Subscribe Now! National Geographic Magazine $15
Visit our Online Shops

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Opossum
Didelphia virginiana

Photo: Opossum peeking around the stump of a tree
An opossum peeking around the stump of a tree
Photograph by Hope Ryden

Opossum Profile

There are more than 60 different species of opossum, which are often called possums. The most notable is the Virginia opossum or common opossum—the only marsupial (pouched mammal) found in the United States and Canada.

A female opossum gives birth to helpless young as tiny as honeybees. Babies immediately crawl into the mother's pouch, where they continue to develop. As they get larger, they will go in and out of the pouch and sometimes ride on the mother's back as she hunts for food. Opossums may give birth to as many as 20 babies in a litter, but fewer than half of them survive. Some never even make it as far as the pouch.

Opossums are scavengers, and they often visit human homes or settlements to raid garbage cans, dumpsters, and other containers. They are attracted to carrion and can often be spotted near roadkill. Opossums also eat grass, nuts, and fruit. They will hunt mice, birds, insects, worms, snakes, and even chickens.

These animals are most famous for "playing possum." When threatened by dogs, foxes, or bobcats, opossums sometimes flop onto their sides and lie on the ground with their eyes closed or staring fixedly into space. They extend their tongues and generally appear to be dead. This ploy may put a predator off its guard and allow the opossum an opportunity to make its escape.

Opossums are excellent tree climbers and spend much of their time aloft. They are aided in this by sharp claws, which dig into bark, and by a long prehensile (gripping) tail that can be used as an extra limb. Opossums nest in tree holes or in dens made by other animals.

These animals are widespread and are sometimes hunted as food, particularly in the southern United States.

Fast Facts

Type: Mammal
Diet: Omnivore
Size: Length from nose to tail, 2.5 ft (76 cm)
Weight: 8.8 to 13.2 lb (4 to 6 kg)
Group name: Passel
Size relative to a 6-ft (2-m) man:
Illustration of the animal's relative size

Multimedia

Opossum Features

Photo: Brushtail possum

Photo of the Day: Hands Up!

See a photo of a surprised-looking brushtail possum in Tasmania, Australia.

Photo: American bison

Historic Journey

Follow in Lewis and Clark's footsteps in this cross-country interactive journey.

Other Marsupials

Map: Locator map for the opossum
 Opossum range

Special Advertising Sections

Photo: Horses and old barn

Enter Sweepstakes

Take a photographic journey through Montana and enter for a chance to win a trip for two!

Photo: Glass of water

Take Quiz

Eighteen percent of the world's population can't get safe drinking water. Test your water knowledge.

Mammals Right Rail

Get the Latest Headlines

Photo: Grizzly bears

Make us your online news source.

Get Animal Pictures

Photo: Lion yawning

Get your daily dose of photos.

Get the Call of the Wild

Image: Mobile phone and lion

Make your phone roar like a lion or howl like a coyote with Nat Geo Mobile.

For Kids!

Photo: A cartoon dog

It's no stretch to find fun facts on our Kids site!

Shop National Geographic DVDs

Whatever your interest, you'll be entertained and educated with our collection of best-selling DVDs.