With the exception of certain rodents, no other vertebrate except Homo sapiens habitually destroys members of his own species.

With the exception of certain rodents, no other vertebrate except Homo sapiens habitually destroys members of his own species.

除了某些啮齿动物，除了智人，没有其他脊椎动物会习惯性地破坏自己物种的成员。

-- Anthony Storr 安东尼·斯托尔