Tagged With sexual cannibalism

Scientists in Israel have observed a strange behaviour among brown widow spiders: When given the choice, the males of this species prefer to have sex with older females even though they're less likely to bear offspring. More problematically, these older females are also more inclined to devour their partners after mating, making the males' preference all the more baffling.

During sex, female praying mantises have a tendency to kill their partners with a decapitating cutting blow that would make a samurai proud. But as this shocking new video shows, just because a male doesn't have a head doesn't mean he still can't get it on.