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面对同类的尸体，乌鸦为什么会兽性大发？
source link: https://tech.sina.com.cn/d/a/2018-08-01/doc-ihhacrce8019317.shtml
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来源：环球科学ScientificAmerican面对同类的尸体，乌鸦为什么有时会做出无法描述的行为？答案或许与乌鸦处理复杂信息能力的欠缺有关。2015年4月，凯莉·斯威夫特（Kaeli Swift）将一只死乌鸦放在樱桃树边，然后
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