Animal Facts

Learn about some of the strange and unusual facts and terms in the animal kingdom.

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Feeling Sick? Snuggling With Pets Won't Hurt Them, Could Help You

Don't worry about transmitting the cold or flu to your furry friends. In fact, some time cuddled up can help with your sickness.

Should Other Animals Have the Same Rights (and Responsibilities) As Humans?

Will we witness personhood for other animals in our lifetime? It's not out of the question, thanks to a recent court decision.

9 Times Interspecies Friendship Worked Out OK

In times of strife and conflict, it's good to remember that differences are OK. Here's a dose of adorable: nine interspecies interactions that didn't end up in a meal.

10 Weird Ways Organisms Reproduce

No matter what your imagination can cook up, real life is weirder. Whether it's parasitic wasps or super-controlling ferns, reproduction can be mysterious, gross or even scary.

Did a Russian lake flash-freeze a herd of horses?

Picture a herd of hundreds of horses fleeing a burning forest and running headlong into a wintery lake, which quickly flash-freezes the whole lot of them. Sounds pretty gruesome — and flat-out unbelievable. But did it actually happen? Could it?

Do animals laugh?

Researchers have investigated whether animals are capable of making a unique sound in response to joy.

What's the largest land animal of all time?

Just how big do animals come? Dive backward through time and the fossil record in search of the most colossal member of kingdom Animalia.

How Animal Imprinting Works

Ever wonder why some birds end up following a mother of another species? It has a lot to do with who (or what) is around when they hatch. So maybe keep your distance the next time you spot a nest.

HowStuffWorks: Zoo Atlanta’s New Slimy, Scaly Spectacular

Join HowStuffWork's Robert Lamb as he visits Zoo Atlanta's new Scaly Slimy Spectacular home for reptiles and amphibians.

10 Insects We Love to Study

They're found in stupendous numbers, they don't take up much lab space and they have an awful lot to teach us about the world and its residents. Meet 10 of the insects we just can't stop studying.

10 Recent Breakthroughs in Marine Biology

Marine biologists have discovered a lot about the ocean's residents while you were busy dozing on the beach. We've dug up 10 of their coolest discoveries.

Is hippo milk really pink?

The pink hippo milk myth is the ultimate lesson for those who believe everything they read on the Web.

Do rabbits really go crazy in March?

Rabbits can be fluffy bundles of laziness or superbly rambunctious, but do they really go crazy in March?

Has a whale ever swallowed someone alive?

Fancy yourself a modern-day Jonah? Keep in mind that this most famous of whale tales never scientifically considers if a whale has ever really swallowed someone alive.

Are there really elephant graveyards?

The elephant graveyard lends an air of romance and mystery to the mighty animal, but in reality, it's just a myth.

Are dogs colorblind?

Your dog sees the world in color, not in black and white. Though dogs are often described as colorblind, they see much more than you'd expect.

Can animals count?

Pet owners love to brag about their furry friends, but have you ever wondered whether your dog or cat can count? You may be surprised to learn about the mathematical prowess of some common animals.

Can animals understand human language?

Many humans are sure their pets understand a variety of commands – but what do the experts have to say? Read on to find out exactly how much animals grasp the English language.

Can snakes really come up a toilet pipe?

If snakes can come up a toilet pipe, then you may be left afraid to face the porcelain throne! Don't fret, we'll share the slithery details on these rare occurrences.

Do mice really love cheese?

If you're plagued by rodents, the only sure way to catch them is to load a mousetrap with a large wedge of cheese, right? Wrong – to catch mice, think sweet!

10 Cretaceous Animals That Weren’t Dinosaurs

The dinos hog all the Cretaceous headlines. Do you have any idea what else scurried, hopped and otherwise cruised around Earth before the K-T mass extinction?

5 Food Animals That Are Smarter Than Your Pet

Meet the pig: It can employ evasive maneuvers and play video games with joysticks, among other porcine talents. Kind of a whole different take on bacon, isn't it?

10 Wildly Wrong Animal Stereotypes

The world is full of cuddly koalas, loyal dogs and friendly dolphins. Or is it? Even positive animal stereotypes can be dangerous if they lead to humans making poor judgment calls.

10 Completely Wrong Sayings About Animals

Ever been told you're as stubborn as a mule or blind as a bat? It might have been an unintended compliment. Many common sayings about animals are really off the mark.

10 Superhero Powers of the Animal Kingdom

Flying and being invisible are NOT the only superpowers. What if you could freeze yourself and then reanimate? What if you could survive space without any help from NASA like tardigrades can? Time to introduce a few new superpowers into your arsenal.