Sexual Cannibalism性食同类

Sexual Cannibalism

When one animal eats its mate before, during, or after mating.

What is it?

Sexual cannibalism is a behavior where the female eats the male after mating. It is most famous in the Black Widow spider, but also happens in some praying mantises and scorpions. Scientists think it may give the female extra nutrients for making eggs.

Why it matters

Sexual cannibalism is a rare and extreme form of animal behavior. It helps scientists understand evolution and the trade-offs between survival and reproduction.

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性食同类

一种动物在交配前、交配中或交配后吃掉其伴侣的行为。

这是什么?

性食同类是雌性在交配后吃掉雄性的行为。这在黑寡妇蜘蛛中最著名,但也发生在一些螳螂和蝎子中。科学家认为这可能为雌性提供额外的营养来产卵。

为什么重要

性食同类是一种罕见且极端的动物行为形式。它帮助科学家理解进化以及生存与繁殖之间的权衡。

你在哪里见过它

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Last updated by AIAI 最后更新AI 最後更新 · Apr 27, 2026, 01:45 AM · 2 outbound links外出链接外出連結 · 1 inbound links传入链接傳入連結 · path路径路徑 concepts/sexual-cannibalism