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BBC Earth · 发布于 2012年3月24日
Scientists are still learning new polar bear habits and are constantly surprised by their coping skills in a hostile habitat. Malcolm Ramsey, a scientist who has been researching these bears for the past 20 years, is still amazed by their internal GPS systems and their ability to return home in an ever changing landscape. Great clip from BBC's natural history documentary, Wild: Polar Bear Diary. 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 Check out the Polar Bear Diary playlist: http://bit.ly/ybSZbQ This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/
