Taught by their mothers, sea otter pups learn how to break open hard shells. Extremely intelligent marine mammals, they also have the densest fur of any animal. Subscribe: http://goo.gl/VK1MH Slow Motion: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expeditions: http://bit.ly/EarthUnpluggedExpeditionsAndLocationFilms Questions with Maddie: http://bit.ly/BigQuestionsWithMaddieMoate Wilderness Sessions: http://bit.ly/WildernessSessionsFilms Sea Otters (Ep 7) - Taken from Amazing Animal Babies: the show that highlights the tough odds that infant creatures have to survive when they are born in the wild. Welcome to Earth Unplugged! We make films about the incredible natural world, we investigate the conundrums, quirks and beautiful science of our amazing planet, delving into the BBC vaults and mixing it up with our own stuff to take a brand new look at Earth. Want to share your views with the team behind BBC Earth and win prizes? Join our fan panel: http://tinyurl.com/YouTube-BBC