In the Arctic circle, ducks take advantage of permanent holes in the sea ice, fighting the fierce ocean currents to dive 10 metres down and reach the rich layer of mussels that populate the sea floor. Beautiful underwater filming from BBC natural history masterpiece, Planet Earth. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth Subscribe to BBC Earth: http://bit.ly/ydxvrP BBC Earth Channel: http://www.youtube.com/BBCEarth Latest BBC Earth videos: http://bit.ly/y1wtbi This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/
SourceL BBC earth channel on Youtube
