چگونه جغد به ساکت ترین شیوه پرواز میکنه

Using sensitive sound equipment the team try to find out how an owl can fly so silently compared to other birds. Taken from Super Powered Owls. Subscribe to BBC Earth: http://bit.ly/BBCEarthSubBBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos This is a channel from BBC Worldwide who

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