Endangered Species

An ocelot rests on a rock in the Sonoran Desert, Arizona, in 2007. Only seven ocelots, including the one just spotted, have been seen in the state in the last two decades.

Rare Ocelot Caught on Camera in Arizona, the First Sighting in Its Area for 50 Years

Ocelots were federally listed as endangered in 1972, and their current U.S. population is thought to be fewer than 100 individuals

An Australian sea lion captures video while swimming through an invertebrate reef habitat.

Scientists Enlist the Help of Sea Lions to Reveal a Unique View of the Ocean Floor

Australian researchers glued satellite-linked GPS cameras to the animals' backs to capture footage that could be vital to marine conservation efforts

Peregrine falcons can reach speeds of up to 200 miles per hour when they drop from great heights to catch prey.

Yosemite's Peregrine Falcons Are Rebounding Thanks to Unlikely Allies: Rock Climbers

After pesticides decimated the birds' numbers, climbers helped the species regain a foothold in the park

A California condor chick rests in a clear container lined with paper at the L.A. Zoo.

A Record-Breaking 17 California Condor Chicks Hatched at the L.A. Zoo This Year

The successful breeding season offers more hope for the endangered species, which has come back from the brink of extinction due to captive breeding efforts

Project leader Laura Cinti visited the Wood's cycad at Royal Botanic Gardens, Kew, in London.

The 'World's Loneliest Plant' Could Soon Find a Mate With a Little Help From A.I.

The only known wild Wood's cycad was discovered in 1895, and it has since been cloned into many male trees. Now, researchers are scouring a forest in South Africa for an elusive female specimen

Estimated at 5,000 to 7,000 individuals, the koala population is the largest and healthiest in the state of Victoria, and second only in size to that of Kangaroo Island in the whole country.

This Island Is Inhabited by More Koalas Than Humans

Australia’s French Island is home to one of the country’s largest and healthiest koala populations, but it’s not impervious to the species’ struggles

The Mount Rainier white-tailed ptarmigan is one of the few animals that spends its entire life at high elevations.

Meet the Rare, 'Beautiful' Birds That Thrive in Snow and Are at Risk Because of Climate Change

The U.S. Fish and Wildlife Service listed the Mount Rainier white-tailed ptarmigan as threatened under the Endangered Species Act this month

Scientists are getting better at keeping premature baby sharks alive in aquariums—a boon when captive sharks give birth early, or when aquariums receive donations of living shark fetuses taken from mothers that die in fishing nets.

Preemie Sharks Get by With a Little Help From an Artificial Uterus

Scientists manufactured a womb that could potentially help bolster populations of endangered shark species

An endangered Przewalski's horse is released into the Altyn Dala "Golden Steppe" in central Kazakhstan.

Endangered Wild Horses Return to Kazakhstan for the First Time in at Least 200 Years

The international effort, led by the Prague Zoo, released seven Przewalski’s horses to their native steppe habitat in central Asia

The researchers used drone footage and tracking devices to analyze the behavior of 11 orcas in the northern Pacific Ocean.

Between Dives, Orcas Take Only a Single Breath

A new study finds the black-and-white marine mammals tend to make shorter, shallower dives compared to humpback and blue whales, making orcas the "sprinters" of the ocean

A male western snowy plover stands guard over his nest. During breeding season, males tend to the chicks while females seek a new mate. 

How Scientists Are Protecting Plovers’ Beachfront Lifestyle

Camouflaged by the sand, these threatened shorebirds aim to hide from predators. Now conservationists are trying to give their breeding efforts a boost

Ocelots have been listed as federally endangered in the U.S. since 1972.

Endangered Ocelots May Be Expanding Their Range in Texas

DNA testing of an ocelot killed in 2021 raises the possibility that the creatures may be roaming outside their established South Texas territory, which is currently their only stronghold in the country

Antonia, one of the new black-footed ferret clones. The first black-footed ferret clone was born in 2020. The two new ferrets are the second and third successful clones.

Scientists Clone Two Black-Footed Ferrets From Frozen Tissues in Conservation Effort

The aim of cloning the animals is to increase the genetic diversity of the endangered species

Captured at the zoo's in-house Paul Harter Veterinary Medical Center, the CT scan reassured veterinarians that the chick was doing just fine.

Peek Inside a California Condor Egg Just Before It Hatched, With This CT Scan of the Baby Bird

Last month, the San Diego Zoo Wildlife Alliance welcomed its 250th California condor chick in its breeding program, and the CT scan helped determine the bird was well-positioned for hatching

Gray wolves are typically much larger than coyotes.

A Michigan Hunter Thought He Killed a Large Coyote. It Turned Out to Be an Endangered Gray Wolf

Wildlife officials believe the animal was likely the first gray wolf spotted in the southern Lower Peninsula in 100 years

The babies were born on March 21, just six months after their parents were first introduced.

Adorable but Deadly Fluff Balls, Better Known as Pygmy Slow Lorises, Born at the Smithsonian's National Zoo

The two babies are part of an endangered species whose unbearable cuteness has made them a target for wildlife traffickers

Wildlife biologists are trying to figure out what's killing smalltooth sawfish and other species in Florida.

Florida Fish Are Mysteriously Dying After 'Spinning and Whirling,' and Scientists Can't Explain It

The abnormal behavior has raised special concerns about the endangered smalltooth sawfish, an odd-looking ray with chainsaw-like teeth, as 28 of them have died

A straw-headed bulbul 

How Singapore Became an Unexpected Stronghold for a Critically Endangered Bird

Despite being the smallest country in Southeast Asia, the city-state is now home to the largest population of the straw-headed bulbul

Sun bears are named for a gold crescent on their chest, resembling a rising or setting sun. Each bear’s patch is unique, like a fingerprint.

To Save Sun Bears, Scientists First Have to Find Them

The world's smallest bear plays a crucial role in repairing its tropical habitat in Southeast Asia

The gray whale was spotted during an aerial survey on March 1, about 30 miles off the coast of Nantucket.

A Rare Gray Whale, Believed Extinct in the Atlantic for 200 Years, Has Been Spotted off New England

Scientists say a lack of Arctic sea ice due to climate change could have created a passageway for the mammal to travel from the Pacific Ocean

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