wildlife
For Men, Gains in the Gym May Come at a Cost to Sperm
There might be a tradeoff between how strong men look and sperm count
Like Humans, Some Birds Blush to Communicate
Blue-and-yellow macaws are capable of the feathered equivalents of facial expressions, new research shows
Cancer Is One Worry Elephants Can Feel Free to Forget
The gentle giants' cells contain a tumor-fighting self-destruct button.
The National Zoo’s Beloved, Aging Emu Has Died
Darwin delighted zoo patrons for 21 years with his clever antics and charisma
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.
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
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 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
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
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
It's Not Without Caws That Crows Desecrate Their Dead
What dead crows can teach us about the connections between sex and aggression
This Is Your Brain on Fatherhood
What clownfish stepfathers and Dad-of-the-Year foxes teach us about paternal neurochemistry in the animal kingdom
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
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
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
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
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
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.
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