Endangered Species

Endangered species are animal popluations that are at risk of extinction. Natural extinctions do occur, but human beings play an integral role in animal extinction and preservation.

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Splitting Tigers Into Subspecies Could Help Save Them From Extinction

There is only one tiger species, but new research reports the existence of six subspecies — information that could help us save these dwindling predators.

Are Frogs on the Brink of Extinction?

Frogs are like the canary in the coal mine for the state of the environment. And the bad news is they are not doing well.

Planting Milkweed Will Help Save the Monarch Butterfly

Milkweed is the only thing a monarch butterfly eats. Their numbers are dwindling, but this common backyard weed could save them.

Rainbow Chameleons Display True Colors When Courting

Scientists discovered some new chameleon species with some very colorful characteristics.

Mary River Turtle Is Last of Ancient Lineage

The Evolutionarily Distinct and Globally Endangered (EDGE) Reptiles List includes 100 reptiles, including the punk rock Mary River turtle, that have lineages dating back to the Age of Dinosaurs.

Does Goodbye to the Last Male Northern White Rhinoceros Mean the End of the Species?

Only two female northern white rhinos remain after the passing of Sudan, the last male of its subspecies.

DNA Database Helps Nab Rhinoceros Poachers

DNA technology is helping to curtail the brutal trade in poached rhino horns.

Panda Populations Are Growing, But Their Habitat Remains at Risk

Panda populations are flourishing, and that's good news. But with the threats of infrastructure and livestock, can that trend last?

Yellowstone Grizzly Bears Lose Endangered Species Protections

After 42 years of protection, the Yellowstone grizzlies will lose their status. Critics worry the bears could become targets for trophy hunter.

How Charismatic Megafauna Work

People flock to zoos to see pandas, lions and monkeys — the ones often referred to as "charismatic megafauna." They also attract a lot of donations. But is there a downside to making some creatures the stars of the animal show?

Leopards Have Lost 75 Percent of Historic Range, New Study Finds

Farming, prey decline, illegal trading and legal hunting all threaten the charismatic but secretive big cats.

More Than a Hashtag: Can Social Media Help Save Endangered Species?

Social media couldn't save Cecil the Lion. But the outrage at his death may be helping save other endangered animals and species.

How the Coelacanth Works

The coelacanth is a real-life case of the living dead (well, kind of). The massive prehistoric fish was close to being left for extinct — until one was found in 1938. What makes this ancient creature so significant?

Top 10 Most Endangered Fish Species

Learn more about these endangered fish.

Learning From Panda Play Mei Xiang and Tian Tian

Meet giant pandas, Mei Xaing and Tian Tian. Learn how the crew at the National Zoo enrich Mei Xaing and Tian Tian's diets.

A Panda Keepers Life Brenda Morgan's Story

Brenda Morgan has a soft spot for giant pandas. Learn more about Morgan and her love for these amazing animals.

A Panda Keeper's Life Mei Xiang and Tian Tian

Learn about the zookeeper who cares for Mei Xaing and Tian Tian. Mei Xaing and Tian Tian are the giant pandas babies at the National Zoo.

A Panda Keepers Life Panda Trainer

Ever woner who is crazy enough to try to train pandas at the zoo? Read on to learn all about giant pandas and how they are trained in zoos.

A Panda Keepers Life Weight Watcher

Learn about what it takes to care for two little, giant pandas. Learn how the crew at the National Zoo help take care of Mei Xiang and Tian Tian.

Ling Ling and Hsing Hsing Meet the Pandas

In honor of giant pandas everywhere, we're taking you back! Remember Ling Ling and Hsing Hsing, two giant pandas that were gifts from the Chinese Government.

Mei Xiang and Tian Tian Meet the Pandas

Meet Mei Xiang and Tian Tian -- two little, giant pandas. Learn what it takes to care for two baby giant pandas.

Meet Tai Shan Baby Panda The National Zoo

Meet Mei Xiang and Tian Tian! Learn what it takes to care for two baby giant pandas.

A Cub is Born Tai Shan's First Year

Who doesn't love a good giant panda story? Check out this timeline discussing Tai Shan's first year of life and learn more about this baby panda from the National Zoo.

Audio Interview Tai Shan National Zoo

Listen to a panda expert from the National Zoo talk about the birth of Tai Shan. Learn about giant pandas.

BLUE-SIDED TREE FROG (Agalychnis annae)

The blue-sided tree frog is found in the moist tropical and subtropical regions of Costa Rica. The blue-sided tree frog has golden eyes, a green-blue back, blue sides and a pinkish underbelly.


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