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Penis Fencing? The 10 Weirdest Facts About Sex In the Animal Kingdom

Here's a glimpse at some of the world's weirdest mating rituals.

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So there are just a few thoughts on why some species eat their mates. And you thought it was because their mates were filled with cheese. 

9. That Warm, Vampiric Glow

From hot tubs to warming vibrators to fireplaces, heat is considered sexy. And  the male of this species makes his own. 

Sea lamprey sex isn’t that bizarre—in fact it’s a fairly straightforward matter, as  Laura Poppick of LiveScience reports. Male vampire fish meets female vampire fish (they sustain themselves by parasitically attaching to other fish and sucking their blood); male attaches hideous suction cup mouth to female’s head, vigorous thrusting ensues, gametes are shot out into the world and land in a little depression mother vampire fish makes with her tail.

What’s new and interesting about it all, Poppick reports, is the discovery that a ridge of fat cells near the anterior dorsal fin of the male heats up when females approachs. It’s the first time heat-generating (thermogenic) tissue has been identified in a cold-blooded species. 

Why they do it is unclear, but as Poppick writes, generating heat burns caloric energy and the varying degrees to which they heat up suggests that males tend to spend more energy on attractive females. Since they die after mating it’s energy nature would consider well spent. 

10. Pigasm

Coming back full circle to Nick Cage’s dismissal of the pig as having undignified sex, here’s a tidbit about pig nookie. There’s a rumor afloat that pigs have 30-minute orgasms. While I couldn’t find anything to substantiate this, it does say in the Orgasm Answer Guide that male pigs do take five minutes to ejaculate. For comparison, rabbits take one second, and the "conscious perception of orgasm” in human males is 20 seconds or less. 

Animals may not be able to rhapsodize in erotic novels and women’s magazines about orgasm, but scientists have concluded that sex is just as rewarding for animals as it is for humans. You know what that means? Male pigs are having climaxes that are 15 times better than human males.

Liz Langley is a freelance writer in Orlando, Fla.

 
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