A flock of whooping cranes, grounded for nearly a month, can continue its journey south for the winter after getting a one-time exemption Tuesday from a federal agency.
Video shows how the Black Rhino Range Expansion Project helped move black rhinos to a safer, more spacious location.
Forty years ago the Arabian oryx was extinct in the wild.
CNN's Rima Maktabi takes to the dunes of the Dubai desert in search of the fabled and endangered Arabian Oryx.
The U.S. Fish and Wildlife Service has added more populations of the Gopher tortoise to a growing list of species eligible for protection under the Endangered Species Act, but limited resources will prevent the agency from doing more at this time.
The owner of a Philadelphia art store was arrested Tuesday and charged with smuggling and conspiracy for illegally importing and selling African elephant ivory, according to the U.S. attorney for the Eastern District of New York.
The U.S. Fish and Wildlife Service has begun the first steps toward determining whether two species of cave-dwelling bats warrant federal protection under the Endangered Species Act.
The return of wild oryx to the deserts of the Arabian Peninsula is being hailed as a conservation success story.
The number of mountain gorillas, which are a critically endangered species, has increased by more than 26% in regions in eastern Africa, according to a new survey released Friday.
Conservationists plan a bold experiment, reintroducing orphaned, endangered gorillas back into their forest habitat.
CNN's Colleen McEdwards shows us a Russian tiger park helping to save the species.
The setting aside of 187,000 square miles in Alaska as "critical habitat" for polar bears could have an impact on oil and gas drilling, federal and environmental officials said Wednesday.
Anderson Cooper tries to understand what animals think. Can they really communicate or are they parroting for a treat?
An elephant calf runs through a sprinkler, trunk held high with excitement. An orphan sea otter pup cries noisily until keepers join him in the pool for a swim. A tiny tiger cub sneaks up on its mother and pounces, only to be subjected to a thorough licking.
Lake Malawi has more freshwater fish than anywhere else in the world, and park rangers are on the frontline of the battle to save them.
Months after rescuers found them struggling and covered in oil, 33 endangered and threatened young sea turtles are finally going home to the Gulf of Mexico.
Over one-fifth of the world's plant species are threatened with extinction according to a new study compiled by the UK's Royal Botanic Gardens at Kew, London.
A new picture index is helping scientists monitor long-term trends in rare animal species around the world using strategically placed remote cameras.
Florida's Everglades National Park and rain forests in Madagascar have been added to a list of world heritage sites in danger.
It's not just animals and plants that can flourish by protecting biodiversity but the bottom line of businesses, according to a new report.
Long before the brown pelican came to symbolize the tragedy of the Gulf oil spill, the giant bird stood for something much greater: survival against all odds.
The Alaotra Grebe, a small diving bird native to Madagascar has been officially classified extinct, according to a leading bird conservation organization.
Joel Sartore's photograph of gentle Bryn is a permanent record, but she has been lost forever.
A trendy California sushi restaurant charged by federal authorities with serving whale meat offered an apology Monday, saying it "ignored its responsibilities" to endangered species.
When the news came, animal conservationist Susie Ellis was ecstatic. This wasn't just an extraordinary pregnancy, but hope for the survival of a vanishing species.
On the operating table lies a sick koala. He's just been brought in by a driver who found the animal sitting in the middle of a busy road. Veterinarian Claude Lacasse determines the koala has not been hit by a car but she immediately detects one serious problem facing many of the marsupials: Chlamydia, a disease which can lead to a very slow and painful death for koalas living in the wild.
Australia's koala population is in rapid decline following urbanization and disease. CNN's Anna Coren reports.
The world has a new alliance to save vanishing frogs, toads and salamanders.
The Irrawaddy, one of the world's rarest species of freshwater dolphins, have been found in surprisingly large numbers deep in the waterlogged jungles of Bangladesh.
Bird populations native to several areas of the globe are in decline, with some teetering on the brink of extinction, according to a multi-agency report, the first of its kind, released Thursday.
It's a country where tribal divisions and allegiances are deep-seated and has more than 700 native tongues, but with the help of conservation groups local communities and the government of Papua New Guinea have come together to create the country's first national conservation area.
President Obama on Tuesday overturned a last-minute Bush administration regulation that many environmentalists claim weakened the Endangered Species Act.
The Bush administration cleared the way Thursday for federal agencies to skip consultations with government scientists when embarking on projects that could impact endangered wildlife, the interior secretary said.
Researchers have discovered a previously unknown group of rare monkeys in the forests of Vietnam.
Animals and plants in danger of becoming extinct could lose the protection of government experts who make sure that dams, highways and other projects don't pose a threat, under regulations the Bush administration is set to put in place before President-elect Obama can reverse them.
Nearly a fourth of the world's mammals are threatened with extinction, a leading international conservation group said Monday as it unveiled its latest global study of the problem.
Nearly a fourth of the world's mammals are endangered, says an international conservation group IUCN. CNN's Al Goodman reports.
Nearly a fourth of the world's mammals are threatened with extinction, a leading international conservation group said Monday as it unveiled its latest global study of the problem.
How habitat loss and degradation are driving down the numbers of thousands of mammalian species
Conservationists have taken the first detailed look at the world's mammals in more than a decade, and the news isn't good
The U.S. rules against granting the polar bear full endangered status, but the species will be protected.
Polar bears will now be listed as "threatened" under the Endangered Species Act.
