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.
Leopard Seals Are Apex Predators of the Antarctic
With Fewer Than 10 Left, Can the Vaquita Be Saved?
Humpback Whales Have Made an Amazing Comeback From Extinction
Baby Bats Babble With Moms, Hinting at Human Language Development
Fruit Bats Are the Best Pollinators (and Suppliers of Tequila)
Brazilian Free-tailed Bats Are Way Faster Than We Thought
Alaska's Kodiak Bear Is One of the Planet's Biggest
What's the Difference Between a Brown Bear and a Black Bear?
How Polar Bears Work
Gray Wolves Will Get Federal Protection Again in Much of U.S.
The Serval Stands Tall and Jumps Like A Champion
Are Dingoes Dangerous (and Did One Really Eat a Baby)?
Dik-dik: The Tiny Antelope With the Embarrassing Name
Are Mules, Burros and Jackasses All Donkeys?
Tapir: The Ancient Fruitarian With the Tiny Trunk
What's It Like Inside a Kangaroo's Pouch?
Do Kangaroos Really Box?
The Smiley Quokka Is an Australian Super Survivor
The Tarsier Is One Weird Primate, and Yes, We're Related
Marmosets Are Tiny, Upper Canopy-dwelling Monkeys
Why Do Gorillas Beat Their Chests?
The Pink Fairy Armadillo Is as Mystifying as Its Name
The Coatimundi Is Cute But Doesn't Make a Good Pet
Great Escapes! 5 Wild Animals Who Busted Out and Went on the Run
Learn More
There are tons of squirrel species around the world. Do they all have the same life span?
Don't freak out with worry if you see a splooting squirrel — he's just cooling off in the best way he knows how.
Hibernating mammals like ground squirrels can build some muscle mass during their big sleep, with the help of gut bacteria.
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Leucistic squirrels are rare, but Brevard, North Carolina has a thriving population.
With a little pig snout and the locomotion of a kangaroo, these tiny desert rodents hardly ever drink water and rarely urinate.
They look a lot like beavers and the two rodents have a lot in common. But muskrats are their own species with their own signature scent.
By Meg Sparwath
Red squirrels have a big attitude, which might have to due with their small size. They have to act big. And they do so with noisy and aggressive behavior.
By Mark Mancini
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These chunky little guys aren't dogs at all. They're actually part of the rodent family, and they're shockingly smart.
By Meg Sparwath
Lemmings don't commit mass suicide as is popularly believed, but they are aggressive and have even been known to charge larger predators.
It's an age-old question. How much wood would a woodchuck chuck? Turns out, none at all. So what would a woodchuck chuck if it couldn't chuck wood?
By Katie Carman
But, squirrels that strongly prefer one hand over the other aren't as good at learning, one study suggests. What does this mean for you and me?
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Beaver attacks get a lot of media attention but are beavers really crazed killers that we should be afraid of? And what good do they really do?
Groundhogs don't actually make great weathermen, but they are pretty cool in every other respect.
Arguably the most charming rodent in the world, the capybara is also the largest.
These adorable little rodents are popular as pets, but they require some special care.
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There doesn't seem to be much of a gray area. Most people are a hard yes or yard no.
By Meg Sparwath
Perhaps it's a mating signal. Or meant to confuse owls and other predators. Or maybe it's just for looks.
By Jamie Allen
The old saw about cats being good catchers of rats was finally put to scientific study — and the results were pretty sad.
It's a natural phenomenon known as a 'squirrel king.' But what's the deal and why do squirrels get tangled up?
By Jamie Allen
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The Indian giant squirrel is covered in flamboyant colors like orange, black and bright purple. But why?
By Jamie Allen
Once you accept squirrels aren't going anywhere, you can apply a more creative approach to keeping the critters away from your prized tomatoes.
By Jamie Allen
Nutria are jumbo-sized rodents that reproduce and eat at a jumbo-sized pace.
Why do squirrels exhibit behavior that can get them killed by cars? And how can you avoid them?
By Jamie Allen
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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.
Fall is in full swing and that means squirrels are busy hoarding nuts for winter. So how do they remember where they buried them? Research suggests they use mnemonic strategies.
By Jamie Allen