Marsupials

It's small. It's cute. It's the happiest animal on Earth. The quokka earned the title of world's happiest animal because of its "smile."

By Yara Simón

If you're trying to keep opossums out of your trash, you may be asking yourself, "What do possums eat?" Unfortunately, the answer is just about everything.

By Yara Simón

Though it's true that joeys poop in their mother's pouch, also known as the marsupium, it's still a pretty cozy place to spend the first few months of life.

By Jesslyn Shields

The boxing kangaroo as a symbol of the Australian fighting spirit dates back to the 1890s, but what's the truth? Do kangaroos actually box?

By Jesslyn Shields

They look so cute and fluffy, but koalas have a fierce side too. Still, their biggest threat to survival is mankind.

By Alia Hoyt

These adorable marsupials look as sweet as their name. But what, exactly, are sugar gliders?

By Jamie Allen

Sure, opossums eat out of your trashcan, but they're also strange little superheroes.

By Jesslyn Shields

Koala populations in Australia are in decline, in part due to the ravages of chlamydia, a sexually transmitted bacterial infection.

By Carrie Tatro

The Patagonian cavy is also called the Patagonian hare, has long legs similar to those of rabbits and hares. You can learn more about the Patagonian cavy at HowStuffWorks.

In this guide to the Goodfellow's Tree Kangaroo, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.

Tasmanian devils are scrappy little marsupials with jaws as strong as tigers'. But a deadly form of cancer is threatening to annihilate the species. Can the devils be saved before it's too late?

By Alia Hoyt & Cristen Conger

Perhaps just as puzzling as the Rubik's Cube (though not as colorful), the purpose of wombat scat's geometrical shape seems mysterious. So what's the scoop on wombat poop?

By Cristen Conger

Marsupials are mammals that commonly bear a pouch such as kangaroos and koalas. Did you know that two thirds of marsupial species are found in Australia? Find out more by viewing this marsupial image gallery.

By Marie Bobel

Million-dollar endorsement deals or a sneaker named the Air Roo aren't in the cards for kangaroos. Since these animals can't play in any Final Four championships, why do they hop?

By Cristen Conger

If you can get past a koala's pungent scent of urine and mating-musk, you might detect a faint hint of cough drops. Why do koalas smell like they'd clear out your sinuses?

By Julia Layton

Wallabies and kangaroos may look alike, but they're not identical marsupials. We'll tell you how to determine which is which.

By Jennifer Horton