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Science / Wildlife

What explains the vivid colors of the strawberry poison-dart frog?

How Do Tropical Frogs Get Their Stunning Colors?

The vibrant hues that dot the rainforest landscape help them avoid predators and win mates

In Montana, ground squirrels have been tunneling under a Air Force base’s fences and setting off intruder alarms, prompting researchers to look for a solution.

How One Nuclear Missile Base Is Battling Ground Squirrels

In Montana, squirrels have been tunneling under a base’s fences and setting off intruder alarms, prompting researchers to strengthen its defenses

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New Video of Mei Xiang’s Squawking Baby Panda

The National Zoo’s newest addition is already keeping mom up at night

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What’s Behind That Jellyfish Sting?

If you’re headed to the beach this weekend: with Jellyfish populations rising, what should you do if you are stung, and why do stings hurt so much?

Each crane is tagged with a radio transmitter (shown on the bird’s left leg) to monitor its location.

Nurture, Not Nature: Whooping Cranes Learn to Migrate From Their Elders

New research shows that the endangered cranes learn to navigate thousands of miles by taking cues from older birds

One-year-old cubs play at the nursery in Bifengxia, China

A Zoo Panda Keeper on His Trip to China and Why Mei Xiang is a Great Mom

Panda keeper Juan Rodriguez opens up about Mei Xiang’s first days with her new cub, as well as a recent trip to a partner panda facility in China

Red Mural, by Amber Hasselbring

A Butterfly Species Settles in San Francisco’s Market Street

Two advocates track Western tiger swallowtails through the city and use art to encourage residents to think of the fluttering creatures as neighbors

Seljalandsfoss is one of the most beautiful waterfalls in Iceland. Dropping from a 200-foot-high cliff to a deep pool below, this unusual waterfall of the Seljalandsá River has a unique indentation in the rock face that allows visitors to hike behind the picturesque falls. Lush greenery and a wide variety of colorful wildflowers surround the falls. As photographer Mike Reyfman describes, "Getting in touch with the natural wonders of Iceland can be a very exhilarating and enlightening experience. Located along the south coast is one of its most breathtaking waterfalls. To take a panoramic capture of the Seljalandsfoss, a photographer must be prepared for the intense mist and huge dynamic range."

25 Stunning Photographs of the Natural World

A collection of winning photographs from the Nature’s Best Photography competition, on display now at the Museum of Natural History

The Zoo reports that the “cub’s heart rate is steady and its belly was full.” Veterinarians report that they “could hear breath sounds from both lungs.”

New Baby: Giant Panda Gives Birth at the National Zoo!

The first cub is healthy and doing well. Mei Xiang gave birth to a second, stillborn cub on Saturday

“I’d rather gnaw a bean than be gnawed by continual fear.”

Scientists Investigate Whether the City Mouse Is Smarter Than the Country Mouse

Contrary to biologists’ expectations, critters living in cities don’t always have an adaptive edge over their rural counterparts

Five Unusual Ways Scientists Are Studying Climate Change

Fossilized urine, old naval logbooks and the recent speeds of satellites are among the unexpected records that track changing climate

What is it that makes honey such a special food?

The Science Behind Honey’s Eternal Shelf Life

A slew of factors—its acidity, its lack of water and the presence of hydrogen peroxide—work in perfect harmony, allowing the sticky treat to last forever

Three elephants will be coming to the National Zoo from Canada’s Calgary Zoo in the spring.

HUGE News From the Zoo: Three New Elephants Are Moving In

Three female Asian elephants will come to the National Zoo from the Calgary Zoo in spring of 2014

By analyzing a piece of fish’s DNA, researchers have found that roughly a third of U.S. seafood is mislabeled.

How DNA Testing Can Tell You What Type of Fish You’re Really Eating

By analyzing a the DNA of fish sold across the country, researchers have found that roughly a third of U.S. seafood is mislabeled

The olinguito, a small mammal native to South America, was announced as the first new carnivorous mammal species discovered in the Western Hemisphere in 35 years today.

For the First Time in 35 Years, A New Carnivorous Mammal Species is Discovered in the Americas

The Olinguito, a small South American animal, has evaded the scientific community for all of modern history

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Waters Around Antarctica May Preserve Wooden Shipwrecks for Centuries

Some capsized ships may linger on the ocean floor indefinitely

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What Can Old Menus From Hawaii Tell Us About Changing Ocean Health?

A study of vintage menus reveals the drastic decline of the state’s local fish populations between 1900 and 1950

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Sumatran Tiger Cubs Born at the National Zoo

The Great Cats team at the zoo is celebrating a conservation victory with the birth of two Sumatran tiger cubs

New research shows that, like humans, dogs are prone to yawning when they see someone else do it—and they yawn most frequently in response to their owner.

Dogs Yawn Contagiously Too

Like humans, dogs are prone to yawning when they see someone else do it—and a new study shows that they yawn most frequently in response to their owner

New research shows that bottlenose dolphins are capable of long-term memory, recognizing the distinctive whistles of tankmates up to 20 years after they last lived together.

Dolphins Can Remember Their Friends After Twenty Years Apart

Tests on captive animals reveal that the marine mammals now hold the record for retaining memories longer than any other non-human species

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