Endangered Species

Ferrets raised in captivity are getting a taste of what it takes to go wild.

Survival Training, Ferret Style

Before the captive animals can go free, they have to hone their killer instinct at a conservation center in Colorado

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Zoo Receives Award for Efforts in Breeding Kori Bustards

Silky sifakas have long eked out an existence in rugged, high-altitude forests. Now the growing number of people nearby pose a threat to the furtive primate.

Saving the Silky Sifaka

In Madagascar, an American researcher races to protect one of the world's rarest mammals, a white lemur known as the silky sifaka

"If we don't do something," says Knowlton, who has earned the nickname Dr. Doom, "we could lose all corals by 2050."

A Coral Reef's Mass Spawning

Understanding how corals reproduce is critical to their survival; Smithsonian's Nancy Knowlton investigates the annual event

In the Ecuador wilderness (guides Nelson, at the helm, and Paa), Charles Bergman sought the roots of the illegal animal trade (a blue-headed parrot chick).

Wildlife Trafficking

A reporter follows the lucrative, illicit and heartrending trade in stolen wild animals deep into Ecuador's rain forest

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Seven Species You'll See Only in Pictures

As ocean water becomes more acidic, corals and shellfish must spend more energy to make their calcium carbonate shells.

A Swim Through the Ocean's Future

Can a remote, geologically weird island in the South Pacific forecast the fate of coral reefs?

It has been reported that by the end of the century, redheads will be extinct.

Requiem for the Redhead

The next great extinction—Carrot Tops

The Cassowary bird at Lahore Zoo.

Invasion of the Cassowaries

Passions run high in an Australian town: Should the endangered birds be feared—or fed?

Condors can soar 150 miles in a day on their giant wings. The birds often fly for hours at a time with hardly a flap of their wings

Condors in a Coal Mine

California's lead bullet ban protects condors and other wildlife, but its biggest beneficiaries may be humans

American Laurie Marker (with Chewbaaka, a cat she raised after it was caught in a trap as a 3-week-old) is the world's expert on cheetahs.

Rare Breed

Can Laurie Marker help the world's fastest mammal outrun its fate?

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Q&A With the Rhino Man

Wildlife biologist Hemanta Mishra's efforts to save the endangered Indian rhinoceros

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Saving the Cheetah

National Zoo scientist Adrienne Crosier discusses how scientists are using artificialinsemination to rescue the species

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UPDATE: State of Emergency

The latest on the endangered mountain gorillas in war-ravaged Congo

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On the Prowl

Rare jaguar sightings have sparked a debate about how to ensure the cats' survival in the American West

A fungus from a group that ravages trees around the world is now infesting New Zealand's ancient, symbolic kauris.

A Pox Upon the Kauri

New Zealanders rally to save their much-loved, 2,000-year-old national symbol

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Turning the Tide

Our oceans are in trouble, says Nancy Knowlton. But it's not too late to do something about it

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Flying North to Fly South

Preparing the critically endangered whooping crane for migration could save the flock

Of the 21 albatross species, 19 are threatened or endangered. The Chatham albatross is critically endangered, with only about 11,000 of the birds remaining.

The Amazing Albatrosses

They fly 50 miles per hour. Go years without touching land. Predict the weather. And they're among the world's most endangered birds

Bald Eagle

Bald Eagle Soars off Endangered Species List

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