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Evolution of Tamed Beings: 50 Domestication Facts

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26 Caribou and Reindeer: Same Species

Caribou and Reindeer: Same Species

Reindeer and caribou are the same species. In North America, the term “caribou” refers to the wild version, while “reindeer” applies to domesticated ones. People in Europe universally refer to them as reindeer.


27. Thousands of years ago, humans domesticated a mold called Aspergillus oryzae. This mold produces soy sauce, miso, sake, amazake, and other savory products.


28. When a domestic pig escapes into the wild, it reverts to a wild state within months. It grows tusks, develops a hairy coat, and becomes significantly more aggressive.


29. Domesticated and wild dogs scavenge human remains differently. Pet dogs often eat their owners’ faces, while wild dogs focus on nutrient-rich organs in the abdomen.


30. The milk of the domesticated eland, a large African antelope, lasts up to 80 times longer than cow’s milk. Additionally, elands require far less water than cattle.


31 Ants Domesticate Aphids for Honeydew

Ants Domesticate Aphids for Honeydew

Ants herd and domesticate aphids by “milking” them for honeydew nectar, moving them to sweeter plants, and protecting them from predators like ladybugs.


32. The domesticated dog evolved from a tamer version of the gray wolf. DNA evidence suggests dogs were domesticated in Asia at least 15,000 years ago, though some researchers believe dogs and humans have partnered for as long as 100,000 years.


33. People specifically select certain breeds of domesticated pigeons for their ability to tumble or roll in the air.


34. Wild alpacas do not exist. The alpaca is a domesticated version of the vicuña, a species closely related to llamas.


35. Domestic hamsters hibernate during winter, often leading people to mistakenly assume they have died.


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36 Indo Gigante: 1.2-Meter Chicken Breed

Indo Gigante: 1.2-Meter Chicken Breed

The Indo Gigante, a domestic chicken breed, can reach a height of 1.2 meters.


37. The names for domestic food animals while they are alive come from lower-class Anglo-Saxons, who tended them, while the names for their meat come from upper-class Norman French, who could afford to eat them.


38. The biomass of domesticated poultry, mainly chickens, is roughly three times greater than that of all wild birds combined. In 2016 alone, humans consumed about 65.8 billion chickens.


39. Guinea pigs were originally domesticated as a source of meat and remain an essential part of traditional Peruvian cuisine, where they are known as cuy. A cathedral in Peru features a painting of Christ and the 12 disciples eating guinea pigs during the Last Supper.


40. Street pigeons, also known as feral pigeons, descend from domesticated pigeons, not wild ones.


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41 Egyptians Domesticated Hyenas for Meat

Egyptians Domesticated Hyenas for Meat

Ancient Egyptians domesticated hyenas and used them as a food source.


42. Ferrets do not exist in the wild; they are the domesticated form of the European polecat. Interestingly, America’s “black-footed ferret” is actually a species of polecat.


43. A 2022 study revealed that domesticated betta fish can change their sex due to their DMR1 genome.


44. The Selk’nam people of Tierra del Fuego domesticated the culpeo, a South American fox species, resulting in the “Fuegian dog.” Unfortunately, the Fuegian dog became extinct in the late 19th or early 20th century, coinciding with the genocide of the Selk’nam people.


45. Around 300 B.C., the Mayans viewed turkeys as vessels of the gods and honored them accordingly. The Mayans originally domesticated turkeys for their role in religious rites.


15 Most Controversial & Costly Blunders in History


46 Rabbits Domesticated for Lent Consumption

Rabbits Domesticated for Lent Consumption

The 7th century A.D. saw the domestication of rabbits. Interestingly, the Catholic Church played a role in their domestication by ruling that fetal rabbits were a type of fish, making them acceptable to eat during Lent.


47. Wild oats and rye self-domesticated by growing in wheat fields, gradually imitating wheat over generations. This process, called Vavilovian mimicry, led to their selection through agriculture.


48. Corn, a type of grass, was domesticated 8,700 years ago. Human intervention has so thoroughly domesticated corn that it can no longer survive without us.


49. Before their domestication, potatoes were poisonous. People ate them with a clay-and-water gravy to counteract the toxins.


50. The 20th century saw the successful domestication of only four major fruits and nuts. The U.S. Department of Agriculture domesticated three of them-avocados, macadamia nuts, and blueberries. New Zealand domesticated the fourth: the kiwifruit.


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122 COMMENTS

  1. RE: Fact #12 (Egyptians Attempted Cheetah Domestication) – To me, “tried” sounds like things didn’t go so well for some Egyptians.

