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National Zoo and Conservation Biology Institute

After being declared extinct in the wild in the 1960s, Przewalski's horses are slowly making a comeback.

‘Playful Youngster’: See the Rare, Endangered Przewalski’s Horse Born at the Bronx Zoo

The foal was born on April 21 and is now romping around with the rest of the herd in the zoo’s seasonal Wild Asia Monorail exhibit. It belongs to a species whose members are often considered the last truly wild horses

A sihek, or Guam kingfisher, chick born at the Smithsonian's National Zoo and Conservation Biology Institute

Four Rare Guam Kingfisher Chicks Hatch at Virginia Facility, Making an ‘Incredibly Valuable’ Addition to the Small Population of Extinct-in-the-Wild Birds

The species, also known as the sihek, was wiped out from its native Guam and kept alive in captivity. Conservationists released some birds on Palmyra Atoll in 2024, and they have been thriving so far

Human development—such as roads—affects wildlife. But so does the presence of people.

The Mere Presence of Humans—Not Just Our Changes to the Land—Can Alter Wild Animals’ Behaviors, a New Study Suggests

Researchers examined GPS tracking data from thousands of animals representing 37 species and anonymized cellphone location data from 2020, a year of Covid-19 lockdowns, and the previous year

Elephant calf Linh Mai stomps in a shallow pool in the Elephant Community Center at the Smithsonian’s National Zoo and Conservation Biology Institute on February 25.

See the Most Adorable Photos of Baby Elephant Linh Mai, the National Zoo’s Newest Star

Since her birth in early February, the calf has been growing and beginning to bond with her care team and herd. She will go on view in-person and online starting April 22

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Why Do So Few Mammals Go Through Menopause? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Panamanian golden frog in nature

Panamanian Golden Frogs Disappeared From the Wild Due to a Deadly Fungus. Now, Scientists Are Returning Them to Nature

Smithsonian researchers in Panama have begun to reintroduce native golden frogs to the wild in special enclosures

An elephant has about 1,000 whiskers on its trunk.

An Elephant’s Trunk Is Covered in Whiskers—and They’re Unlike Those on Any Other Animal, a New Study Suggests

Hundreds of the specialized hairs help the poor-sighted creatures navigate the world

The female calf was born on February 2 at 1:15 A.M. Eastern Standard Time.

An Asian Elephant Was Born at the Smithsonian’s National Zoo for the First Time in Almost 25 Years. Now, You Can Help Pick Her Name

The calf was born to 12-year-old Nhi Linh, a first-time mother, and 44-year-old Spike. The pair bred as part of a program working to conserve the endangered species

Naked mole-rats are unusual for their long lives and resistance to cancer. Now, researchers suggest the rodents not only tolerate but prefer to be in low-oxygen air.

Naked Mole-Rats Prefer Low-Oxygen Air That Would Kill Most Mammals, Adding to Their List of Death-Defying Superpowers

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their remarkable ability to survive these conditions could offer a key model for researchers studying new treatments for stroke or lung diseases in humans

The two cubs in their indoor den 

Meet the National Zoo’s Adorable 1-Month-Old Sloth Bear Cubs—the First Born There in More Than a Decade

The cubs will spend the next few months with their mother before debuting to the public

Bao Li (pictured on January 4, 2025) and Qing Bao, who are both 4 years old, are still considered teenagers in panda years.

Pandamonium

See 14 of the National Zoo’s Most Adorable Giant Panda Photos From 2025

These snapshots of Bao Li and Qing Bao capture the pair’s cutest moments, from playing in the snow to celebrating their 4th birthdays

Asian elephant Nhi Linh, who stands in the foreground, is pregnant. Behind her is Spike, who sired the calf.

This ‘Feisty’ Asian Elephant at the National Zoo Is Pregnant. She May Birth the First Calf Born There in Nearly 25 Years

With fewer than 50,000 Asian elephants estimated to be remaining in the wild, the Smithsonian’s announcement gives hope to those working to preserve the endangered species

Amabala, a 5-year-old female who was born in captivity, is raising four healthy cubs.

Watch Four Furry and Adorable Cheetah Cubs on the Smithsonian National Zoo’s Online Feed

The “strong, active” and “vocal” babies were born during the government shutdown, and they and their 5-year-old, first-time mother, Amabala, are thriving

I have an ancestor who was in Massachusetts in 1640. What is the best way to research ships that arrived before that time? 

How Do I Research Ancestors Who Sailed to America in the 1600s? And More Questions From Our Readers

You’ve got questions. We’ve got experts

How do space programs get their names?

How Do Space Programs Get Their Names? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Male giant panda Bao Li plays on a wooden climbing structure. Beginning on January 24, visitors to the National Zoo can finally see Bao Li and Qing Bao in person.

Pandamonium

The National Zoo’s Giant Pandas Are Finally Making Their Public Debut

Bao Li and Qing Bao, both 3 years old, are the latest black-and-white bears to call the nation’s capital home

One of the ceremonial double ikat textiles acquired by the Smithsonian's National Museum of Asian Art in 2024

Eleven Fascinating Acquisitions That Joined the Smithsonian’s Vast Collections in 2024

This year, the Institution collected everything from the stunning shell of an extinct cephalopod to a Blue Origin rocket booster

Our most-read stories of the year featured photographer Vivian Maier, underwater caves in the Yucatán Peninsula, auroras and more.

Ten Top Smithsonian Stories of 2024, From a Mysterious Underground Chamber to Dazzling Auroras

The magazine’s most-read articles of the year included a close-up look at the adorable yet venomous pygmy slow loris, a profile of a little-known 20th-century street photographer and a majestic journey with divers into Mexico’s underwater caves

Cloned black-footed ferret Antonia's kits at three weeks old, on July 9, 2024.

A Cloned Ferret Has Given Birth for the First Time in History, Marking a Win for Her Endangered Species

Antonia, a cloned black-footed ferret at the Smithsonian’s National Zoo and Conservation Biology Institute, has produced two healthy offspring that will help build genetic diversity in their recovering population

Kamala often raised her trunk to greet keepers in anticipation of receiving food.

At the Age of 50, an Elderly Female Elephant Dies at the Smithsonian’s National Zoo

The pachyderm, named Kamala, was suffering from osteoarthritis when zoo staff chose to euthanize her

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