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The gray wolf population in Wyoming has grown enough to be removed from the endangered species list and will stop receiving federal protection next month, the U.S. Fish and Wildlife Service announced Friday.

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Lemurs found to be 'most threatened mammals' in the worldupdated: Fri Jul 13 2012 17:50:00

Well-known among youth as the ring-tailed critters singing "I like to move it, move it" in DreamWorks' "Madagascar" or the white-and-brown puppet host of the PBS show "Zoboomafoo," lemurs are a fan favorite.

Thousands show up for panda cubsupdated: Wed Jul 11 2012 06:10:00

Fans greet 12 giant panda cubs born in 2011 at the Chengdu Giant Panda Breeding and Research Center in China.

Japan's rare baby panda dies week after birthupdated: Wed Jul 11 2012 06:10:00

The first giant panda to be born in Japan in 24 years has died just one week after generating huge excitement in the country as locals celebrated the rare birth.

Lonesome George, last of the Pinta Island tortoises, diesupdated: Mon Jun 25 2012 08:55:00

Lonesome George, the last surviving Pinta Island giant tortoise, has died at his home in the Galapagos Islands. Scientists believe he was more than 100 years old.

Conservationists in a flutter: How saving rare butterflies can generate profitsupdated: Wed Apr 25 2012 09:35:00

One of the UK's most critically endangered butterflies is making a comeback thanks to a profit making partnership between private landowners and conservation organizations.

Save the whales? There's an app for thatupdated: Mon Apr 23 2012 07:49:00

A new iPhone app is making waves in the commercial shipping world by providing an early warning system that aims to reduce maritime collisions with endangered whales.

Tracking Rwanda's mountain gorillasupdated: Wed Apr 18 2012 23:20:00

Take a journey of discovery to north western Rwanda in search of the majestic mountain gorilla.

Orangutans stressed by eco-touristsupdated: Sun Mar 25 2012 23:44:00

Gorillas put off their food and stressed out orangutans, could nature tourism be bad for wild animals' health?

Ribbit! Frog species found in New York City has a croak of its ownupdated: Sun Mar 18 2012 17:40:00

Amid the skyscrapers, sidewalks and subways of New York City, scientists have discovered a new species of frog within view of the Statue of Liberty. In fact, the researchers who discovered the frog say the center of its range is Yankee Stadium in the Bronx.

Gabon's Leatherback Turtlesupdated: Wed Mar 07 2012 06:22:00

Inside Africa heads to the coast of Gabon in central Africa, in search of the endangered leatherback turtle.

Florida group rebuilds vital coral reefsupdated: Thu Mar 01 2012 21:42:00

It was more than 40 years ago, but Ken Nedimyer still remembers the first time he went diving in the Florida Keys.

CNN Hero: Ken Nedimyerupdated: Thu Mar 01 2012 21:42:00

Ken Nedimyer and his nonprofit are working to restore endangered coral reefs in the Florida Keys.

Australia delays decision on koala listingupdated: Thu Feb 16 2012 03:16:00

The Australian government has angered koala conservationists by again delaying a decision on whether to add the national icon to the country's endangered species list.

Reward offered in deaths of sea lionsupdated: Tue Jan 31 2012 17:21:00

The environmental group Sea Shepherd has offered a $10,000 reward for information that leads to the conviction of those responsible for shooting at least seven sea lions in Washington's Puget Sound.

Gorillas filmed up close in the wildupdated: Tue Jan 24 2012 11:20:00

CNN films gorillas up close in Rwanda - one of three countries where mountain gorillas can be observed in the wild.

U.S. closes door to four snake speciesupdated: Tue Jan 17 2012 17:00:00

U.S. Interior Department announces it is banning the importation of four snake species. CNN's John Zarrella reports.

U.S. bans imports of 4 exotic snake speciesupdated: Tue Jan 17 2012 17:00:00

The United States is banning the importation of four species of snakes and their eggs, the Interior Department announced Tuesday.

Whales, sharks threatened by stricken cruise liner, says green groupupdated: Tue Jan 17 2012 03:32:00

Environmental campaign group Greenpeace has warned that if oil leaks from the stricken cruise liner Costa Concordia it could cause an environmental disaster, threatening marine life including birds, whales and sharks.

