylist Planet Earth II bit.ly/PlanetEarthIIPlaylist Planet Dinosaur bit.ly/PlanetDinoPlaylist Check out the other two channels in our BBC Earth network: BBC Earth Unplugged: bit.ly/BBCEarthUnplugged BBC Earth Lab: bit.ly/BBCEarthLabYouTubeChannel The Trials Of Life Sir David Attenborough continues his study of animal behaviour in the third instalment of his award-winning Life series. Beginning with the ways in which animals arrive in the world and ending with the extraordinary techniques they employ to reproduce, the Trials of Life is one of the most comprehensive wildlife documentaries ever made. Taking some three and a half years to make, Attenborough travelled almost a quarter of a million miles to complete this fascinating and insightful documentary. 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 astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. Want to share your views with the team behind BBC Earth and win prizes? Join our fan panel: tinyurl.com/YouTube-BBCEarth-FanPanel This is a page from BBC Studios who help fund new BBC programmes. Service information and feedback: bbcworldwide.com/vod-feedback--contact-details.aspx