[参考译文]既无华丽的羽毛也无美妙的歌喉使乌鸦从其他鸟类中脱颖而出,这似乎使乌鸦受到了一个小小的打击。但动物行为学家一直认为,乌鸦至少有一个优势:它是世界上最聪明的鸟之一。有几种乌鸦智力发达到会制造并储藏工具,并利用工具从够不着的地方(如树上的小洞)挖取食物。既然具有与家犬大抵相当的智商,乌鸦的形象理应看好。但新的研究结果又给乌鸦迎头一击,可以说打 No gorgeous feathers or splendid voice make the crow stand out from other birds. It seems that the crow has suffered a small blow. But animal behaviorists have always believed that crows have at least one advantage: it is one of the smartest birds in the world. There are several types of crows that send intelligence to create and store tools, and use tools to dig for food from places that are out of reach (such as a small hole in a tree). Since there is an IQ comparable to that of a domestic dog, the image of a crow should be good. But the new research gave the crows a blow and it can be said