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      • Hey Bob, chill! If he wanted to kill you, it would’ve happened already. He’s into you. Seriously, he *really* likes you. Just relax, this’ll all blow over.

        43
    • That old factrepublic article got me thinking. Apparently, there’s a lot out there about people keeping cheetahs as pets, but nobody’s sure if there was ever a tame kind that went extinct or just mixed back in with the wild ones, or if it was always just wild cheetahs.

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  2. RE: Fact #39 (Guinea Pigs: Peruvian Cuisine Staple) – I’m Peruvian. Someone put it perfectly: a whole lot of effort for not much meat. But up in the mountains, it was easy to get and a good source of protein because they breed like rabbits.

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  3. RE: Fact #9 (Drooping Ears in Domesticated Animals) – Check out some YouTube videos on those foxes—I think it was an accident. They were trying to breed out the aggression, but ended up with fluffier foxes with floppier ears and tails, and different eye colors.

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    • They aimed for friendliness, but ended up with a bunch of baby-like features. So, basically, we made the grown-ups act like babies. Makes sense, especially with animals that aren’t naturally social, like foxes. They’re only friendly as babies or when mating – getting grumpy as they age.

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      • My wife, who’s a biologist, says they both had those traits. Still, just because things happen together doesn’t mean one causes the other. Genetics are complicated.

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  4. RE: Fact #17 (Sheep Need Humans for Shearing) – Any wild sheep still around? What animal did we breed to get our domestic sheep? And what do those wild ones look like?

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    • Wild sheep exist. Domestic sheep came from breeding local wild sheep over tons of generations—it really depends on the location. After all that time, they become totally different.

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  5. RE: Fact #35 (Domestic Hamsters Hibernate in Winters) – I really hope my parents were right about those hamsters that mysteriously “died”… phew!

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  6. RE: Fact #2 (Australia’s Two Distinct Dingo Populations) – That’s pretty interesting, right? The dogs in the east are all related back to New Guinea singing dogs and eventually China, but the western ones aren’t. Their genes are closer to European breeds, meaning they probably came from somewhere else—maybe India or so. And get this: all dogs today come from just five original groups.

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  7. RE: Fact #24 (India’s Role in Zebu Domestication) – So, how’d they play cowboys and Indians if all the cowboys were actually Indians?

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  8. RE: Fact #17 (Sheep Need Humans for Shearing) – That’s not entirely right. Lots of hair sheep are still raised for meat and milk. You see more wool sheep because wool’s a bigger deal than sheep milk or meat, in most places anyway. But tons of smaller farms raise hair sheep.

    They’re perfect for smaller farms because you get meat and milk without the shearing hassle. Shearing usually needs a pro, and small farmers might not have one nearby or it might not be worth it for a small flock. Plus, there’s not much of a market for small amounts of raw wool, but you can easily sell meat and cheese at farmers’ markets.

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  9. RE: Fact #1 (Silk Moths Fully Rely on Humans) – Like most farm animals, they totally rely on us for everything, even finding a partner.

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    • Pigs, though? Different story. They go wild super fast, and suddenly you’re dealing with a whole bunch of mean pigs that’ll eat anything and multiply like crazy.

      48
    • That’s not really true. Let loose a bunch of cows in a pasture, and they’ll quickly act like wild cows again. Silk moths are totally different; drop them in a mulberry grove and they’ll just sit there and wait to be rescued. They’re probably the only animal that’s been domesticated to that extent. Tussah silk moths, though, need to fly free to breed, making them much harder to farm.

      45
  10. RE: Fact #8 (Dogs Share Traits with Williams Syndrome) – I brought my sis with me when I left home. This research really explains a lot.

    She’s already psyched about my birthday, five months away! She randomly texts me “I love you.” She gets so excited over little things – like, seriously, she’s blown away when I bring her dinner. She might not get algebra, but she loves harder than anyone I know.

    Bottom line: my sister has Williams syndrome, and she’s like a golden retriever who can text.

    47
  11. RE: Fact #12 (Egyptians Attempted Cheetah Domestication) – I went out with this girl who worked with big cats—she said lions were pretty straightforward. Hungry, you’re toast, but if they’re fed, they’re basically giant lazy dogs, all about conserving energy. Cheetahs though? Total weirdos, like a tiny, unpredictable dog. You never know what they’re up to, so you treat them with caution. Panthers? She called them jerks. Sweet, cuddly jerks who’d eat you in a heartbeat.

    That’s what chatting with a zookeeper sounds like.

    68
    • So, panthers, right? She called them cuddly, sweet assholes who’d eat you in a heartbeat.

      I think Ego from Guardians of the Galaxy 2 is the perfect panther. That’s what happens when you’re at the very top of the food chain.

