Climate change may cause sharp drops in Antarctic Adélie penguin populations by the turn of the next century, new research suggests.
An endangered species is defined by the U.S. Fish & Wildlife Service as "an animal or plant species in danger of extinction throughout all or a significant portion of its range." In the United States, these animals can be listed under and protected by the Endangered Species Act. Endangered Species in the United States include the black-footed ferret and the California red-legged frog. The International Union for Conservation of Nature also keeps a Red List of Threatened Species, the most widely recognized list of endangered and threatened species. On this list, for example, are all the surviving subspecies of tiger, which range from endangered to critically endangered.
The second-collaring in six months of a reproductive female snow leopard in Kyrgyzstan suggests the populations are rebounding in the country.
If Facebook is any gauge, pandas are an endless font of cute. But revelations about where pandas live and how they coexist with people are boosting their impact beyond more than the warm and fuzzy.
The Endangered Species Act of 1973 was created to protect animals and plants that were in danger of becoming extinct. More than 2,200 species are listed as endangered or threatened.
A critically endangered frog, whose juices are used in virility shakes, finds a new home in captivity, but will researchers be able to save the species?
A rare Eurasian lynx scared a wolf off from approaching her kittens in the wilds of the Carpathian Mountains.
Humans have made contact with a Sumatran rhino in the Indonesian region of Borneo for the first time in 40 years.
Some fish look odd, but a mysterious, green-eyed fish recently pulled out of Nova Scotia's waters is downright bizarre.
The species that inspired the world's favorite plush toy has been taken off the Endangered Species List, thanks to rebounding habitats.
The 13 bald eagles found dead last last month did not die of natural causes, a new necropsy has revealed.
The story of jaguars in Arizona is one of bloodshed, bad feeling and debate over the best way to conserve these big cats.
El Jefe is the only known jaguar in the United States, but these elusive cats also live in Brazil's Pantanal region. Here's a look at the stoic and beautiful big cats in the wild.
Last year was the worst year on record for unprovoked shark attacks on humans, though the total number of attacks was still miniscule relative to other causes of death.
Giving up on traditional breeding efforts, scientists turn to still-developing reproductive technology to save a vanishing subspecies of rhinoceros.
African lions will be protected by the Endangered Species Act, according to an announcement made Dec. 21, 2015, by the U.S. Fish and Wildlife Service.
One of four northern white rhinoceros left on Earth died yesterday (Nov. 22), leaving only three surviving members of the critically endangered species.
The man-made fires in Borneo have hit orangutans hard, displacing them from their homes and exposing the animals to enough smoke to make them susceptible to respiratory problems.
The laserlike focus on saving the charismatic giant panda has helped many other species in China survive, but more could be done, a new study finds.