The sight of a dorsal fin poking through shallow water spells danger for a herd of Seal pups on the shore. A Killer Whale has arrived, looking for a bite to eat. Subscribe: http://bit.ly/BBCEarthSub WATCH MORE: New on Earth: https://bit.ly/2M3La96 Oceanscapes: https://bit.ly/2Hmd2kZ Wild Thailand: https://bit.ly/2kR7lmh 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: http://tinyurl.com/YouTube-BBCEarth-FanPanel This is a channel from BBC Worldwide who help fund new BBC programmes Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx