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Thursday, April 22, 2010

烏鴉過三關

繩結縳着短樹枝;
短箱門邊長樹枝;
長盒末端有美食;

饞嘴烏鴉, 輕輕鬆鬆過三關, 好厲害!
並不只是短片中的一隻,
科學家測試任何一隻都做到!



Meet the Genius Bird: Crafty Crows Use Tools to Solve a Three-Step Problem

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