Are birds as smart as mammals? - Extraordinary Animals - Series 2 - Earth コメント付動画共有 SayMove!

Are birds as smart as mammals? - Extraordinary Animals - Series 2 - Earth

Birds are far more intelligent then most people give them credit for. Here, Wec the crow shows just how smart he is when faced with a puzzle that requires him to use two tools in order to get a reward. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcear ...

Uploaded:2014/06/13 18:09:09 +0900 (JST) 　　 Views:2　　Comments:0　　

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