Weird Nature Things You Didn't Know About Animal Sex  

Ashley Reign
2.9k votes 675 voters 227.9k views 33 items
By now someone has probably already schooled you in the facts of life, but you might be surprised to learn that still don't know all the facts, especially when it comes how animals reproduce. We’ll warn you up front that some of these weird facts about animals may leave you too traumatized to ever go to the zoo again. Still, if you've ever wondered how big a whale penis is, this list of animal sex facts is for you.

Here you’ll find some crazy, wild, and just plain weird facts about animals and their sex lives. So if you’re ready to discover the horrible truth about how pandas get in the mood or the amazing form of birth control known only to chickens, take a look. You're about to learn about everything from detachable penises to girl monkeys that charge males for sex.

So if you’re one of the bold few out there who’s ready to explore the animal kingdom in all its um…. "glory," check out this list of facts about animal sex. These feisty creatures are ready to sing you the love song of their people and make you feel a helluva lot better about your own sex life.
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The Average Blue Whale Penis Is Between 8 and 10 Feet Long


The Average Blue Whale Penis I... is listed (or ranked) 1 on the list Things You Didn't Know About Animal Sex
Photo: via Pinterest

If you've ever wondered why male blue whales look so cocky, it's probably due to the fact there penises are literally the largest on earth. Ranging between 8 to 10 feet long, the average blue whale's penis is estimated to weigh "between 390 – 990 lbs. depending on the penis's overall size."

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Girl Chickens Can Eject Sperm if They Don't Like the Rooster Who Mated With Them


Girl Chickens Can Eject Sperm ... is listed (or ranked) 2 on the list Things You Didn't Know About Animal Sex
Photo:  Narith5/Wikimedia Commons

As it turns out, chickens get around. . . a lot. In fact chickens have actually proven to be some of the most promiscuous members of the animal kingdom, often mating with far more roosters than is necessary to fertilize their eggs. Believe it or not, this doesn't mean that they aren't selective when it comes to breeding.

They practice what's scientifically known as "seminal evacuation," which basically means that if they don't like the guy rooster they've done the deed with, they can eject his sperm after they're done mating. According to a recently published paper, this helps girl chickens "retain control of paternity even in species such as fowl where males can force mating."

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Male Dolphins Can Swivel Their Penises Like Helicopters


Male Dolphins Can Swivel Their... is listed (or ranked) 3 on the list Things You Didn't Know About Animal Sex
Photo: David Stone/Vimeo

Male dolphins, much like male humans, have a generous sexual appetite and don't necessarily just mate for the purposes of reproduction. Some male dolphins have even been observed coming up with creative forms of masturbation such as wrapping live eels around their penises.

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Bonobos Are Bisexual and Think Sex Is the Answer to Every Situation


Bonobos Are Bisexual and Think... is listed (or ranked) 4 on the list Things You Didn't Know About Animal Sex
Photo:  Rob Bixby/Wikimedia Commons

Like literally every situation. In the Bonobo world, casual sex is used for everything from conflict resolution to payment for food. Nearly all bonobos are thought to be bisexual and it's estimated that up to 75% of the sex they engage in has nothing to do with reproductive purposes.