Japan to hand over detained whaling activists to Australiaupdated: Tue Jan 10 2012 06:45:00

Japan said Tuesday that it would hand over to Australian authorities three Australian anti-whaling activists being held aboard a Japanese vessel, but that it would press on with its annual whale hunt in the seas near Antarctica.

Japan holds 3 Australian anti-whaling activists who boarded shipupdated: Mon Jan 09 2012 06:12:00

Three Australian activists are being held aboard a Japanese ship Monday after illegally boarding the vessel to protest Japan's annual whale hunt in Antarctic waters.

Belugas trapped in icy Arctic waters at risk of deathupdated: Thu Dec 22 2011 12:37:00

Prisoners in ice, more than 100 Beluga whales in far eastern Russia risk death unless rescued soon.

Using vacation photos to save the whalesupdated: Sat Oct 22 2011 09:05:00

Onetime nursery school teacher Gale McCullough explains how the photo site Flickr helps her global whale research.

How Flickr can help save the whalesupdated: Sat Oct 22 2011 09:05:00

Want to help save the humpback whale? Pick up a camera and start taking pictures, says Gale McCullough, a "fluke matcher" at Allied Whale, a research group.

CNN's Going Green: 'Your Green World' updated: Thu Oct 06 2011 13:08:00

The third installment of our Going Green series looks at cutting-edge ideas from around the globe.

Philippe Cousteau with sea turtles: Part 2updated: Thu Oct 06 2011 13:08:00

Environmentalist Philippe Cousteau takes a look at a baby sea turtle on Cape Island, South Carolina.

U.S. beefs up conservation efforts for endangered sea turtlesupdated: Sun Sep 18 2011 20:04:00

The government has revised its rules on sea turtles to try to decrease the number killed every year and reduce the threats they face. 5 Things to Know About the Capybara, the World's Largest Rodentupdated: Fri Aug 19 2011 10:33:00

Mysterious sightings in California have sparked a renewed interest in the "master of the grasses"

Battling the bushmeat tradeupdated: Wed Aug 17 2011 06:47:00

CNN's Nkepile Mabuse travels through the rainforests of Cameroon, to look at the growing and illegal commercial trade of bushmeat.

U.S. Navy trains dolphins for warupdated: Wed Aug 03 2011 11:35:00

CNN's Kaj Larsen sees firsthand how the Navy trains dolphins. For more, watch CNN Presents Sunday, July 31, 8p ET/PT.

Wildlife service lists Gopher tortoise as candidate for protectionupdated: Tue Jul 26 2011 18:02:00

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.

Wildlife officials kill bear that bit teenupdated: Sat Jul 16 2011 00:58:00

Wildlife officials in Colorado say they have killed a bear believed to have been involved in an attack on a teenage boy Friday morning.

Insect trappers profit from Uganda's taste for grasshoppersupdated: Tue Jul 05 2011 11:25:00

In Uganda, where grasshoppers are regarded as a delicious seasonal snack, the appetite for the crispy critters has created a booming informal trade that has turned some trappers into wealthy men.

History of the hot pink flamingoupdated: Mon Jul 04 2011 10:27:00

With the season of backyard barbecues upon us, we thought you could use a history lesson on everyone's favorite lawn ornament. From the plastic bird's birth to its modern perch atop the pyramid of campy Americana, here's the quick-and-dirty on the hot pink queen of kitsch.

Lost emperor penguin found full of sand in New Zealand recoveringupdated: Mon Jun 27 2011 10:00:00

An emperor penguin discovered thousands of kilometers away from Antarctica with a bellyful of sand is recovering after an endoscopy Monday, a New Zealand zoo official said.

'Happy Feet' recovering from surgeryupdated: Mon Jun 27 2011 10:00:00

The emperor penguin that made its way to New Zealand survived a surgery to remove twigs, stones and sand from its belly.

New Zealand zoo: Lost penguin with stomach full of sand might recoverupdated: Sun Jun 26 2011 08:44:00

A young emperor penguin discovered thousands of kilometers away from its home might survive ingesting a bellyful of sand, New Zealand zoo officials said.

World's most scenic cruisesupdated: Wed Jun 22 2011 09:20:00

No matter how many times he steers the 450-passenger Seabourn Sojourn through Norway's Lofoten Islands, captain Hamish Elliott eagerly anticipates his favorite point: the entrance to Trollfjord, a fairytale-like landscape with towering cliffs on either side.

