Zoology

A species that was previously considered lost, the black-naped pheasant-pigeon, was rediscovered in 2022.

These 'Lost' Bird Species Haven't Been Seen in at Least a Decade—and Scientists Want Help Finding Them

Some of the 126 species on their list haven’t been photographed or recorded in more than century

Keepers say it was love at first sight for Sphen and Magic when they met for the first time in 2018.

Sphen, Australian Penguin of Famous Same-Sex Couple, Dies at Age 11

Sphen and his longtime partner Magic got together at Sea Life Sydney Aquarium in 2018. They successfully hatched two foster chicks and became "international queer icons"

The ocean sunfish (Mola mola) is one of several unusual-looking sea creatures to wash ashore in Oregon so far this summer.

Five-Foot-Long Ocean Sunfish Washes Ashore in Oregon, a 'Relatively Small' Size for Its Species

It's the second sunfish to be found dead on the beach in a small region of northwestern Oregon this summer, following the discovery of an even rarer hoodwinker sunfish

Kayakers, researchers, lifeguards and paddleboarders managed to get the huge fish to shore.

Rare 'Doomsday' Oarfish Surfaces in California, Just the 20th Discovered in the State Since 1901

Kayakers spotted and hauled ashore the 12-foot-long oarfish, a deep-sea species known for its connection to earthquakes in Japanese folklore

Yun Chuan is "serious about his bamboo but mild-mannered toward others," according to the San Diego Zoo.

Two Pandas Arrive at the San Diego Zoo, the First to Enter the U.S. in 21 Years

For months, the only pandas in the country had been in Atlanta. Next, San Francisco and Washington, D.C., are expected to also receive pandas this year

An endangered Przewalski's horse is released into the Altyn Dala "Golden Steppe" in central Kazakhstan.

Endangered Wild Horses Return to Kazakhstan for the First Time in at Least 200 Years

The international effort, led by the Prague Zoo, released seven Przewalski’s horses to their native steppe habitat in central Asia

Elephants at Serengeti National Park in Tanzania, on May 3, 2024. Elephants use low, rumbling vocalizations to call to others and while caring for their young.

African Elephants May Call Each Other by Name

In a new study, a computer model was able to identify the recipient of an elephant's call more than a quarter of the time, which scientists say is significantly greater than chance

Wombats are stocky marsupials that can weigh up to 85 pounds.

Don't Call Wombats Heroes, but Their Burrows Do Provide Food, Water and Shelter for Other Animals

During Australia’s devastating bushfires in 2019 and 2020, misinformation spread about wombats welcoming animals into their underground homes—but a new study finds a kernel of truth in the viral story

The researchers used drone footage and tracking devices to analyze the behavior of 11 orcas in the northern Pacific Ocean.

Between Dives, Orcas Take Only a Single Breath

A new study finds the black-and-white marine mammals tend to make shorter, shallower dives compared to humpback and blue whales, making orcas the "sprinters" of the ocean

African wild dogs might use facial expressions to communicate with each other as they hunt in packs on the savanna.

Wild Dogs Have Muscles for 'Puppy Eyes,' Suggesting the Cute Expression Did Not Evolve Just for Humans

African wild dogs have the same well-developed eye muscles that domestic dogs use to make their signature pleading faces, a recent study finds

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

Elephants use different greetings depending on whether the other animal is looking at them.

How Do Elephants Say Hello? Reunions Lead to Ear Flapping, Rumbling and Trunk Swinging in Greeting

New research explores how African savannah elephants use vocalizations, gestures and secretions when they meet up with companions

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

Hibernating common eastern bumblebee queens survived for a week while submerged underwater in a lab.

Hibernating Bumblebee Queens Can Survive Underwater for Up to a Week, Study Finds

Researchers discovered the insects’ unexpected superpower during an accidental laboratory snafu

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

The babies were born on March 21, just six months after their parents were first introduced.

Adorable but Deadly Fluff Balls, Better Known as Pygmy Slow Lorises, Born at the Smithsonian's National Zoo

The two babies are part of an endangered species whose unbearable cuteness has made them a target for wildlife traffickers

Wide-ranging anecdotal reports and studies suggest many animals respond to a total solar eclipse, whether by showing anxiety, performing nighttime behaviors or doing something unexpected.

How Do Animals React to a Total Solar Eclipse? Scientists Document Strange and Surprising Behaviors

Nature enthusiasts work with researchers to figure out how creatures respond to the celestial phenomenon

Mei Xiang and Tian Tian are two of the giant pandas who lived at the Smithsonian's National Zoo and Conservation Biology Institute in recent years. They were returned to China in November 2023.

More Giant Pandas Are Coming to the U.S. in a New Loan From China

China plans to send a male and a female panda to the San Diego Zoo as early as this summer, and negotiations are underway for pandas' possible return to the National Zoo in Washington, D.C.

In a study of great apes' playful antics, chimpanzees seemed to enjoy slapping adults, especially those that were dozing off.

Great Apes Love to Tease, Poke and Pester, Suggesting the Urge to Annoy Is Millions of Years Old

The desire to get a rise out of others is a 13-million-year-old trait humans and great apes share with a common ancestor, new research suggests

African gray parrots are highly intelligent birds that can learn to closely mimic human voices.

These Parrots Won't Stop Swearing. Will They Learn to Behave—or Corrupt the Entire Flock?

A British zoo hopes the good manners of a larger group will rub off on the eight misbehaving birds

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