The majestic grizzly bear, once king of the Western wilderness but threatened with extinction for a third of a century, has roared back in Montana
Zealous collectors and money-minded peyote smugglers are ravaging Mexico and the Southwest U.S. for cactus plants, threatening some rare and endangered species
Analysis: The White House's proposed overhaul of the Endangered Species Act is its latest end-run around Congress to undo one of the real success stories of the green movement
he Bush administration wants federal agencies to decide for themselves whether highways, dams, mines and other construction projects might harm endangered animals and plants
Conservationists find 125,000 undiscovered western lowland gorillas in Africa, suggesting the species is safe
Out of the seven known species of turtles, how many are officially listed as endangered species by the U.S?
In May 2008, the International Union for Conservation of Nature (IUCN) published its Red List for birds.The latest research shows that one in eight bird species are at risk of extinction. Climate change, the report says, is firmly established as an accelerant to many of the factors contributing to loss in the number of species.
One-third of reef-building coral are threatened, scientists say, making corals the Earth's most endangered species
Doug Buchanan grins with relief when he sees the carcasses. He has just driven up a steep dirt road onto a vast, sunbaked mesa overlooking the Mojave Desert in western Nevada. There, a few feet from the trail, lie the corpses of two steers. A raven perches on one, the only object more than three feet above the ground on this pancake-flat plateau. Cattle, dead or alive, qualify as good news in Buchanan's line of work. If cattle are present, that means grazing is permitted, and that in turn means that this land is most likely not protected habitat for the desert tortoise.
A rare rhino seen on video from a hidden camera in the jungles of Indonesia's Java island charges at the camera.
Once hunted to the brink of extinction, humpback whales have made a dramatic comeback in the North Pacific Ocean over the past four decades, a new study says
(WASHINGTON) -- The Interior Department declared the polar bear a threatened species Wednesday, saying it must be protected because of the decline in Arctic sea ice from global warming.Interior Secretary Dirk Kempthorne cited dramatic declines in sea ice over the last three decades and projections of continued losses. These declines, he told a news conference, mean the polar bear is a species likely to be in danger of extinction in the near future.Kempthorne also said, though, that it would be "inappropriate" to use the protection of the bear to reduce greenhouse gases, or to broadly address climate change.Reflecting views recently expressed by President Bush, Kempthorne said the Endangered Species Act was "never meant to regulate global climate change."He said the decision to list the bear includes administrative actions aimed at limiting the impact of the decision on energy development and other climate related activities."This listing will not stop global climate change or prevent any sea ice from melt
U.S. Fish and Wildlife must decide on the polar bear this month. But does the species really need protection?
Several people discuss the controversy surrounding the delisting of the gray wolf from the Endangered Species list.
The gray wolf was officially removed from the Endangered Species Act's "threatened" list Friday after three decades -- a decision that has stoked controversy among environmentalists and ranchers.
Before students watch Planet in Peril, use these questions to focus their attention on the concepts they will explore in the program:
The wild population of all tigers -- including Bengal, Sumatran, Siberian and Indochinese tigers -- stands at a maximum of 7,000 and a minimum of 5,000, according to figures from the World Wildlife Fund.
The government plans to delay its decision to put the polar bear on the endangered list until after it leases 30 million acres near Alaska for oil and gas drilling. What gives?
Alan Rabinowitz does more for conservation before 9 a.m. than most people do all year. He treks jungles, suffers disease and even deals with brutal juntas to save the animals.
Three conservation groups notified the federal government Wednesday they intend to sue to get polar bears listed as a threatened species due to global warming
A recent census of the world's primate population finds that many of them are in danger of disappearing
How did Georgia's drought become a ''disaster of federal bureaucracy?'' CNN's Josh Levs reports.
Georgia Gov. Sonny Perdue declared a water supply emergency in north Georgia on Saturday as its water resources dwindled to a dangerously low level after months of drought.
The once vanished gray wolf has made a comeback in the Northern Rockies. The fight is over whether to remove them from the Endangered Species list and let hunters have at them
Scientists say the species is probably extinct, the victim of overfishing and environmental degradation on China's crowded waterway
The bald eagle, America's national symbol, is flying high after spending three decades in recovery. On Thursday, the government took the eagle off the Endangered Species Act's "threatened" list.
Ever caught a glimpse of the secretive Iberian lynx? Or heard the croaking bark of a Mediterranean monk seal?
Interior Secretary Dirk Kempthorne says polar bears are no match for global warming. The U.S. Fish and Wildlife service has proposed listing polar bears as "threatened" under the Endangered Species Act, but a decision on the listing isn't expected for a year.
Polar bears may be listed as a threatened species under the Endangered Species Act because of a loss of habitat that jeopardizes their survival, the Interior secretary said Wednesday.
Supreme Court nominee John Roberts serves on the U.S. Court of Appeals for the D.C. Circuit -- an immensely influential circuit court.
More than a fifth of the world's bird species are threatened with extinction, according to an annual survey published on Wednesday.
The tsunami ended so many human lives, the environmental impact has taken second place.
Is the strutting sage grouse, iconic bird of the Western steppe, an endangered species? No doubt about it, say environmentalists, who petitioned for federal protection for the "cock of the prairie," as Lewis and Clark fondly dubbed it.
Steve Morgan has an acre of swampland he'd like to sell you. You'll have to stop by his office, located in a strip mall outside Sacramento next to a store called Wigs R U, and you'd better bring ar...
GREAT MOMENTS IN DRINKING
A connection between the beady-eyed American alligator and the doe-eyed vicuna, the national symbol of Peru, isn't easy to find. Yet the vicuna, a pretty relative of the camel, shares a relationshi...
On the assumption that concerned citizens are beyond hope when it comes to environmental policy, Kindly Dr. Keeping Up herewith offers a guide for those who remain steadfastly unconcerned about the...
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