From monkeys mourning a "dead baby", to lion cubs playing and boisterous bears, our Spy Cameras have been able to capture some truly magical moments on their undercover adventures. Join us as we share some of our favourite interactions from the natural world - all caught on Spy Cam! Subscribe: bit.ly/BBCEarthSub Watch more: Planet Earth bit.ly/PlanetEarthPlaylist Blue Planet bit.ly/BluePlanetPlaylist Planet Earth II bit.ly/PlanetEarthIIPlaylist Planet Dinosaur bit.ly/PlanetDinoPlaylist 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. Want to share your views with the team? 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