Review: 'Mr. Popper's Penguins'updated: Thu Jun 16 2011 17:44:00

No comedian of the past two decades has stretched himself -- and I don't just mean his face -- as much as Jim Carrey. Yet recently, it feels as if the karmic entertainment forces have been stretching him back to earlier days.

Injured turtle gets some helpupdated: Sat Jun 11 2011 08:11:00

Turtle researchers help dig a nesting hole for a leatherback turtle, after sharks bit off most of her rear flippers.

India's human-tiger conflictupdated: Mon Jun 06 2011 03:59:00

Increase of tiger population and human sprawl has created human-tiger conflict. CNN's Mallika Kapur reports.

Pilot whales stranded in shallow Florida waters; at least 13 deadupdated: Fri May 06 2011 17:18:00

Rescuers worked feverishly Friday to save some of the pilot whales who stranded themselves in shallow waters near the Florida Keys.

Pilot whales beach themselvesupdated: Fri May 06 2011 17:18:00

Volunteers work through the night to save beached pilot whales. WSVN reports

Armadillos linked to leprosy in humansupdated: Thu Apr 28 2011 12:07:00

Several years ago, an 81-year-old woman with a raised patch of dry skin on her arm visited Mississippi dermatologist John Abide, M.D.

Scientists unsure why dolphins washing up deadupdated: Fri Apr 08 2011 01:56:00

Dead baby bottlenose dolphins are continuing to wash up in record numbers on the shores of the Gulf of Mexico, and scientists do not know why.

Penguin rescue operation under way after south Atlantic oil spillupdated: Sun Apr 03 2011 18:30:00

On an island chain located halfway between Africa and Argentina, local authorities say a massive penguin rescue operation is under way.

Huge penguin rescue operation under wayupdated: Sun Apr 03 2011 18:30:00

Rescuers try saving tens of thousands of Northern Rockhopper penguins after an oil spill in the south Atlantic.

Four ways to have a whale of a timeupdated: Wed Mar 30 2011 10:08:00

They are the largest animals on the planet and spend around 90% of their lives underwater, surfacing to breathe for only fleeting moments.

Report: 75% of coral reefs threatenedupdated: Wed Mar 23 2011 10:16:00

Human activity and climate change have left about 75% of the world's coral reefs threatened, putting the livelihoods of many countries that depend on the ocean ecosystems at risk, according to a report released this week.

(HFR for Earth Day) Midway's Albatrosses survive the tsunamiupdated: Wed Mar 23 2011 09:55:00

The famed albatrosses of Midway Atoll took a beating from the tsunami, but their population will survive, say biologists on the islands.

Tuchman: Tsunami debris impenetrableupdated: Sun Mar 20 2011 11:21:00

CNN's Gary Tuchman describes the scene in Kesennuma, Japan, more than a week after the quake and tsunami.

Tsunami washes away feathered victims west of Hawaiiupdated: Sun Mar 20 2011 11:21:00

The massive waves that churned across the Pacific after the Japan earthquake last week swept away nests protecting seabird chicks unable to fly, leaving scores dead west of Hawaii.

Planet of the walking apes?updated: Thu Mar 10 2011 05:51:00

American Morning spotlights a 21-year-old silverback gorilla who has started walking like a human.

How the human penis lost its spinesupdated: Thu Mar 10 2011 05:51:00

You've read the headline, and it probably made you giggle. Go ahead. Get it out of your system. Then take a deep breath and consider how evolution affected a few specific body parts, and why.

Nearly killed in oil spill, dolphin now thrivingupdated: Wed Feb 09 2011 13:54:00

Five months after the Deepwater Horizon explosion unleashed a torrent of oil into the Gulf of Mexico, a male dolphin washed up on Louisiana's Gulf Coast just barely alive.

Satellite collar helps ecologists track endangered tigerupdated: Thu Jan 27 2011 02:09:00

Sitting at his office in Kathmandu, Maheswar Dhakal, a government ecologist, can tell exactly where in a jungle about 600 kilometres away, at what altitude and what temperature Namobuddha, a two and a half year old tiger, is at a given moment. Katie Holmes & Suri Cruise's Fun, Fishy Aquarium Visitupdated: Wed Jan 26 2011 07:48:00

The mom-and-daughter pair have a VIP visit with dolphins, jellyfish and Beluga whales in Vancouver

Floods threaten Great Barrier Reef, La Niña to blameupdated: Wed Jan 12 2011 07:23:00

Floods have devastated the landscape of the state of Queensland, Australia, but they also present a high risk to the Great Barrier Reef.

