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Animal Facts

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

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How Animal Detectives Work

The next "CSI" spin-off may not take place at a zoo or wildlife preserve, but there are real-life detectives working to solve cases of the furry, feathered variety.


Tardigrade Mating Finally Caught on Camera, Is Suitably Weird

The toughest animal in the world has just released its first sex tape, and as with all things water bear, things get pretty freaky. See more »

Hypnotic, Interactive Map Predicts Migration as Animals Become Climate Refugees

A new tool helps visualize how a changing climate will force animal species to relocate. See more »

10 Animals That Look Like Monsters

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? See more »

5 Reasons Tardigrades Will Outlast Us All

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. See more »

There Are Multiple Theories for Why Dogs Tilt Their Heads

If you think there's one easy explanation behind this cute canine behavior, think again. See more »

Your Dog or Cat Can Have Depression, Too

But how do you diagnose a pet's mental state when it can't talk to you? See more »

10 Animals With Better Jobs Than You

Hate to say it, but some animals have jobs that are far more interesting — and more lucrative — than yours. Who are these lucky dogs? See more »

Gaze Into the Disappearing Mouth of the Hydra

The Hydra is a fearsome, tiny predator that stings and swallows its prey — through a mouth it had to rip its own skin to create. But how does it do that? See more »

New Study: Fear Alone, Replacing Actual Predators, Can Change Ecosystems

The only thing we have to fear is fear itself, said FDR, but he wasn't a biologist. Scientists examined what impact the fear of apex predators can have on an ecosystem. See more »

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. See more »