Endangered Species
Climate Change Is Killing Africa's Wild Dogs
Higher temperatures reduce hunting activity, as well as the number of pups being born and surviving each year.
Iranian Fisherman Filmed Surfing a Whale Shark
While not illegal, surfing a whale shark is 'inherently dangerous' and harassment toward the docile beasts.
Military Bases Help Protect Rare Butterfly Species
Donald Trump may be cutting funding to the environmental sciences, but one near-endangered butterfly is thriving.
Trained Dolphins to Save Vaquita from Extinction
There are believed to be fewer than 40 of the tiny vaquita porpoises left in the wild.
Mexican President Contacts Dicaprio on Vaquita Porpoise
With around 30 of its species surviving, the vaquita porpoise is the world's rarest marina mammal.
Eastern Black Rhinos Return to Rwanda
Poaching blamed for disappearance of species in Rwanda, where the last confirmed sighting of a black rhino was in 2007.
Japan Set to Reach Bluefin Tuna Fishing Quota Early
Activists say overfishing will have devastating consequences for the species.
How to Decide When Endangered Species Have Recovered?
There is no one definition of 'recovery,' allowing critics to argue the Endangered Species Act isn't working well enough.
How Endangered Species May Fare Under Trump
Environmentalists worry about Trump's impact on Earth's flora and fauna.
Planet Earth II: What killed the Saiga Antelopes?
200,000 antelopes died within days in May 2015.
UK Wildlife Report: One In 10 Species Faces Extinction
Agriculture has made major impact on animals, birds, fish and plants in last 40 years.
Watch: Endangered Sumatran Rhino Gives Birth
The female calf was born at an Indonesian jungle sanctuary.
One-Fifth of All Plants Threatened
But researchers have also found more than 2,000 new species in the last year.
Famed Grizzly's Killing Intensifies Protection Debate
The U.S. Fish and Wildlife Service has proposed taking the bears off the list of threatened animals.
Extremely Rare Bawean Warty Pig Caught on Camera
There are fewer than 400 Bawean warty pigs left alive.
Eradicating Invasive Mammals Helps Native Species
Killing off invaders like rats, cats and feral pigs can lead to the recovery of endangered species living on island archipelagos.
Orangutan Population More Than Double Previous Estimate
Sumatran orangutans remain critically endangered, but their numbers are higher than thought.
Snake Island: Massachusetts Plans Rattlesnake Reserve
The snakes have endured the "greatest modern decline of any native reptile."
Tigers on the Rebound in Thailand
Protection measures have been working for Southeast Asian tigers.
The Environmental Impact of the U.S.-Mexico Border Wall
In the Rio Grande Valley, the barrier erected to keep out illegal immigrants is imperiling rare and endangered animal species.
Britain's Rarest Spider Photographed for First Time
The horrid ground weaver is found in only three locations.
Facial Recognition Could Save the Right Whale
The algorithm will save researchers countless hours spent trawling through photos of right whales.
Facebook Post Leads to Arrests of Rare-Turtle Thieves
The critically endangered Burmese Star Tortoises have been safely reported to a Myanmar sanctuary.
Only 3 Northern White Rhinos Left on Earth
Nola, a 42-year-old female living at the San Diego Zoo, died after ongoing health complications.
Lion Populations Likely to Decline by Half in 20 Years in Much of Africa
The good news: Their populations are growing in four southern African countries.
The Vaquita Might Not Withstand the Rising Chinese Market for Totoaba Bladders
The ranks of the small porpoise are thinning due to illegal fishing practices in the Gulf of California.
First 'Glowing' Sea Turtle Discovered in South Pacific
It's the first biofluorescent reptile found to date.
Sage-Grouse Does Not Need Endangered-Species Protection, Government Says
The decision marks a temporary end to a bitter dispute.
Rare Pink Dolphins in Danger of Extinction in Hong Kong
The dolphins are threatened by habitat loss and ship strikes.
U.S. Zoo Plans to Send Endangered Sumatran Rhino to Indonesia to Mate
The Cincinnati Zoo is just awaiting final approval from U.S. Fish and Wildlife.