Researchers: African elephants are two speciesupdated: Wed Dec 22 2010 06:00:00

Scientists have discovered a new species of elephant, and it's been right under their noses the whole time.

European cheetahs spearhead drive back into wildupdated: Fri Dec 10 2010 05:41:00

Two European-bred cheetahs are set to take part in a pioneering program to release their young back into the wild in an attempt boost their declining numbers.

Oceans failing the acid test, U.N. saysupdated: Thu Dec 02 2010 14:34:00

The chemistry of the world's oceans is changing at a rate not seen for 65 million years, with far-reaching implications for marine biodiversity and food security, according to a new United Nations study released Thursday.

Saving the tigersupdated: Thu Nov 25 2010 14:40:00

CNN's Colleen McEdwards shows us a Russian tiger park helping to save the species. Leonardo DiCaprio Finally Makes It to Russia, Donates $1 Millionupdated: Wed Nov 24 2010 08:48:00

DiCaprio was en route to the Tiger Summit when an engine blew and he emergency landed back in N.Y.

13 nations meet to try to save wild tigersupdated: Mon Nov 22 2010 05:38:00

In 2010, the Year of the Tiger, about 3,600 of the majestic predators remain in the wild, their existence threatened by habitat-loss and poaching.

Africanized bees blamed in death of Georgia manupdated: Fri Oct 22 2010 10:43:00

Africanized honey bees have been confirmed in Georgia and are responsible for the death of a 73-year-old man, the state's agricultural commissioner said Thursday.

U.S. urged to regulate 'backyard tigers'updated: Thu Oct 21 2010 17:10:00

Rising numbers of captive tigers in the United States are putting citizens at risk and could be fueling illegal trade in animal parts, which threatens their survival in the wild, conservationists have warned.

New benchmark for endangered condorupdated: Thu Oct 07 2010 03:00:00

Biologists in California are celebrating a benchmark in the recovery of an iconic North American bird.

'Crittercams' yield eye-opening rides with animals in the wildupdated: Tue Oct 05 2010 08:06:00

For most divers, a shark in the water can inspire fear, or even dread. Greg Marshall wanted to hitch a ride.

Biggest sealife survey: Most ocean life is unknownupdated: Tue Oct 05 2010 06:58:00

The planet's seas and oceans are richer and more diverse than scientists suspected, the biggest survey of marine life has revealed -- but many mysteries remain.

That's a penguin of a different colorupdated: Thu Sep 30 2010 22:55:00

Penguins didn't always come in black and white, paleontologists said Thursday, citing the discovery of a 36-million-year-old fossil of a bird that, in its day, waddled nearly 5 feet tall.

Australian officials on hunt for whale riderupdated: Mon Sep 27 2010 05:55:00

Word that a teenager climbed aboard a whale for a ride has sent Australian officials to the beach, to warn others not to try such a stunt.

Arctic species under threat, report warnsupdated: Tue Sep 14 2010 14:41:00

Polar bears clinging to melting ice sheets have become one of the most frequently used images to portray the perils of climate change.

Staying up all night to save sea turtlesupdated: Fri Aug 27 2010 15:10:00

A lifelong nature lover, Oscar Aranda studied biology in college and knew he wanted to work somehow with animals at sea.

CNN Hero: Oscar Arandaupdated: Fri Aug 27 2010 15:10:00

Oscar Aranda patrols the beaches of Puerto Vallarta, Mexico, to protect endangered sea turtles and preserve their eggs.

Dozens of whales die after 58 are stranded on New Zealand beachupdated: Fri Aug 20 2010 10:35:00

A beachgoer in a remote area of northern New Zealand found a horrific sight Friday morning -- 58 pilot whales stranded on Karikari Beach.

Bees swarm sheriff's carupdated: Wed Aug 18 2010 05:25:00

A North Carolina sheriff's deputy found himself in a standoff with a huge swarm of bees that covered his police cruiser.

Bees trap deputy inside car for 3 hoursupdated: Wed Aug 18 2010 05:25:00

Tuesday was anything but a routine day for Deputy Brandon Jenkins, who spent three hours in his patrol car after nearly 50,000 honeybees decided to park on it.

