Conservation

At least 138 howler monkeys have been found dead in the Mexican state of Tabasco since May 16.

Mexico's Howler Monkeys Are Dying, 'Falling Out of the Trees,' Amid Scorching Heat Wave

Veterinarians and volunteers are trying to save the threatened primates by hoisting buckets of water and food into trees, as well as providing medical care

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

In the late 1960s, Bob Paine described the Pisaster sea star as a “keystone species” in Pacific Northwest tide pools. The concept has since taken on a life of its own.

Has the Term 'Keystone Species' Lost Its Meaning?

More than 50 years after Bob Paine’s experiment with starfish, hundreds of species have been pronounced “keystones” in their ecosystems

A bat clings to the roof of an abandoned cellar—an unlikely but vital habitat type for Europe’s bats.

How a Fantastical Labyrinth Became a Crucial Habitat for Europe’s Bats

After scientists documented the flying mammals in the Piusa Sand Caves, dug by miners a century ago, conservationists strove to protect the vital habitat

More than 1,000 sea lions gathered at San Francisco's Pier 39 last week, marking the largest congregation of the marine mammals at the city's Fisherman's Wharf in about 15 years.

More Than 1,000 Sea Lions Gather at San Francisco's Pier 39, the Largest Group in 15 Years

The pinnipeds came to the area to feed on anchovies and herring as they prepare for breeding season

While penguins have feathers that shield their skin from radiation, their eyes remain unprotected. Increased ultraviolet radiation exposure could also have harmful effects for Antarctic organisms like seals, krill and plankton, per a new paper.

Antarctica's Ozone Hole Is Persisting Later Into the Year, Raising Concerns for Wildlife

As a result of the longer-lasting hole, harmful ultraviolet radiation is reaching Earth during a time when young penguins and seals are more vulnerable, scientists say

A moose moves through the forest.

How Should Colorado Handle Its Booming Moose Population?

Roughly 3,000 animals now roam the state's mountain ranges

160 pilot whales, mainly adult females with several young calves, stranded themsleves in shallow waters on Thursday morning in Western Australia.

Rescuers Save 130 Beached Pilot Whales in Western Australia After Mass Stranding

An additional 29 whales died, officials reported last week, while the reason behind the stranding remains unknown

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

The world's oldest common loons, ABJ and Fe, in July 2020. The pair's 32nd and last hatched chick sits on Fe's back.

Follow the Soap Opera-Worthy Relationship Drama of the World's Oldest Common Loons

Called ABJ and Fe, the duo mated every spring for 25 years—but they split up in 2022. Now, they’re back at their Michigan breeding grounds, showing no signs of getting together

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

Ruben Soto (right), a migrant from Venezuela, sits with Rosa Bello, a Honduran migrant, on top of a freight train known as “The Beast.” Ruben and Rosa met in Mexico and fell in love on their way to the United States.

See 25 Astonishing Images From the World Press Photo Contest

The winning photographs capture moving moments in the midst of tumultuous global events

Visitors left notes, photos and mementos at the base of an oak tree Flaco the Eurasian eagle-owl had favored after escaping from the Central Park Zoo. A memorial for Flaco was held there on March 3.

What Flaco the Owl’s Death Teaches Us About Making Cities Safer for Birds

Ornithologists and conservationists say humans can take key steps to make urban environments less hazardous for our avian friends

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

Sea otters float amid a forest of kelp off California’s Central Coast.

Sea Otters Have Helped Bolster California’s Kelp Forest

A study that looks back more than 100 years shows that where the animals have thrived, underwater forests have, too

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 flowers of the toromiro

How Rapa Nui Lost a Tree, Only to Have It Sprout Up Elsewhere

Before the toromiro disappeared from the island, at least two men grabbed seeds from the last remaining plant and brought them home

Hans Holbein the Younger's 1539 portrait of Anne of Cleves before (left) and after (right) conservation

See the Portrait That Made Henry VIII Fall in Love With Anne of Cleves, Newly Restored to Its Former Glory

The Louvre cleaned and conserved Hans Holbein's 1539 likeness of the Tudor queen, revealing its vibrant colors and previously hidden details

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