Animal Facts
Learn about some of the strange and unusual facts and terms in the animal kingdom.
Why Do Cats Purr? Happiness Isn't the Only Reason
7 of the World's Smallest Dog Breeds
Are Table Scraps Actually That Bad for Dogs?
10 Biggest Sharks in the World
The Pink Fairy Armadillo Is as Mystifying as Its Name
Snakes Can Hear You Scream, New Study Says
Could California Condor 'Virgin Birth' Rescue the Species?
Among Other Amazing Creatures, the Amazon Has Pink Dolphins
Meet 5 Lazarus Species, Animals Once Presumed Extinct, But Alive and Well
Real Life 'Jurassic Park'? Scientists Work to Bring Back Extinct Thylacine
Utahraptor: The Salty Saga of a Killer Dinosaur
Think Dimetrodon Was a Dinosaur? Think Again
Learn More / Page 2
Don't let this fear keep you from using the porcelain throne! Snakes in toilets are extremely rare occurrences.
By Bambi Turner
Many marine and aquatic mammals can survive without breathing by slowing their heart rates and redirecting blood from their extremities to their brains, hearts and muscles.
Called gynandromorphs, half male and half female animals are rare, but they do exist.
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The iconic horses step tall to promote wind power, which creates 100 percent of the electricity used to make Budweiser beer.
By John Donovan
Miraculously, many animals are able to ride out some of Mother Nature's most powerful storms. But how?
By Mark Mancini
Not all animals have red blood flowing through their veins. Meet some our blue-blooded, green-blooded and, yes, transparent-blooded fellow creatures.
By Mark Mancini
Many of us admittedly keep our televisions on when we leave the house — for our dogs. But does Fido really watch the TV?
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Check your chicken's earlobes (yes!) to know what color eggs you'll get.
Animals leave their marks on the ecosystem in ways you probably never imagined.
By Mark Mancini
The common shrew takes some pretty drastic measures to survive winter.
By Robert Lamb
Connecticut new "Desmond's Law" is the first in the nation that appoints legal advocates in animal abuse cases.
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Mummified seals. Skeletal penguins. Massive whale bones. Antarctica is a weird and wonderful place.
What do mammals have in common? We're warm-blooded. We feed their young with milk. And we all take the same amount of time to defecate.
Do non-human animals have equivalent categories to our A, B and O blood designations? Can animals donate blood?
The Beagle Brigade is an important part of U.S. Customs and Border Protection. The dogs are trained to sniff out fruits, foods and plants in international passengers' luggage as they arrive in the airport terminals.
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Whether through biology or behavior, nonhuman animals have to avoid sun damage just like we do.
Pets might have more to do with a child's psychological well-being than previously thought, and moreso than even their brothers and sisters.
No, a tardigrade's not a type of time-traveling police box on "Doctor Who." It's an ancient water bear, of course!
By Oisin Curran
The toughest animal in the world has just released its first sex tape, and as with all things water bear, things get pretty freaky.
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A new tool helps visualize how a changing climate will force animal species to relocate.
There's little we can imagine that Mother Nature hasn't already dreamed up in one of her fouler moods. Care to meet some creatures with frightful features?
There's no way humans will outlive the tardigrade, but we might be able to steal some of its powers while we have the chance.
By Julia Layton
If you think there's one easy explanation behind this cute canine behavior, think again. There are several theories. But a new study has found a sweet reason for head tilting in dogs.
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But how do you diagnose a pet's mental state when it can't talk to you?
By Alia Hoyt
Hate to say it, but some animals have jobs that are far more interesting — and more lucrative — than yours. Who are these lucky dogs?