Panamanian golden frogs—such as F1, seen here—are native to the rainforests and cloud forests of Panama but haven't been seen in the wild since 2009. Each creature's bright coloration warns predators of its deadly skin, which contains enough toxins to kill 1,200 mice.

A Small Band of Panamanian Golden Frogs Is Saving Their Species From Oblivion

Victims of a deadly fungus, the amphibians are now being selectively bred through a program at the Smithsonian's National Zoo

In planning to re-open, Zoo staff have spent several weeks consulting scientific experts and preparing rigorous healthcare guidelines.

The National Zoo Will Reopen to the Public on July 24

Two bison, an Andean bear and a baby wallaby are among the new animals ready to welcome visitors back

Shanthi, who readily participated in hundreds of behavioral and biological research studies, will be remembered for her unrivaled contribution to conservation efforts.

National Zoo Mourns Beloved Member of Its Herd

The 45-year-old Asian elephant Shanthi was one of the most studied in the world

An animal care staff member at Chicago's Shedd Aquarium feeds some Magellanic penguins.

A Behind-the-Scenes Look at Maintaining Tourist Sites During COVID-19

Despite closures, essential workers are the ones holding down the fort at these popular travel destinations

Paratype of Florida's rare blue calamintha bee (male)

Blue Bee Feared to Be Extinct Is Found in Florida

First discovered in 2011, the rare species reappeared recently after nearly a decade of eluding scientists' watch

Stream live or watch repeated broadcast overnight.

LIVE NOW: Watch the Smithsonian's Earth Optimism Digital Summit

The two-day virtual event will bring scientists and many other experts to highlight success stories in conservation

Research suggests humans can occasionally pass the new coronavirus to cats. But felines are very unlikely to be a source of transmission back to humans.

Why the New Coronavirus Affects Some Animals, but Not Others

While the virus seems capable of infecting some pets and wild animals, these cases probably aren’t occurring often

Nadia and her sister Azul as cubs at the Bronx Zoo in 2016. Both tigers showed symptoms of COVID-19, and Nadia tested positive for the virus.

A Tiger in the Bronx Zoo Tested Positive for COVID-19

Nadia, a four-year-old Malayan tiger, is the first known animal to test positive for coronavirus in the United States

A sign reading "No Entrance!" is seen at the burned-out monkey house of the zoo in Krefeld, western Germany, on January 1, 2020.

More Than 30 Animals, Among Them 'Highly Endangered' Species, Killed in Fire at German Zoo

Authorities say the blaze was likely started by floating lanterns illegally released into the sky on New Year's Eve

On December 24, 2019, the Potter Park Zoo in Michigan welcomed a healthy male black rhino calf.

Baby Black Rhino Born at Michigan Zoo on Christmas Eve

The birth of the yet-to-be-named male calf marks a milestone for conservationists trying to save the critically endangered species

The 'blob' now lives in a terrarium where it loves warm temperatures and humidity.

Paris Zoo Unveils Bizarre, Brainless ‘Blob’ Capable of Learning—and Eating Oatmeal

Physarum polycephalum is known as a slime mold, but it is not in fact a fungus. It’s also not a plant. Or an animal.

Birds are considered an indicator species, representing the health of entire ecosystems.

North America Has Lost Nearly 3 Billion Birds Since 1970

The staggering population loss of 29 percent of North American birds could signal an ecological crisis

By day the members of the Megatherium Club, united by youth, ambition, intelligence and a deep and abiding love of the natural world, hunched over jars of marine worms in alcohol or endless trays of fossils…At night they were ready to cut loose.

The Hard-Drinking Early Smithsonian Naturalists of the Megatherium Club

William Stimpson created a fraternity of young scientists and named it for an extinct North American sloth

Najin (left) and Fatu, the last two northern white rhinos, on the day before their eggs were harvested.

Eggs Successfully Collected from the Last Two Northern White Rhinos

Advances in fertility science will hopefully allow researchers to implant embryos of the species into surrogate southern white rhinos

Biswamoyopterus gaoligongensis

New Species of Giant Flying Squirrel Discovered in China

Weighing 3 to 4 pounds, the Mount Gaoligong flying squirrel was recently found in Yunnan province

Fatu, born in 2000, is one of the world’s last two surviving northern white rhinos. In this 2013 photograph, she’s hanging out with southern white rhinos at Kenya’s Pejeta Nature Conservancy.

San Diego’s Frozen Zoo Offers Hope for Endangered Species Around the World

The largest animal cryobank in the world is a rich source of genetic knowledge that may one day be used to bring endangered species back from the brink

The "Game of Thrones'" Red Wedding has nothing on naked mole-rats

After a Murderous Rise to the Top, a Naked Mole-Rat Queen Reigns Supreme

Mole-rat monarch asserted dominance by giving birth to three pups on Monday morning—all hail her majesty

The fire in Griffith Park was largely extinguished by late Friday

How the Los Angeles Zoo Prepares Its Animals to Face Natural Disasters

The institution sprung into action late last week, evacuating birds and some smaller primates before firefighters contained a nearby blaze in Griffith Park

Nyack was known for his vocal roars and laid back personality

A Lioness Killed the Father of Her Cubs in Rare Attack at Indianapolis Zoo

Prior to the incident, 12-year-old Zuri had never shown signs of aggression toward 10-year-old Nyack

Astronauts aboard the International Space Station captured incredible images of Hurricane Florence on Sept. 10.

Five Ways Cultural Institutions, Landmarks and Zoos Are Prepping for Hurricane Florence

Many museums are closing their doors, while zoos and aquariums are moving their animals indoors

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