      We humans won by being smart, though. Panthers are ultimate killing machines. Nothing else on Earth compares… maybe killer whales, and possibly some seriously freaky insects, but yeah, they’re insane.

      48
  12. RE: Fact #28 (Pigs Quickly Revert to Wild State) – Yeah, growing up near a pig farm, we’d mess with those pigs—shooting them in the rear with BB guns. We’d have to go through the woods, and sometimes these wild pigs would chase us. Man, they were vicious! Years later, I figured out they were just escaped farm pigs gone wild. And before you get all worked up, we were just dumb kids, we’d even shoot each other for fun too. We weren’t trying to hurt the pigs.

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  13. RE: Fact #12 (Egyptians Attempted Cheetah Domestication) – Picture a cheetah tearing through the house at 3 AM, hitting 70 mph in the hallway.

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    • It’s not unusual for chickens to lay double-yolk eggs at certain times of year. Farmers often give them away or keep them themselves because people don’t usually buy them, and stores often send them back. My mom gets them free from a local farmer.

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      • Cantonese folks will pay extra for eggs with double yolks—they think it’s lucky! And they’ll happily pay for fresh fish heads, too.

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  14. RE: Fact #45 (Mayan Turkeys Honored as Divine Vessels) – My wife’s an anthropology grad student, and she’s done a bunch of work on the Maya, especially their bird beliefs. She hadn’t seen this before. Thanks for sharing!

    73
  15. RE: Fact #2 (Australia’s Two Distinct Dingo Populations) – Crazy, right? Australia didn’t have dogs until relatively recently – like, 8,000 to 3,000 years ago. Aboriginal Australians went without dogs for a huge chunk of their history.

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  16. RE: Fact #19 (All Pet Hamsters from One Pair) – Hamsters, because of all the inbreeding, often get heart problems from birth. It’s almost as common in them as it is in people.

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    • Happened to us too. Way back when, humans went through a real genetic squeeze. I’m too plastered to find the info, so someone else will have to look that up.

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      • A giant volcano blew its top, covering everything in ash, and it got super cold. Most people died, so everyone alive today is more genetically alike than two chimps from different parts of the jungle.

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  17. RE: Fact #18 (Berserk Llama Syndrome from Human Attention) – We sold a super friendly male llama, Criasto, to a friend. She adored him, he was such a sweetie! But years later, things went south – they should’ve fixed him, but ended up shooting him instead.

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  18. RE: Fact #28 (Pigs Quickly Revert to Wild State) – Is this real or fake? One guy says it’s true, but others think he’s full of it. What’s the story?

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  19. RE: Fact #15 (Soviets Tried Domesticated Moose Cavalry) – Canada’s had this tech for ages. They called it “Operation: Is That A Fu*king Moose!?”

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  20. RE: Fact #13 (New Guinea’s Ancient Cassowary Domestication) – Turns out, those early humans were way smarter than we used to think, at least according to the New York Times.

    Eighteen thousand years ago, people were basically just like us.

    This might sound weird, but “culturally modern” just means they were as smart and learned as we are. If you could go back in time and bring a baby from then to now, they’d grow up perfectly normal.

    50
    • Even what they’re calling “sophisticated intelligence” is just figuring out how to find food in tough spots. It makes it sound like early humans were total dummies. Some folks, like, John Locke, think early humans were unintelligent, but actually, they were incredibly smart for their time.

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  21. RE: Fact #9 (Drooping Ears in Domesticated Animals) – So that’s why cats’ ears perk up – they were never really tamed!

    56
    • Look, some dog breeds *do* have floppy ears, but they’re kinda goofy-looking.

      I’m pretty sure you’re right though. Cats were basically bred to be independent hunters.

      46
      • They were pretty chill, but definitely not house cats. Still, I adored my kitties and totally waited on them hand and foot until they passed.

        39
      • Cats basically domesticated themselves. They started hanging around farms because of all the mice, and we kept them around ’cause we thought they were adorable little killers.

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  22. RE: Fact #3 (Cats: Self-Domesticated Hunters) – Dog people: “Let’s breed these super strong, loyal pups for all sorts of jobs – and make them look totally different!”

    Cat people: “They’re adorable and catch mice. Leave ’em be.”

    50
    • Mom and Dad’s cat is a total pain, but that old house? She’s a mouser extraordinaire. I watched her track a mouse for, like, half a day. Seriously dedicated.

      48
      • My cat’s usually a chubby couch potato, but when we had a mouse a couple years back, he totally became a ninja! It was like a switch flipped. Then, poof, back to his lazy self after we got rid of the mouse.

