In California, researchers identify a new pack of gray wolves
The new pack consists of at least five wolves that have not previously been seen in the state.
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The new pack consists of at least five wolves that have not previously been seen in the state.
By the mid-1970s, the Mexican wolf was nearly extinct. Now there are about 250 in the wild.
The twin female panda babies born at EVERLAND and their mother, "are in good health," the park tells CBS News.
Twiga was a Masai giraffe, an endangered species whose population has declined by more than half in recent decades.
Due to changing ocean temperatures, hundreds of sea turtles have been washing up almost dead onto New England beaches. Because local aquariums don't have room to nurse them all back to health, the volunteer pilots of Turtles Fly Too have come to the rescue.
The "tiny-but-mighty" monkeys will only grow to be the size of a squirrel, but will play "a big role in the continuation of one of the most endangered primate species."
The high seas treaty, once ratified by individual nations, will govern the use of international waters in a bid to protect ecosystems and head off disputes.
"This is something that might happen once a year if you are lucky," the marine tour company that saw the sperm whale trio said.
The 1-year-old hippo is "trying out everything, every which way" as he makes himself at home at the zoo.
In the last century, only two wolverines were spotted in California.
A litter of six red wolf pups, a highly endangered species of which there are only about two dozen in the wild, was born at the Great Plains Zoo in South Dakota on Thursday.
The birth of the world's rarest fruit bat, a critically endangered Livingstone's fruit bat, was captured on camera at the U.K.'s Jersey Zoo. It was the first time the zoo was able to capture such a moment from the species, which is estimated to have only 1,300 animals remaining in the wild.
There are fewer than an estimated 1,300 members of the "incredibly rare" Livingstone's fruit bat remaining in the wild.
A new report from the World Wildlife Fund identifies hundreds of new species across southeast Asia's Greater Mekong region, but many of those species are already considered endangered.
Rainy conditions contribute to a population boom for the animals, but when food runs out and drought hits, one ecologist says kangaroos end up "lying on the road starving while their joeys are trying to feed."
John Hume is hoping to find "a billionaire that would rather save the population of rhinos from extinction than own a superyacht."
The Frozen Zoo in San Diego is at the forefront of resurrecting DNA to restore animal species in danger of disappearing forever, while Colossal Biosciences in Dallas is exploring methods to clone long-extinct species like the woolly mammoth and dodo bird.
A lion had not been spotted in Sena Oura National Park in nearly two decades, officials said.
An estimated 80 endangered whales are killed by ship strikes every year off the United States' West Coast. A program called Whale Safe hopes to dramatically reduce that number. Ben Tracy reports.
The spotted handfish, an odd-looking fish that appears to walk on hand-like fins, was photographed by Nicholas Remy in Tasmania last year.
The 6-year-old giraffe was a member of an endangered species, known for his "curiosity," and the father of a baby giraffe less than a year old.
Officials believe the endangered bird died after suffering an intentional, fatal wound.
The whale was last seen alive swimming alone off North Carolina's coast without its mother.
The whale was found dead and covered in gashes on Saturday. A necropsy later revealed that the animal was fatally struck by a ship, officials said.
The entanglement has left the young whale with "numerous wounds across her body and whale lice on her head," NOAA said.
Senate Republicans are planning a different approach to try and end the government shutdown on Friday. Follow live updates here.
The FAA ordered airlines to cut thousands of flights starting Friday as the agency deals with air traffic controller shortages during the government shutdown.
U.S. District Judge John McConnell ordered the Trump administration to provide the full food stamp benefits by Friday.
ICE's detainee population is at the highest level on record as President Trump intensifies his crackdown on illegal immigration — and just over half did not have criminal charges or convictions, according to data obtained by CBS News.
The vote comes after a top shareholder, Norway's sovereign wealth fund, said it would vote against the pay package.
The Supreme Court agreed to freeze a lower court order that stopped the State Department from enforcing a new passport policy put into place by President Trump earlier this year.
The Department of Public Safety said officers found Kneeland's vehicle abandoned after a crash, then found his body nearby.
A federal judge issued a preliminary injunction against federal immigration agents' use of force during Operation Midway Blitz, telling lawyers for the Trump administration she found their evidence "simply not credible."
A man who was charged with throwing a sandwich at a federal agent was found not guilty of one count of misdemeanor assault by a jury in Washington, D.C.