Filmed on a remote island in the Arctic, shrouded in fog - we are treated to stunning footage of a Polar Bear in pursuit of a Walrus. Faced with an imposing wall of blubber and hide, it appears that the world's largest land carnivore may have met his match. Subscribe BBC Earth: http://bit.ly/BBCEarthSub Taken from Planet Earth BBC series. Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos Want to share your views with the team behind BBC Earth and win prizes? Join our fan panel here: https://tinyurl.com/YouTube-BBCEarth-FanPanel BBC Earth Facebook http://www.facebook.com/bbcearth BBC Earth Twitter http://www.twitter.com/bbcearth BBC Earth Instagram https://www.instagram.com/bbcearth/?hl=en The world is an amazing place full of stories, beauty and natural wonder. Jump in to BBC Earth's YouTube channel and meet your planet. You'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content on here. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. Subscribe to be the first to view new videos. And you can become part of the BBC community by checking out our BBC Earth Facebook page. Here you'll find the best natural history content from the web, exclusive videos and images and a thriving, vibrant community. This is a channel from BBC Worldwide who help fund new BBC programmes Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-detailx