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词汇 Dear enemy phenomenon
分类 英语词汇 英语翻译词典
释义

Dear enemy phenomenon

英语百科

Dear enemy effect

(重定向自Dear enemy phenomenon)
Eurasian badgers respond less aggressively to the scent of familiar conspecifics than unfamiliar
The little owl hoots less intensively at familiar neighbours than unfamiliar
A brown anole displaying with its dewlap
Male sand fiddler crabs attract mates by waving

The dear enemy effect or dear enemy recognition is an ethological phenomenon in which two neighbouring territorial animals become less aggressive toward one another once territorial borders are well-established. As territory owners become accustomed to their neighbours, they expend less time and energy on defensive behaviors directed toward one another. However, aggression toward unfamiliar neighbours remains the same. Some authors have suggested the dear enemy effect is territory residents displaying lower levels of aggression toward familiar neighbours compared to unfamiliar individuals who are non-territorial "floaters".

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