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Animal Mating Behaviour: Painful, Deadly And Bizarre Rituals (PHOTOS)

The Huffington Post     First Posted: 11/09/10 07:12 AM ET   Updated: 05/25/11 07:10 PM ET

This is not kid-safe science, readers, so proceed accordingly. Also, if you are squeamish, it's probably not for you either. But if you have a healthy curiosity and interest in what could be deemed ultra S&M in the animal world, well, this article is most definitely for you.

Some female insects eat the males during and after mating. Some animals just expire, their purpose in life now fulfilled. Other species don't just mate - they viciously attack each other. Read on for tales that will make your own sad love stories seem like a fairy tale.

Flatworms
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Penis fencing.

That got your attention. And yes, that is the official term for it.

Flatworms are hermaphrodites, meaning they don’t have a specific sex. To mate, two of them attack each other with a pair of sharp penises. Whoever scores first by stabbing the other gets to walk away from the violent one night stand scotch free. The loser is now knocked up and has to carry around and give birth to the offspring.
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