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  • The Merge

11 Fun Facts About Animals You Probably Didn't Know

With a world teeming with over 8 million species of animals, there's no shortage of incredible quirks and peculiarities waiting to be discovered.

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Embarking on a journey through the animal kingdom invites a sense of wonder and astonishment. Each species, from the tiniest insect to the largest mammal, holds a myriad of secrets and quirks that are just waiting to be discovered.


With their distinctive traits, unusual habits, and remarkable abilities, animals provide a constant source of both amusement and fascination.


Prepare to be astounded as we dive into a world teeming with the bizarre, the remarkable, and the downright hilarious. These fun and lesser-known facts about animals are bound to leave you amazed, proving yet again that truth can be stranger than fiction. Let's venture into the wild, shall we?



Polar Bears have black skin and see-through fur

Believe it or not, despite their snowy-white appearance, polar bears have black skin. This is one of the most astonishing fun facts about animals that tend to surprise most people.


The fur of these arctic giants isn't white but transparent, devoid of pigmentation. Their fur appears white because of a unique structural characteristic—it scatters and reflects visible light, much like snow, causing it to look white.


Unlike human hair, which obtains its colour from pigments, the colour of polar bear fur results purely from light interaction. So beneath the deceptive white fur, their skin is indeed as dark as night.

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Like Human females, a few Whales, and Elephants are the only mammals to undergo menopause

Among the estimated 5,000 species of mammals that inhabit our planet, only a select few experience menopause, which includes female humans, certain whales, and some elephants.


The intriguing process of menopause, where reproduction abilities gradually diminish, is witnessed in killer, pilot, and humpback whales.


Elephants too share this unique trait, but not uniformly across all species. For instance, while Asian elephants undergo menopause, their African counterparts do not, highlighting the fascinating variances in the natural world.

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Giraffes only sleep 30 minutes a day at five-minute intervals

Giraffes, renowned as the world's loftiest creatures, also happen to be among the most sleep-deprived.


According to Animal Planet, these regal beings squeeze in only 30 minutes of slumber per day, segmented into brief five-minute intervals. Living in areas fraught with danger from hungry predators like lions and leopards makes uninterrupted rest a luxury they can ill afford.


Still, sleep is a necessary function, and giraffes have adapted. They take brief power naps either seated, nestling their heads on their backs, or standing upright - ever ready for a swift escape if need be.

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Reindeer eyeballs turn blue in winter and are gold in summer

Sporting an intriguing feature known as Tapetum Lucidum (TL) behind their retinas, Arctic Reindeer boast an extraordinary visual advantage. This TL is a light-reflecting layer that significantly amplifies the reindeer's nocturnal vision.


During the gleaming summer brightness, the reindeer's eyes exhibit a golden hue. This is due to the TL reflecting the majority of incoming light. Conversely, in the stark chill of winter, their eyes transform to a deep blue, permitting lesser light to be reflected outwards.


This incredible adaptation enables reindeer to navigate the dimly lit Arctic winter landscape with ease - a fascinating animal fact that's not widely known.


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One Cow poops almost 115 pounds of manure in a day

Remarkably, a single cow can produce up to 15 droppings each day, which amounts to a staggering annual output of around 21 tons.

Rather than being a waste product, these copious cow deposits are widely utilised for our benefit. Globally, they serve as a vital resource in the production of manure and biogas, making the humble cow pat an essential ingredient in sustainable living.

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Parrotfish eat coral and excrete sand. A large parrotfish can produce over a ton of sand per year!

Surprisingly, the gleaming white sands adorning numerous beaches owe their existence to parrotfish poop. Equipped with beak-like mouths, these vibrant creatures nibble at algae on rocks and dead corals.


The inedible calcium-carbonate substance, essentially coral skeletons, is processed in their digestive system and later expelled as sand.


Simultaneously playing a crucial role in preserving the coral reef ecosystem's diversity, a single parrotfish can generate several hundred pounds of this pristine white sand annually!



There are almost one million ants for every human in the world

Ants, boasting over 12,000 species, have conquered every corner of the globe except for the icy expanse of Antarctica. It's astonishing to consider that for every human, there are estimated to be nearly one million ants!


Even more astounding, when it comes to a comparative weight check, the combined weight of the entire ant population is roughly equivalent to the total weight of all humans. This nugget of information ranks high among the most astonishing fun facts about animals.


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A Snail can sleep for more than 3 Years

Snails, these seemingly lethargic, slimy beings, have an exceptional ability to sleep for extended periods.


As reported by Mental Floss, the British Museum once procured an Egyptian desert snail specimen, assuming it to be deceased. To their surprise, the dormant creature sprung back to life, embarking on a leisurely crawl four years later. Astonishing, isn't it?


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Frogs cannot vomit. If one has to, then it will vomit its entire stomach.

Unlike most creatures, frogs have an unusual response when they need to expel something harmful they've consumed.


They don't just regurgitate, they perform what's known as 'full gastric eversion'. This means they vomit out their entire stomach. This unusual biological function allows the frog to remove any harmful substances it may have ingested, by turning its stomach inside out and ejecting it from its body.


Being a neat animal, the frog then uses its front legs to clean the expelled stomach that's protruding from its mouth, ensuring no leftover fragments remain.


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A Cow can sleep standing up but can only dream lying down

Cows, akin to other sizeable herbivores such as horses, rhinos, moose, and bison, can achieve light sleep while standing up, similar to a brief nap. However, what makes this aspect intriguing is that for deep, REM sleep— the kind that includes dreams— cows need to recline, just like we humans do. Hence, for a complete, fulfilling sleep experience, cows must lie down, which adds a unique perspective to our understanding of animal behaviour.

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A Blue Whale weighs close to the weight of three adult Elephants

Blue whales, these colossal sea dwellers, tip the scales to equal the weight of three full-grown elephants and extend in length comparable to three Greyhound buses.


Remarkably, their tongue alone has a weight equivalent to that of an automobile or a petite elephant, roughly 2.7 tonnes. This makes them one of the most awe-inspiring species in the animal kingdom.

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