wildlife

Blacktip reef sharks are one of five common species of reef sharks that are disappearing.

Reef Sharks Are Disappearing Around the World

A massive new study found a staggering decline of these top predators, which help balance vulnerable coral reef ecosystems and their food chains

Researchers counted 31 individual wolves during their annual survey from mid-January to early March.

Wolves Are Making a Comeback at Michigan's Isle Royale National Park

Since their reintroduction in 2018, the wolves have rebounded from just two inbred individuals to 31 healthy animals

Thousands of dead fish—most of them Gulf menhaden—washed up on the beaches of Brazoria County in Texas.

Why Thousands of Dead Fish Washed Ashore in Texas

Conditions created a "perfect storm" that robbed the water of dissolved oxygen near the coast

Because moose are largely solitary, it's unlikely a rabies outbreak will occur in Alaska's population, according to officials.

First Rabid Moose Recorded in Alaska Was Stumbling Through a Town

The large mammal likely contracted the virus from a fox, say wildlife officials

Alessandro Biancardi says he caught the biggest catfish he'd ever seen in his 23 years as a professional fisherman.

Fisherman Reels in 'Monster' Nine-Foot Catfish in Italy

The behemoth, found in the Po River, may have set a world record for the longest catch-and-release catfish

A SeaWorld team prepares to release a rescued manatee.

The Race to Save Florida’s Manatees

Researchers are nurturing sick and injured animals back to health while working to protect natural springs and curb seagrass decline

Mountain goats roam the streets of Llandudno, Wales, in March 2020 during the Covid-19 lockdowns.

What Wild Animals Were Really Doing During Covid-19 Lockdowns

Researchers around the world traced mammals' movements and behaviors when fewer humans and cars were outside in spring 2020

Researchers hope that an injection could one day be a faster and safer substitute for surgical cat sterilization.

Scientists Develop New Birth Control for Female Cats—No Surgery Necessary

The one-time injection of a gene therapy could eventually be used to control cat populations

A shark swims near two paddle boarders off California's coast.

Great White Sharks Come Much Closer to Swimmers Than Thought in Southern California

Juvenile white sharks and humans overlap 97 percent of the time in some warm Pacific waters, a new study finds

Three of the 24 parrots that were rescued after being smuggled out of Central America

Found Hatching in a Suitcase, Rescued Parrots Begin New Life

The 24 chicks are growing up at a conservation facility after being seized from a smuggler's carry-on

A close-up of an urchin found on the deep-sea expeditions in the Clarion-Clipperton Zone

These Mysterious Deep-Sea Creatures Live in a Potential Mining Zone

Scientists documented more than 5,500 animal species at the bottom of the Pacific Ocean, but thousands more might remain undiscovered

The wolverine sighting in Yosemite National Park

Rare Wolverine Spotted in California—the Second in 101 Years

The elusive creatures disappeared from the Golden State in 1922

Paleontologists discovered Oda's remarkably intact fossilized skeleton in Svalbard in 2008.

Unraveling the Mysteries of Oda the Ichthyosaur

Paleontologists used X-rays to identify the 240-million-year-old creature's flattened and fossilized remains

After eight months of hibernation, Arctic ground squirrels emerge in the spring hungry and ready to mate.

Climate Change Is a Wake-Up Call for Hibernating Squirrels

As spring arrives sooner, female Arctic ground squirrels are emerging from their burrows earlier, according to a new study

The goal of naming different species is to make sure scientific names are uniform across different fields and research labs.

Why Some Scientists Want to Stop Naming Organisms After People

An international team of researchers wants to stop using eponyms. But the naming authorities won’t budge.

A two-year-old adult female bison named Wyoming Hope gave birth to the 30-pound calf on May 16.

Rare White Bison Born in Wyoming State Park

The 30-pound calf is not albino but gets its pale fur from cattle genes

Brazilian reef octopuses, like other types of cephalopods, defend themselves against predators by inking and extending their mantles. 

Octopuses May Have Vivid Nightmares, Video Suggests

Costello, a male Brazilian reef octopus, had "bizarre" defensive outbursts while sleeping in a lab

The three-foot-long fiberglass mermaid sold for $300 at auction.

Who Wants to Buy the Creepy Dolls and Bowling Balls That Wash Up on Texas Beaches?

Hundreds of eclectic items were auctioned off to help fund the rehabilitation of sea turtles and birds

View of the Skagit River, with the Diablo Dam (completed in 1930) visible

On This Disputed River, Progress May Mean a Return to the Past

Winding through British Columbia and Washington, the Skagit has a history that reflects competing conceptions of advancement

Among the entrants in the punishing race on the Yukon River was a kayaking duo from New Zealand known as the Keen Kiwis.

The World’s Most Grueling Race Journeys 1,000 Miles Down the Yukon

In a test of skill and courage, competitors navigate dangerous river rapids, narrow channels and rummaging bears in the wilds of Alaska and Canada

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