Female black widows sometimes eat their mates after copulation. Female praying mantises are known for biting off the male's head. Scientists now say male blue-lined octopuses avoid a similar fate ...

A large female praying mantis eating a smaller male praying mantis. green praying mantis in Defensive Stance close-up photo of the green praying mantis (Mantis religiosa) Mantis in a Defensive Stance ...

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The love life of a male blue-lined octopus is tough. Like praying mantises and widow spiders, a female blue-lined octopus will often kill and eat the male after mating. It's just a circle of life for ...

Male lions that take over a new pride often kill and sometimes eat the cubs of the previous dominant male to ensure their own genes are passed on. While famous for sexual cannibalism, female mantises ...

PARIS: When a female praying mantis bites the head off her sexual partner, it is probably not out of anger. According to a study published Wednesday, the mantis’ proclivity for devouring her ...

Even solitary ladies can be dangerous: lady spiders and praying mantis have ferocious love ... The highest-ranking male alas, scores lower than the lowest-ranking female! Lions have been called the ...