wildlife

Blue-and-yellow macaws are capable of blushing (left).

Like Humans, Some Birds Blush to Communicate

Blue-and-yellow macaws are capable of the feathered equivalents of facial expressions, new research shows

Elephants, which can weigh up to 100 times as much as humans, should be riddled with cancer—but they aren't.

Cancer Is One Worry Elephants Can Feel Free to Forget

The gentle giants' cells contain a tumor-fighting self-destruct button.

Darwin, described by caretakers as a bit "goofy," befriended even the Zoo's cassowary, widely considered one of the world's most dangerous birds.

The National Zoo’s Beloved, Aging Emu Has Died

Darwin delighted zoo patrons for 21 years with his clever antics and charisma

Four Przewalski's horse foals—one filly and three colts—have been born at the Smithsonian Conservation Biology Institute since mid-March.

Four Foals Join the Herd of Przewalski’s Horses at the Smithsonian

This endangered species, native to Mongolia, China and Kazakhstan, is slowly being revitalized with the help of conservation scientists around the world.

When Bsal first arrived in the Netherlands, the pathogen wiped out 96 percent of the resident population of fire salamanders in a few years.

How American Scientists Are Planning to Thwart a Salamander Apocalypse

Yet another fungus threatens to decimate amphibians in North America, but this time, scientists stand ready

Even at three-and-a-half months, the inquisitive Moke has already begun to explore his surroundings and approach the other members of his troop.

At Nearly Four Months Old, the Zoo’s Youngest Gorilla Has Begun to Show His Rambunctious Roots

Moke, the National Zoo’s first infant gorilla in nine years, enlivens the primate house with chatter and play.

A starfish and barnacles along the side of a formerly sunken wall

A Photographer Documents the Effects of Climate Change on Maine's Intertidal Zones

A marine biology student at Northeastern University captures the vulnerable organisms that have to survive high and low tide

The science behind the uptick in cheetah births includes a new fecal hormone method to determine pregnancy in the animals.

Zoo Announces Another Seven Adorable Cheetah Cubs Are Born

With wild populations threatened, emerging and new techniques in the breeding science is growing ever more critical

New Research Suggests Dr. Seuss Modeled the Lorax on This Real-Life Monkey

Facial recognition software refreshes the classic book's message on conservation

Forest near Sarayaku, Ecuador

This Simulation Maps the Rise and Fall of Species Over 800,000 Years

Biogeographers have built a virtual world to trace the emergence and extinction of species during the last eight glacial cycles

Aggressive or sexual behavior in crows interacting with dead bodies might happen more often when sex hormones run rampant.

It's Not Without Caws That Crows Desecrate Their Dead

What dead crows can teach us about the connections between sex and aggression

Male bat-eared foxes spend much of their time with their offspring, grooming, engaging them in play and teaching them to forage.

This Is Your Brain on Fatherhood

What clownfish stepfathers and Dad-of-the-Year foxes teach us about paternal neurochemistry in the animal kingdom

Clay's team captured 15 female gnus for study. Following controlled exposure to male mating calls in an experimental setting, the quadrupeds (and their offspring) were released back into the wild.

How Noisy Males Control the Gnu’s Cycle

New research shows that ovulation in Serengeti wildebeests is accelerated and synchronized by the yammering of eager males

Born June 30, the new scimitar-horned oryx is already beginning to explore her surroundings.

New Artificial Insemination Technique Successfully Breeds Critically Endangered Scimitar-Horned Oryx

This marks the first birth of an oryx through artificial insemination that did not rely on potentially fertility-compromising anesthesia

Snazzy as they are, stripes will not save you from the perils of dehydration.

Settling a Heated Debate—Do Zebra Stripes Keep These Animals Cool?

Researchers from Hungary and Sweden investigated whether black and white stripes are actually better at keeping the heat at bay

A kissing bug with an attached radio transmitter at a private home in Texas.

How Tiny Trackers Could Help Humans Avoid Kissing Bugs' Deadly Smooch

The insects, which spread Chagas disease, can now be tracked with miniature radios to stop the spread of illness

We may see them as pests, but raccoons see humans as ripe for plundering. According to Suzanne MacDonald, they are "the only animal that would break into captivity because they think it’s a better deal."

How Humans Created the Ultimate Superpests

As urbanization continues to push wildlife to the brink, humans may need to reevaluate their role in habitat destruction

Australian Reptiles And a Toad Named After Gollum on Latest Endangered Species Update

The IUCN Red List shows Oz's reptiles are in trouble as well as flying foxes, a Jamaican rodent and a New Guinea butterfly

The National Zoo's female giant panda Mei Xiang, mother of three, will not give birth this summer.

Giant Panda Mei Xiang Will Not Give Birth

After a week and a half of waiting, the National Zoo confirms that Mei Xiang experienced a pseudopregnancy.

Izzy photographed with the two infants on her back on Friday, June 30.

National Zoo Reports Death of Infant Golden Lion Tamarin

The golden lion tamarin and its sibling were born on Friday, marking the first births of tamarins for the Zoo in a decade

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