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17 Wild Facts About Horses

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"A horse never runs so fast as when he has other horses to catch up and outpace." That's what Ovid said 2000 years ago—and American Pharoah just proved him right. We've depended on horses for thousands of years for more than just a heart-pounding race. Learning about these excellent equines is more than just horseplay.

1. Horses are pretty historical.

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Cave art gives us the first documentation of horses, which were likely domesticated in Eurasia some 10,000 years ago. They appear in mythology from China to Greece and have been relied on for travel, farming, and other purposes by many cultures for thousands of years. Horses have also been involved in almost every documented war. 

2. There are hundreds of horse breeds.

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Seriously. Hundreds. Depending on whom you ask, this list may or may not include ponies (which are usually under five feet tall). They can be divided into several groups, including light horses, heavy horses, and feral horses.

3. Horses have huge eyes.

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Horses have the largest eyes of any mammal that lives on land. They are capable of moving them independently and, because their eyes are on the sides of their head, they have nearly 360 degree vision. However, they have two blind spots—one directly in front of them, and one directly behind.

4. They have some unexpected relatives.

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They're distantly related to rhinoceroses and tapirs. They're also related to donkeys and zebras.

5. Their hooves are sensitive.

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A horse’s hooves are exceptionally complex and sensitive. When the horse puts pressure on its hoof, the blood shoots up its leg into the veins, thus acting like a pump. In addition, the hooves are just like human nails. Their hooves have to be clipped over time in order to keep them from causing the horse any pain or discomfort.

6. Horses eat a lot ...

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Horses eat different amounts depending on their size, but they're all good at putting it away. Like humans, horses will eat not only to meet daily needs, but because food tastes good. So they keep on eating. Some estimates say that a horse that weighs 1200 pounds can eat seven times its weight in a year.

7. But they can't vomit.

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Because of their inability to regurgitate food, digestive problems can be fatal. Reportedly, colic is the leading cause of death in horses.

8. There's a history to the hand.

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A hand unit is 4 inches, and yes, it was originally based on the male human hand. The measurement began in ancient Egypt and was standardized by King Henry VIII in 1541 as a simple way to measure horses. The hand unit is the length of either a clenched fist or the breadth of the hand (although there's some debate over whether or not a thumb should be included). Because most of the time a human hand isn't exactly 4 inches by any of those measures, we now have tape measures specially designed to measure horse height and weight in both hands and centimeters. 

9. Horses are emotional creatures.


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Horses are capable of expressing their emotions through their facial expressions, ears, and nostrils. They are also highly perceptive to human emotions and tend to mirror them. Thus, if you’re in a good mood, your horse will most likely be amiable and easier to handle.

10. The ribbons on their tails mean something.

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If you see a red ribbon on a horse's tail, you should stay back: It means the horse kicks. Red isn't the only color you might see, though. A white ribbon means a horse is for sale, a pink ribbon that it's a mare, and a blue or yellow ribbon that it's a stallion. A green ribbon tells you a horse is younger and probably inexperienced.

11. Most horses are domestic.

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However, there are feral horses out there whose ancestors were tamed animals. For example, North American mustangs are the descendants of Iberian horses brought over by Spanish explorers more than 400 years ago.

The Przewalski’s horse is the only remaining truly wild horse. The breed has never been tamed and—before its population dwindled—it used to exist between Eastern Europe and Asia. It is currently on the list of critically endangered animals, as there are only 1500 left in zoos and breeding facilities.

12. A knight likely had many different horses.

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To be a knight in feudal England, you had to be born into a royal family or earn the honor in battle. That's usually how knights afforded to have several horses for several different reasons. The strongest horses would likely be warhorses, whereas smaller or weaker horses would be used for travel or general purposes.

13. Horses barely sleep.


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Horses usually sleep only 3 to 4 hours a day, and not consecutively—they actually sleep in short bursts, from 10 to 15 minutes at a time. However, they are capable of experiencing two different kinds of sleep, SWS (short wave sleep) and REM (rapid eye movement). In addition, they can sleep standing up because of the way their joints can lock.

14. The Mounties haven't actually ridden horses on the job in a while.

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The Royal Canadian Mounted Police is the national police force in Canada. They're famous for their nifty uniforms and the fact they ride horses. The only problem? Special ceremonies are really the only time they are actually on horseback, because most mounted police forces are now local forces. Regardless, the horses have to go through special training.

15. Arabian horses have a few unique features.

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Compared to other horse breeds, some Arabian horses have one less rib bone and one fewer vertebra. Some legends say they were created by Allah from wind.

16. Australia used to be horse-less.

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The first horses arrived in Australia in 1788 when a British fleet brought them to Sydney. No indigenous horse remains or fossils have ever been found in Australia.

17. It can take a lot to put them in a movie.

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There are a lot of rules governing the handling of animals on a movie set. For a movie to be able to display "no animals were harmed" at the end of a production, the beasts must have been handled by people who have proper training. Representatives from the American Humane Society must supervise "intense action" such as rodeo scenes. Horses shouldn't use stairs, which they have difficulty navigating, and they must be held a safe distance from filming when they're not on camera. And if you fire a weapon while on a horse, it must be held at a certain angle in order to prevent the horse from being injured by powder burns.

There's a lot more, too. If you want to check it out, the Humane Society has published an exhaustive list of regulations here.

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Big Questions
Why Do Cats Freak Out After Pooping?
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Cats often exhibit some very peculiar behavior, from getting into deadly combat situations with their own tail to pouncing on unsuspecting humans. Among their most curious habits: running from their litter box like a greyhound after moving their bowels. Are they running from their own fecal matter? Has waste elimination prompted a sense of euphoria?

Experts—if anyone is said to qualify as an expert in post-poop moods—aren’t exactly sure, but they’ve presented a number of entertaining theories. From a biological standpoint, some animal behaviorists suspect that a cat bolting after a deposit might stem from fears that a predator could track them based on the smell of their waste. But researchers are quick to note that they haven’t observed cats run from their BMs in the wild.

Biology also has a little bit to do with another theory, which postulates that cats used to getting their rear ends licked by their mother after defecating as kittens are showing off their independence by sprinting away, their butts having taken on self-cleaning properties in adulthood.

Not convinced? You might find another idea more plausible: Both humans and cats have a vagus nerve running from their brain stem. In both species, the nerve can be stimulated by defecation, leading to a pleasurable sensation and what some have labeled “poo-phoria,” or post-poop elation. In running, the cat may simply be working off excess energy brought on by stimulation of the nerve.

Less interesting is the notion that notoriously hygienic cats may simply want to shake off excess litter or fecal matter by running a 100-meter dash, or that a digestive problem has led to some discomfort they’re attempting to flee from. The fact is, so little research has been done in the field of pooping cat mania that there’s no universally accepted answer. Like so much of what makes cats tick, a definitive motivation will have to remain a mystery.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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Animals
Listen to the Impossibly Adorable Sounds of a Baby Sloth
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Sometimes baby sloths seem almost too adorable to be real. But the little muppet-faced treasures don't just look cute—turns out they sound cute, too. We know what you're thinking: How could you have gone your whole life without knowing what these precious creatures sound like? Well, fear not: Just in time for International Sloth Day (today), we have some footage of how the tiny mammals express themselves—and it's a lot of squeaking. (Or maybe that's you squealing?)

The sloths featured in the heart-obliterating video below come from the Sloth Sanctuary of Costa Rica. The institution rescues orphaned sloths, rehabilitates them, and gets them ready to be released back into the wild.

[h/t The Kid Should See This]

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