尽管人类不太喜欢乌鸦,但加拿大一名科学家在一个鸟类“智慧排行榜”中,将乌鸦列为最聪明的鸟。加拿大科学家罗佛夫通过对各种鸟类进行观察、测试后,得出鸟类智力指数。在华盛顿召开的“美国科学促进会年会”上,他表示,如果按照智力排名,乌鸦可以说是鸟类中的“状元”。他以新 Although humans do not like ravens, a Canadian scientist lists crows as the brightest birds in a bird's “smart list.” Canadian scientists Rover through a variety of birds to observe, test, come to bird intelligence index. Speaking at the annual meeting of the American Association for the Advancement of Science at Washington, he said crows can be said to be the “champion” of birds, according to their intelligence rankings. He is new