But animal behaviorists have long believed that the crow has at least one thing in its favor.
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。
Many animal behaviorists say that what people really mean when they call a dog smart is that the dog is highly trainable.
许多动物行为主义者说，当人们说一只狗聪明时，实际上是说它很容易训练。
Seventy-four percent of dog owners believe their dogs experience guilt, but animal behaviorists say dogs lack the ability to feel shame.
的狗主人相信他们的狗狗会觉得内疚，但是动物行为学专家称狗狗没有感到愧疚这项功能。
On the other hand, many evolutionary biologists, in contrast to animal behaviorists, acknowledge some emotions primarily for their survival function.
另一方面，与动物行为研究学家相反，许多进化生物学家认为情感的主要作用还是帮助生存。
But biologists and animal behaviorists tend to define culture and tradition as any behavior that is learned by observing or interacting with others, Thornton said.
但是，生物学家和动物行为学家倾向于将文化和传统定义为任何通过观察和相互交流而学会的行为，Thornton说。
In addition, dolphins recovering from recent injuries don't seem to show behavioral signs that they are in much pain, says animal behaviorists who Zasloff interviewed.
另外，海豚对于不久前的伤所表现出来的疼痛看起来没那么明显，Zasloff采访的一个动物行为学家说。
In addition, dolphins recovering from recent injuries don't seem to show behavioral signs that they are in much pain, says animal behaviorists who Zasloff interviewed.
另外，海豚对于不久前的伤所表现出来的疼痛看起来没那么明显，Zasloff采访的一个动物行为学家说。
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