Endangered Species

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.

When pandas get to pick a partner they want to mate with, they're more likely to make panda babies.

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.

The Sumatran rhino is now considered extinct in the wild in the Southeast Asian country of Malaysia, according to a new study.

Here are a few of the things researchers learned from the lion and his brethren.

Getting people to pay attention to a huge, global problem is easier when you have an enormous billboard at your disposal.

One of the last five northern white rhinoceroses in the world has died. Three females and one male are left.

The black leopard of the Malaysian Peninsula actually has hidden leopard spots, which can be revealed using infrared cameras.

A company is making synthetic rhino horn in order to flood the market and drop the price, thereby reducing demand, but some conservationists say the approach could backfire.

What's cuter than a baby deer? A baby deer you can hold in the palm of your hand, of course.

Only five northern white rhinoceroses are left on Earth. Can reproductive technology save a subspecies driven to near extinction?

Just five northern white rhinoceroses remain in the wild. And chances of them breeding, without human intervention, to bring numbers back up are slim.