Rodents

Nearly 40% of mammal species are rodents, and they are found on every continent except Antarctica. Rodents include mice, rats, squirrels, chipmunks and beavers, among others.

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Contrary to Popular Opinion, Cats Are No Good at Catching Rats

The old saw about cats being good catchers of rats was finally put to scientific study — and the results were pretty sad.

What a Tangled Web a Few Squirrels' Tails Can Weave

It's a natural phenomenon known as a 'squirrel king.' But what's the deal and why do squirrels get tangled up?

Don't Hate This Squirrel Because He's Beautiful

The Indian giant squirrel is covered in flamboyant colors like orange, black and bright purple. But why?

It's Gardening Season: 5 Tips to Keep Squirrels Out

Once you accept squirrels aren't going anywhere, you can apply a more creative approach to keeping the critters away from your prized tomatoes.

Nutria: River Rats Only a Mother Could Love

Nutria are jumbo-sized rodents that reproduce and eat at a jumbo-sized pace.

For Naked Mole Rats, Age Doesn't Increase the Risk of Death

Naked mole rats are famous for their longevity, but they also don't age like the rest of us do.

Squirrels Are Hardwired to 'Dance' When a Car's Coming

Why do squirrels exhibit behavior that can get them killed by cars? And how can you avoid them?

New Coconut-eating, Tree-dwelling Giant Rat Species Discovered

The first new rat species found in the Solomon Islands in 80 years has been uncovered. But due to deforestation of its habitat, very few may still exist.

Squirrels Actually Organize Their Nut Hoard — Here's Why

A new study, along with previous research, suggests squirrels use mnemonic strategies to remember where they put the good nuts.

Rats Are Little Geniuses

Despite our best efforts at eradicating them, rats keep outsmarting us. Here's how.

Naked Mole Rats Survive Without Oxygen by Turning Into Plants

Deprived of oxygen, naked mole rats can alter their metabolic functions to something less mammalian and more plantlike, burning fructose instead of glucose.

These Arctic Squirrels Repeat Puberty Every Year of Their Lives

It's like the movie "Groundhog Day" every April, but with hibernation, a smaller rodent and way more hormones.

5 Things You Didn't Know About Squirrels

If you look outside your window right now, you'll probably see one running up a tree or checking you out. How did the squirrel get so commonplace?

Madagascar's Most Famous Species Is Near Extinction

Ring-tailed lemurs — perhaps the most iconic species on the tropical island of Madagascar — are in significant decline due to habitat loss, hunting and illegal capture.

Rats Are Ticklish Just Like Humans, New Study Shows

They're dirty, hairy, mangy-looking creatures — and they giggle and squirm when tickled, just like us.

Goodbye, Melomys: Climate Change Claims Its First Mammal Species

Rising sea levels wiped out the entire population of a rodent species only found on remote Australian island Bramble Cay. Who's next?

To Save the Galapagos Islands, We May Need to Modify Rat DNA

The population-control strategy to rid the islands of the invasive species would use something called "gene driving" and GMO rodents.

Prairie Dogs Savagely Kill Squirrels to Eliminate the Competition

Prairie dogs are cute little vegetarians … who have no problem casually snapping the neck of a ground squirrel. And those that kill have another sexy benefit, too.

'Off Switch' for Appetite Accidentally Discovered in Brain Enzyme

Researchers at Johns Hopkins have stumbled upon a previously unknown type of brain cell that tells mice when to stop eating. Could that work for humans?

Bushy-Tailed Woodrat

Also called packrat, the bushy-tailed woodrat has a habit of stealing shiny objects to add to its den of sticks, bones is and vegetation. In this guide, you'll learn all about the packrat including it's habitat is and conservation status.

Northern Red-Backed Vole

In this guide, you'll learn about the Northern Red-Backed Vole, including information about it's habitat and diet.

Red Squirrel

In this guide to Red squirrels, you'll learn all about the creature's habitat, diet and conservation status.

Black Bear

A solitary, predominantly vegetarian creature, the black bear uses its keen sense of smell to search out fruit, nuts, berries is and roots.

White-Footed Mouse

This common nocturnal mouse is often seen climbing in trees, using its long tail for balance.

Black-Footed Ferret

In this guide to the Black-Footed Ferret, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.


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