        38
      • We had a mouse problem under the oven, so we got an exterminator to set traps. They got a few mice, then left. Our cat, though, she’d hang out by the oven for hours every night. We’d joke that all the mice were gone, but nope! Three months later, we started finding half-eaten mice everywhere – she’d been hunting them the whole time! Years later, no mice, but she’s back by the oven again. Same joke, same result – more dead mice a couple weeks later. Turns out, she’s the real expert on house mice, haha!

        32
  23. RE: Fact #1 (Silk Moths Fully Rely on Humans) – It’s wild how one species can completely dominate another, changing who they are and what they’re supposed to be.

    61
    • Way back when, the mitochondria in your cells were probably their own tiny single-celled creatures. Now they’re basically the powerhouses of your body.

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      • So, just because we get rid of them doesn’t mean they aren’t getting something out of it. The whole point of living is to live, be useful or live long enough to have kids, and then die. If they’ve lost everything that helps them survive and still manage to do that, it’s just nature doing its thing.

        30
  24. RE: Fact #16 (Domestic Rabbits Can’t Breed Wildly) – So, how’d a man and a cow have a Minotaur kid, then? Explain that to me.

    63
    • That’s exactly what I thought when I saw read the source article! Domestication is basically when humans breed a species to do what we want. The Wikipedia page on it really clears things up.

      17
      • I reckon a big part of being domesticated is that the animal doesn’t usually want to kill people. Take dogs, for example – they could easily tear your throat out, but they almost never do because they’re not inclined to. Same with cows: they could trample you flat, but farmers walk around them all the time without a second thought. That’s why I think cats aren’t totally domesticated; if they *could* kill you, a lot of people believe they would.

        45
  25. RE: Fact #28 (Pigs Quickly Revert to Wild State) – That’s just not right. It takes ages – at least a whole generation – for a house pig to get those wild pig features. Those genes for things like tusks, hair, and meanness don’t just switch on in a grown pig; it’d have to be a baby pig. Any wildlife expert will tell you that’s nonsense – it can’t happen in one generation.

    42
  26. RE: Fact #37 (Class Divide Reflects Food Names) – That’s how French fries got their name – we grew the potatoes, but fancy French folks claimed them!

    59
    • They totally ambushed me a few times while I was sneaking around that pirate base in Far Cry 3. It was like that “clever girl” scene from Jurassic Park – they waited until I put down my scope to pounce.

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  27. RE: Fact #8 (Dogs Share Traits with Williams Syndrome) – Taming animals mostly means picking the friendliest ones, and maybe we humans are friendlier now because of all the dogs and other animals we’ve tamed. I’d say the opposite of friendly here is scared.

    68
    • I got totally sucked into a Google search. Crazy, but wild horses actually originated in North America, wandered over to Asia, and then died out here. Then, fast forward a bunch of years—the Spanish brought them back in 1493.

      36
      • Camels originally evolved in America, then wandered over to Asia during an ice age. They died out in North America around when the first people showed up. Now, the only wild camels left are Bactrian camels in the Gobi Desert, and even they’re in trouble. All other wild camels are probably just escaped domestic camels.

        25
  28. RE: Fact #20 (Modern Cattle Originated in Turkey) – Turns out, we all come from a tiny group of maybe 1,000 to 10,000 couples—way back 70,000 years ago. And we’ve been through population shrinks before, too.

    37
  29. RE: Fact #8 (Dogs Share Traits with Williams Syndrome) – They don’t really explain Williams Syndrome completely. People with it have trouble controlling their thoughts and feelings. Sometimes they’re sweet, but other times they can be really mean, even nasty and hateful. I saw an 11-year-old go from being all cuddly to peeing on their shoe and hitting someone else – instantly!

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  30. RE: Fact #34 (Alpacas: Domesticated Vicuña Relatives) – Vicuñas have the softest hair of any animal used for clothes – seriously pricey stuff!

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  31. RE: Fact #25 (Hippo Domestication Attempt Ends Tragically) – More people die from hippos in Africa each year than from lions.

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  32. RE: Fact #15 (Soviets Tried Domesticated Moose Cavalry) – Get ready for a bloody good time. The Moose Riders, coming this fall on HBO.

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  33. RE: Fact #25 (Hippo Domestication Attempt Ends Tragically) – Talk about hypocrisy!

    I’m sticking around all night, everyone.

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  34. RE: Fact #27 (Humans Domesticated Mold for Soy Sauce) – I just noticed how many yummy foods we eat are actually fermented! Think cheese, wine, beer, bread, soy sauce – the list goes on.

