Bears

Grizzly 399, along with one of her cubs, in Grand Teton National Park in 2021.

The 'World's Most Famous Grizzly' Was Killed by a Car. Was Her Death Preventable?

Grizzly 399 became a celebrity of Grand Teton National Park in her lifetime. Now, her death has drawn attention to wildlife-vehicle collisions and how they might be reduced

Polar bears are spending more time on land as sea ice shrinks.

Polar Bears Are Exposed to More Parasites, Viruses and Bacteria as the Arctic Heats Up

Pathogens are more common in polar bears living in the Chukchi Sea now than they were three decades ago, a new study suggests—but it's not yet clear what that means for the mammals' health

Grazer (128) is a back-to-back champion of Fat Bear Week—and the first working mother to win the popular online contest.

'Highly Defensive' Mother Bear Grazer Defeats Male That Killed Her Cub to Win Fat Bear Week

For the second year in a row, Grazer bested the massive male named Chunk to take the crown in the single elimination online popularity contest at Katmai National Park and Preserve

480 Otis, a beloved brown bear made popular by the Explore.org bear cams of Alaska’s Katmai National Park and Preserve, hunts for salmon at a popular bear fishing spot known as “the jacuzzi” on July 20, 2014.

The Chonky Superstar of Fat Bear Week Is Missing, and the Competition Won't Be the Same Without Him

While other bears battled over fish in a prime spot, Otis would sit off to the side and wait for the fish to come to him. But so far this year, he hasn’t been spotted in Katmai National Park and Preserve

Reserachers believe Viking children once played with this animal figurine.

Archaeologists in Iceland Can't Agree Which Animal This Mysterious Viking-Era Toy Depicts

The tenth-century stone figurine, alternatively identified as a pig, a bear or a dog, sheds light on the lives of long-ago Norse children

The two Hudson Bay polar bear groups are often considered indicators of how the 17 other polar bear subpopulations will fare in the future.

Time Is Running Out for the Hudson Bay Polar Bears

The southern and western subpopulations are on track to disappear as sea ice becomes too thin amid rising global temperatures

Laboratory testing found live Trichinella larvae in black bear meat that had been frozen for 110 days.

Family Members Infected With Parasitic Worms After Eating Undercooked Bear Meat at Reunion

Six people developed symptoms of roundworm infection after consuming grilled black bear meat and vegetables in July 2022, and all have since recovered

The bone measures roughly four inches long and has 17 markings.

This 130,000-Year-Old Decorative Bear Bone May Be the Oldest Known Neanderthal Art

Researchers say the carved artifact was not a utilitarian item and instead served a symbolic purpose

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

Eastern coyotes—a subspecies that has coyote, wolf and domestic dog DNA—run in a West Virginia forest.

Five Shocking Animal Hybrids That Truly Exist in Nature, From Narlugas to Grolar Bears to Coywolves

The now-famous “virgin” stingray Charlotte is not having hybrid babies, scientists say. But in nature, distinct species sometimes interbreed to produce surprising offspring

Captured mid-hop, the floppy feet of a white hare were indeed good luck for this photographer.

Celebrate Winter in the Wild With 15 Photos of Animals Enjoying the Snow

These chilly but cute creatures will remind you what’s so wonderful about winter

A California grizzly bear specimen at the Santa Barbara Museum of Natural History. The brown bear subspecies went extinct around 1924.

California Grizzlies Weren't as Big—or Bloodthirsty—as People Once Thought

The now-extinct bears were mostly vegetarians and measured about the same size as today's North American grizzlies

A turtle appears to smile as a dragonfly alights on its nose.

See 25 Breathtaking Images From the Wildlife Photographer of the Year Contest

Representing some of the world's best nature photography, the pictures are being put to a popular vote for the People's Choice Award

Monarch butterflies' signature white spots could help them fly—and inspire better drones.

Seven Scientific Discoveries From 2023 That Could Lead to New Inventions

Biologists learned lots about animals and plants this year, and their findings could inspire better robots, medicine and environmental technologies

Paddington, the storybook bear who keeps a marmalade sandwich in his hat, is getting his own musical in 2025.

Paddington Will Take Center Stage in Musical Adaptation

The beloved bear dressed in a blue duffle coat and red hat is set to sing and dance with the Brown family in 2025

Polar bears live in rugged, hard-to-reach places in the Arctic.

DNA Pulled From Paw Prints May Help Researchers Study Elusive Polar Bears

As rising temperatures threaten the Arctic mammals, scientists are turning to new, non-invasive methods to study them

An original Michtom teddy bear once held by two of Teddy Roosevelt’s great-grandchildren, Mark and Anne.

The Teddy Bear Was Once Seen as a Dangerous Influence on Young Children

Inspired by a moment of empathy from President Theodore Roosevelt, the huggable toy had a rocky start before it became the stuff of legend

Grazer, also known as 128 Grazer, stands in a river in September 2023, after bulking up for hibernation.

Meet Grazer, the Winner of Fat Bear Week 2023

A fiercely aggressive mother and a skilled angler, the massive brown bear has been crowned this year's champion in the annual online popularity contest

A mother bear and two cubs in Katmai National Park and Preserve in Alaska.

Before Fat Bear Week, Don’t Forget the Corpulent Cubs Competing in Fat Bear Junior

The offspring of Katmai National Park’s famous brown bears will face off in a bracket all their own

Bears are a fairly common sight near Yellowknife at this time of year, however, they seem to be moving deeper into town during recent wildfires.

Black Bears Move Into Abandoned Canada Town Evacuated Due to Wildfires

Yellowknife, the capital of the Northwest Territories, has been largely empty for the last two weeks amid Canada's worst fire season on record

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