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Medieval society was a world where superstition and myths often blurred the line between reality and imagination. In those days, it wasn’t hard to believe incredible tales about animals. Today, it’s hard to imagine how creatures like the lovable beaver or the devoted dog were once the subjects of such wild stories, but back then, these fantastical accounts were accepted as truth. To their credit, the people of that time didn’t have the luxury of modern technology to verify information, nor were many of them able to read. Even those fortunate enough to learn had limited access to education, and travel was far more difficult than it is today.
A major challenge was the fact that literature wasn’t as prolific as it is now. Nonetheless, stories, especially those about animals, were cherished for providing entertainment and breaking the monotony of daily life. These stories were often sourced from “bestiaries”—compilations of animal descriptions. However, these works weren’t created in the traditional sense; they were copied by hand, often based on the writings of notable figures like Pliny the Elder and Augustine of Hippo, both of whom passed away long before the Middle Ages.
Today, we can look up fascinating insights into medieval perceptions of animals on websites like The Medieval Bestiary, which showcase some of the odd and often inaccurate beliefs people once held about common creatures.
10. Bees
Remember the 'birds and the bees' conversation? Well, in medieval times, the 'bees' part must have meant something entirely different. Why? Because, back then, people didn’t think bees were born like other animals. They believed that bees originated from the decaying remains of oxen or calves. In some versions of the story, bees were thought to arise from worms that formed inside cattle bodies. They also believed the noblest bee among them was crowned king (not queen) and that these bees even engaged in wars.
Medieval people also imagined that bees operated under a set of laws rooted in tradition. No need for punishments or a death penalty—bee lawbreakers were said to deal with their crimes themselves. The theory was that bees punished themselves by committing 'suicide' with their stingers, unable to live with the guilt of their actions. Additionally, bees were classified as birds—specifically, the tiniest of birds. Birds that, according to legend, started life as worms. Maybe ancient cultures had a fondness for irony, just like we do.
9. Mouse
Mice weren’t the only creatures that medieval people thought appeared out of nowhere. Mice, after all, are everywhere. Their abundance led people to conclude that they must have come from something as common as dirt itself. In fact, their name comes from the Latin word humus (meaning dirt), and the word for mouse, mus, was derived from it.
However, not all experts agreed that mice were simply little creatures that emerged from the earth. Pliny the Elder, for instance, claimed that mice were conceived by licking one another or by tasting salt. While it may sound strange, Pliny was the expert of his time. He also believed that mice from Egypt and the Alps had the peculiar ability to walk on two legs. If you're afraid of mice, imagine one of these two-legged, scruffy little creatures coming toward you.
8. Beaver
Ah, the charming beaver with its distinctive buck teeth—an enemy of trees and a nemesis to anyone who owns a river or stream. If you’ve looked into beavers at all, you probably know they were hunted for their pelts. But according to medieval experts, hunters didn’t care about the beaver's skin. What they sought was something far stranger—and much grosser: the testicles. The beaver’s testicles were thought to be used in medicinal preparations.
But it gets even stranger.
It seems that the beaver had quite a zest for life. When it was hunted and realized it had no way of escaping, it made a drastic choice. The beaver would sacrifice its testicles in order to survive. How? It was simple. Its sharp teeth, capable of cutting through tree trunks, also served as the perfect self-castration tool. The beaver would bite off its own testicles and throw them at the hunter, willing to lose its manhood to avoid death. But what if the beaver was once again pursued for its ‘treasure’? No problem—it would lift its leg, signaling to the hunter that they were wasting their time chasing a castrated beaver.
7. Cuckoo
The cuckoo bird—the one that emerges from old clocks every hour—was known for some strange behaviors according to the bestiaries. For instance, cuckoos were described as weak and short-winged, which made long flights a challenge. So, to overcome this, these lazy birds would catch a ride on a kite (the bird, not the toy). How they managed that remains a mystery to this day.
But the cuckoo's laziness didn’t end there. These birds didn’t seem to enjoy parenting. Instead of raising their own young, they would abandon their eggs in the nests of other birds, leaving without a second thought. Not only were they lazy, but they were also terrible parents. However, there was one thing they were said to be good at: their saliva was believed to produce cicadas, those pesky insects that love to keep us awake during the summer nights.
It’s worth noting that in reality, some birds, including several cuckoo species (like the common cuckoo), do leave their eggs in the nests of other birds. So, in a way, the medieval writers were almost right in their observations.
6. Goat
Goats are widely recognized animals, often part of childhood stories—particularly those involving trolls under bridges. Medieval depictions of goats were generally quite accurate. However, there was one peculiar belief about them: the he-goats were thought to be so sexually charged that their blood became incredibly hot. In fact, it was believed that the heat from their blood could dissolve diamonds—yes, diamonds, the hardest known substance. As the authors put it, a stone ‘so hard that it can be wrought neither by iron nor fire.’ It's quite the curious claim. One wonders how they ever tested this theory. And, if they truly believed their blood was hot enough to melt diamonds, how on earth did they manage to kill these goats?