Japanese giant salamanders are in a fishbowl of sorts, for researchupdated: Thu Jul 22 2010 18:35:00

The Japanese giant salamander may hold the key to solving an extinction threat in the amphibian community, and researchers at the National Zoo in Washington are hoping a gift of five of the creatures from Japan will help them find out for certain.

Penguins stranded on Rio beachupdated: Thu Jul 22 2010 11:20:00

Brazilian authorities are rescuing stranded penguins on the beaches of Rio de Janeiro. CNN's Rafael Romo reports.

Hundreds of penguins wash up on Brazilian coastupdated: Thu Jul 22 2010 11:20:00

Biologists suspect that unusually cold waters off the coast of Brazil were responsible for the deaths of more than 550 penguins that washed up on shore in the past 10 days.

Learning from Madagascar's lemursupdated: Thu Jul 22 2010 08:54:00

Scientist Hanta Rasamimanana takes CNN into the Madagascan jungle to observe lemurs in their natural habitat.

Cold temperatures cause death, damage in South Americaupdated: Tue Jul 20 2010 13:59:00

An intense cold front in southern Latin America continues to blanket the region, causing deaths, school and highway closures, and other woes.

Plight of the sea turtlesupdated: Mon Jul 12 2010 16:31:00

CNN's Brooke Baldwin reports on the plight of the sea turtles in the Gulf.

'Sea monster' fossil found in Peru desertupdated: Thu Jul 01 2010 13:47:00

Researchers scanning the Peruvian desert for whale fossils have stumbled upon the remains of a "sea monster" three times the size of a modern day killer whale.

IWC's shame: Japan's whale slaughterupdated: Fri Jun 25 2010 11:33:00

After just two days of closed-door negotiations, the leaders who had gathered at the International Whaling Commission in Agadir, Morocco, announced no agreement was reached on the IWC chair's proposal to improve whale conservation.

Saving the Gulf manateesupdated: Fri Jun 18 2010 17:50:00

The oil disaster in the Gulf of Mexico could trigger a massive manatee rescue. CNN's David Mattingly reports.

Oil spill could trigger massive rescue effort of Florida's manateesupdated: Fri Jun 18 2010 17:50:00

With the utmost care and a healthy dose of respect, Monica Ross brought the pontoon boat to a crawl, shut its engine down, and asked for quiet. She was careful not to disturb the small antenna, which floated on the surface of the Crystal River marking the location of Coral, an 800 pound manatee.

Brown pelican long a symbol of survivalupdated: Wed Jun 16 2010 08:03:00

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.

Many studies great news for mice, not so much for humansupdated: Tue Jun 08 2010 08:18:00

Potential cancer vaccine! Possible anxiety treatment! Scientific studies looking at potential therapies for physical and mental illness often sound exciting -- that is, until you read further and realize they're in mice.

Swimming with 'gentle giants'updated: Mon Jun 07 2010 00:05:00

From pests to attractions, whale shark tourism has revived the fortunes of a Philippine village.

Swimming with sharks saves livesupdated: Mon Jun 07 2010 00:05:00

"Welcome to Donsol, the home of the gentle giants," Alan Amanse says smiling broadly at us as we awkwardly scramble onto the traditional fishing boat. Pierce Brosnan Takes President Obama to Task on Whaling Issueupdated: Sat Jun 05 2010 09:47:00

The actor films a PSA asking Obama to help save the whales

Gulf birds drenched in oilupdated: Fri Jun 04 2010 07:21:00

CNN's Gary Tuchman reports on how birds and other sea life drenched in oil are being cared for.

We are all Gulf victims nowupdated: Fri Jun 04 2010 07:21:00

In some ways, a catastrophe of this magnitude could not have happened in a worse place. Or at a worse time of year.

Small mammals at risk as world warmsupdated: Tue May 25 2010 22:52:00

The biodiversity of small mammals in North America may already be close to a "tipping point" causing impacts "up and down the food chain" according to a new study by U.S. scientists.

Oil spill threatens world's largest artificial reefupdated: Sat May 08 2010 13:57:00

As the "H2O Below" charter boat leaves the dock and heads into Pensacola Bay, it is chock full of divers.

Painted elephants on parade in Londonupdated: Thu May 06 2010 09:21:00

Two hundred and sixty brightly painted life-sized fiberglass elephants have appeared across London.

Don't feed the baboonsupdated: Mon Apr 26 2010 10:45:00

A remote village in South Africa is ready to put an end to the battle between humans and baboons.

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