Seals

A great white shark known to researchers as "Koala" washed ashore on Cape Cod in Massachusetts earlier this week. Scientists are still trying to figure out why.

A Great White Shark Mysteriously Washed Ashore in Cape Cod, and Researchers Don't Know Why

Authorities have not yet identified the cause of death for the 12.5-foot-long shark, which was named Koala

Two lynx shelter from the wind behind their parent, who looks into the camera.

See 15 Winning Images From the Wildlife Photographer of the Year Contest

Breathtaking shots shine a light on the wonders of wildlife and the threats that human activities pose to the natural world

This rare leucistic green sea turtle was discovered among nests, supported by local conservation efforts, in Papua New Guinea’s Conflict Islands.

See 15 Stunning Images From the Ocean Photographer of the Year Awards

The winning and highly commended underwater photography spotlights breathtaking animal behavior, conservation needs and the otherworldly environment of Earth's oceans

A mother manatee and her calf in Florida's Crystal River amid eelgrass, which is crucial for supporting the large mammals.

See 13 Captivating Images From the Wildlife Photographer of the Year Contest

The highly commended shots provide a preview of the 60th annual competition, which spotlights astounding animal behaviors and the conservation issues they face

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

Why aren't there freshwater seals or dolphins in the Great Lakes?

Why Aren't Dolphins in the Great Lakes? And More Questions From Our Readers

You’ve got questions. We’ve got experts

An elephant seal pup on South Georgia Island

Why Did Seals and Sea Lions Never Commit to a Life Fully at Sea?

While whales moved from living on land to an existence immersed in water, pinnipeds embraced an amphibious lifestyle

A female elephant seal rests with her pup on the California coast. Pups in this population spend more days fattening up on mother’s milk than in southern populations on the Kerguelen Islands.

Inside Elephant Seal Pups' Race to the Depths

While northern pups dive right in, their southern cousins take their time

Male elephant seals can weigh up to 4,400 pounds.

How This Small Nonprofit Helped Save California’s Elephant Seals

Volunteers with Friends of the Elephant Seal educate tourists to prevent conflicts, inspire awe and keep the marine mammals safe

A nesting Hawaiian green sea turtle, or honu in Hawaiian, struggles while trapped in a hole in the sea wall on Tern Island in 2014. This female was rescued, but in 2021 at least seven females died after being trapped on the island.

The Lonely Battle to Save Species on a Tiny Speck in the Pacific

As Tern Island, a former military outpost in the Hawaiian archipelago, falls apart and harms turtles, birds, seals and more, scientists wonder what’s next

Hawaiian monk seal Kaiwi and her pup lie face-to-face in the sand on Kaimana Beach in Honolulu, Hawaii, on April 20.

Newborn Monk Seal Pup and Mother Get 24/7 Police Protection

Wildlife officials closed down a popular Hawaiian beach to protect the pair of endangered mammals

Sleeping northern elephant seals on the beach at Año Nuevo State Park, California.

Elephant Seals Take Extreme Power Naps in the Open Ocean

While foraging on deep dives, the marine mammals sleep for about two hours per day in short, ten-minute bursts

A monk seal in southern Greece. Females tended to give birth on beaches before human hostility drove them into hiding.

The Mediterranean Monk Seal Is Making a Comeback

The endangered sea creature, known for its reclusive nature, has re-emerged out of the shadows

Polar bears are back in Churchill, Manitoba.

Polar Bears Are Gathering in Canada—and You Can Watch Them Live

Bears return to Churchill, Manitoba, every autumn to await the formation of sea ice on the Hudson Bay

Seals in Bar Harbor, Maine

Seal Strandings in Maine Linked to Bird Flu

Four stranded pinnipeds tested positive for the avian influenza H5N1

Researchers say photo recognition could help scientists learn more about how seals move around.

Introducing Facial Recognition Software for Seals

A neural network, trained using thousands of photos of harbor seals, offers a noninvasive way of telling the pinnipeds apart

New research shows how seals use their whiskers to aid them as they hunt. 

Seals Use Their Whiskers to Help Hunt in the Deep Ocean

New video footage shows rhythmic whisker movements that have never been observed before in seals in the wild

Chilean devil rays swim in the Atlantic Ocean near the Azores. 

What Are Scientists Learning About the Deepest Diving Creatures in the Ocean?

Animals-turned-oceanographers are helping biologists find out what they do when they get to the cold, dark depths

Peconic, a 3-month-old gray seal, makes his way back to the ocean.

Baby Seal Found in a Traffic Circle on Long Island Released Back Into the Ocean

The three-month-old gray seal had wandered through streets and parking lots until it was captured by a local nonprofit, rehabilitated and released

Antarctic pearlwort (pictured) , grew and spread five times faster between 2009 and 2018 than growth rates observed between 1960 and 2009  

Warming Temperatures Are Turning Antarctica Green

Native flowering plant species grew faster and more densely in the last decade than in the previous 50 years combined

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