5. Ibex
Then there’s the ibex, the close relative of the goat. Known as ‘mountain goats’ in modern times, the ibex are most famous for their remarkable ability to leap across mountain terrain, seemingly unaware that one wrong move could lead to their doom. They are also easily recognizable by their impressive spiral horns, which serve both as a means of defense against predators and as tools for battling rivals for dominance.
However, the ancients held a rather fantastical belief about these creatures. They couldn’t fathom how an animal could effortlessly scale mountains without some kind of built-in protection against falls. Their solution? They believed that if the ibex were ever to lose its footing, it would land safely on its horns, which they thought were tough enough to survive the impact. The ibex, they imagined, would simply shake off the fall, completely unharmed, and return to its fearless life as a ninja-like mountain goat.
4. Pelican
The pelican might seem like an innocuous creature. After all, it’s the quirky companion of Ariel in Disney's *The Little Mermaid*. You see them at the seaside all the time, generally appearing harmless (though they *can* be rather feisty). However, to the people of medieval times, pelicans were likely a terrifying sight.
Pelicans, like other birds, have offspring. But according to medieval bestiaries, when their babies pecked at them, the pelicans would lose control of their anger and strike them. Not just a little tap, but a blow powerful enough to kill. Yes, they were believed to kill their own chicks. Yet, after three days, the mother would supposedly peck herself until she bled. The blood from the mother would fall onto the dead chicks, reviving them. But the misconceptions didn’t stop there. Some medieval experts even believed that a certain type of pelican consumed crocodiles. Imagine a bird that could defeat a crocodile—definitely a terrifying image compared to the clumsy bird we know today.
3. Panther
Are you familiar with the panther? A real-life image of one can be found here. It’s quite different from the image above, isn’t it? Believe it or not, the real panther more closely resembles that image than the fantastical descriptions medieval experts had about the creature. They envisioned it as a “gentle, multicolored beast whose only adversary was the dragon.”
According to medieval sources, the panther's day would unfold like this: First, it would feast—most likely on dragons. Once its meal was finished, it would retreat to a cave and sleep for three whole days. Upon waking, the panther would emit a loud roar, and as it roared, a pleasant fragrance would pour from its mouth. This scent would draw in animals from the surrounding area, seemingly enchanted by it, and they would follow the smell to the panther.
Well, not all animals were drawn in. The mighty dragons, for some unknown reason, were terrified of the panther. They would hide in fear, as the panther seemed to have an unexplainable effect on them. As for the animals that ventured towards the panther after its nap? What happened to them is never really discussed, but one can guess that there were only so many dragons the “gentle” panther could consume.
2. Weasel
The weasel is a small, ferret-like animal. Most of us probably have a general idea of what it looks like. However, people in the medieval era had a much more limited understanding of the creature—or rather, they had some rather peculiar ideas about it. First of all, they believed the weasel was a dirty animal that was not to be eaten. While few people today would want a weasel sandwich, this part of their thinking isn’t too far from the truth. However, things take a bizarre turn from here.
According to medieval beliefs, the weasel conceived through its mouth and gave birth through its ear. (Some experts argued the opposite, claiming that the weasel conceived through the ear and gave birth through the mouth. It’s tough to say which version is worse.) If the offspring came out of the right ear, it would be a male; if it emerged from the left ear, it would be a female. And if the baby got injured during birth? No problem: the weasel was believed to be skilled in medicine and could revive its wounded young.
1. Dog
Dogs, the loyal companions, have been man’s best friend for as long as anyone can remember. We’ve hunted alongside them, shared meals, cared for them, and loved them since humans first tossed a piece of meat to a wolf. But according to medieval beliefs, dogs were even more extraordinary. They were thought to be unable to survive without human companionship. In addition to their loyalty, dogs were believed to have amazing healing abilities. For example, they could cure their own wounds just by licking them. Even more incredible, it was believed that if you bound a young dog to a wounded patient, the dog’s presence could heal any internal injuries.
Legends of dogs’ bravery and loyalty abound. For instance, have you heard the tale of King Garamantes’s dogs? The story goes that this king was captured by his enemies. But instead of being rescued by his knights or soldiers, it was his 200 loyal dogs who came to his aid. After saving him, the dogs even escorted the king back to his kingdom, fighting off anyone who dared try to capture him again.
There’s a tale of a man who was murdered, and his dog stood guard over his body. A crowd gathered around the lifeless man, but the dog refused to leave his side. The murderer, hoping to deflect suspicion from himself, joined the crowd and approached the body, pretending to grieve. However, the dog recognized him as the killer and attacked. In an instant, the murderer confessed to the crime, fearing the wrath of the dog would not cease until the truth was revealed.