    45
    • Some Koreans really don’t like the idea that kimchi didn’t always have chili peppers. A few people have even spent ages writing crazy stuff, just to avoid admitting kimchi isn’t completely Korean.

      40
    • Some jerk was arguing with me that the potato isn’t really Irish because they’ve been eating them for ages.

      25
    • Peanuts, potatoes, avocados, beans—wow, those ancient Mesoamericans really knew how to grow stuff! The wild versions of many of these plants? Forget about it, they’re either inedible or poisonous.

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  35. RE: Fact #31 (Ants Domesticate Aphids for Honeydew) – Apparently, ants sometimes clip aphids’ wings so they can’t escape. They also use stuff on their feet to keep the aphids’ wings from even growing properly.

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  36. RE: Fact #17 (Sheep Need Humans for Shearing) – If people vanished and sheep were left, would their wool keep them safe or get them killed?

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  37. RE: Fact #40 (Street Pigeons Descend from Domesticated Ones) – Domestic pigeons came from wild ones. So, street pigeons are basically wild pigeons, but with a longer history of domestication.

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  38. RE: Fact #42 (Ferrets Are Domesticated European Polecats) – Ferrets are kinda like cats; they domesticated themselves because it was mutually beneficial. Like cats, they hunt mice and other small rodents, which humans liked, so they let them hang out in barns, farms, and houses.

    This gradually led to ferrets and humans living together. Eventually, people realized ferrets were *amazing* hunters, especially rabbits and other small game.

    Then humans started breeding and domesticating ferrets for hunting—it’s like dog hunting, but with a ferret! And these little guys are really good at it.

    So good, in fact, that some European countries put limits on ferret hunting based on land ownership. Think “one ferret per ten acres” kind of restrictions. They were *that* good.

    You know how kiwis disappeared from New Zealand? Ferrets. And now they’re illegal pets there. Seriously, they smell like fritos and grape Kool-Aid powder.

    A ferret’s smell mostly comes from its diet. Stinky ferrets usually get fed junk. Garbage in, garbage out. We feed ours freeze-dried raw food and Epigen 90 kibble, and they smell good.

    Ferrets aren’t the most social pets at first. They take forever to warm up. Unlike dogs, they like being around you, but not being touched. Pet them, and they’ll scoot away, looking offended. It takes a while to learn how to pet them right, maybe a couple of years.

    They sleep 18+ hours a day. They’re sleepy creatures, alternating between sleeping soundly and being tiny furry tornados. An hour of crazy activity, then back to sleep for hours.

    Ferrets make this sound called “dooking,” and it’s awesome. It’s hard to describe, but you can find videos. One of ours only dooks when we squeak a toy; she just waddles around happily dooking for ten minutes. No idea why, but she seems to enjoy it.

    Ferrets need big, strong cages. I see so many ferrets in tiny rabbit cages—they’re way too small, and ferrets can even die in them. They’re great at squeezing through spaces, and the flimsy wire can let their heads through, then they get stuck and suffocate.

    I recommend Ferret Nation or Critter Nation cages. They’re the best, and almost every ferret owner loves them.

    Ferrets need tons of free roam time. Yes, they sleep a lot, but they’re much happier if they can choose where to sleep. Ours usually pick a spot outside their cage during the day. We have a whole room for them with toys and enrichment, plus their cage with a ramp.

    Aim for at least six hours of free roam time daily. Ferret-proof your home; it’s a lot of work, but it makes free roam much easier. Baby gates and removing couch feet are your friends.

    Ferrets love to stash things. They’re like little dragons, hoarding tiny treasures. One of ours steals socks; I often find her pile of stolen socks, sometimes with her sleeping on top. A tiny sock dragon! They’ll stash anything they can move.

    Don’t bathe ferrets. They clean themselves. A warm, wet cloth is fine occasionally.

    If you *must* bathe them, use only warm water—no soap! Ferrets have important protective oils; soap removes them, causing itchy, dry skin, and making them smellier. Water alone cleans off dust and dirt without messing with those oils.

    Hope you enjoyed these ferret facts! Ask any questions you have!

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  39. RE: Fact #13 (New Guinea’s Ancient Cassowary Domestication) – They still keep them in cages. Basically, domestication is all about breeding animals to be more useful to us. I have no clue how different they are now.

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  40. RE: Fact #18 (Berserk Llama Syndrome from Human Attention) – Hey man, that guy’s been around a ton lately. I’m starting to think he’s a total llama.

    Whoa, dude, you’re totally right!

    55
    • Huckleberries, blueberries, currants, and even elderberries—though not quite as well—thrive near big oak trees. Those trees create the perfect spot: acidic soil and some shade make berry bushes really happy.

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