Wild cockatoos observed using tools as ‘cutlery’ to ...
Wild cockatoos use tools as ‘cutlery’ to open seeds印尼Tanimbar群島的Goffin鳳頭鸚鵡能夠從樹上以嘴巴(鳥喙)取下合適大小枝條甚至加以用喙修飾,然後用來打開種子取出核仁來吃。
Sulphur-crested cockatoos in Australia are learning ...開垃圾桶,還知道紅色才有可能有食物,黃色是資源回收不太會有食物。