The Best Places to See Wild Horses in North America
From Nevada to Nova Scotia, here are the top locations to see these beautiful and majestic creatures
The Future of Animal-to-Human Organ Transplants
Could a genetically engineered pig heart one day function in a person?
Domestication Seems to Have Made Dogs a Bit Dim
Thanks to their relationship with us, dogs are less adept at solving tricky puzzles than their wolf relatives
The National Zoo Wants Your Cutest Panda Cam Photos
Can’t get enough of the panda cam? You’re not alone.
Seven of the Most Extreme Milks in the Animal Kingdom
A lactation expert breaks down why rhinos, rabbits and even pigeons produce their own special blends for babies
Visit the Giant Galápagos Tortoises Using Google Street View
The 15-sided camera of the Street View Trekker followed migration routes for the giant reptiles
These Scientists Survey Rainforest Diversity Using Leeches and the Blood They Suck
DNA from their host animals can persist in adult leeches for at least four months
Meet the Bear Who Earned the Rank of Corporal in the Polish Army
He had a penchant for cigarettes, booze and arm wrestling
These Women Reduced Poaching on one South African Reserve by 76 Percent
The “Black Mambas” just received a prestigious award for their work on behalf of rhinos, lions and cheetahs
Melting Ice Might not Spell Doom for Polar Bears
Snow geese, their eggs and caribou may offer enough calories for the polar bears to survive long ice-free seasons
Hawks Act as Unwitting Muscle for Hummingbirds
In Arizona, hummingbirds seem to deliberately seek out bodyguard hawks to shield them from nest-robbing jays
Pigs Aren’t Quite as Domesticated as People Once Thought
Researchers partially unravel the complexity of domesticated swine genetics
Knut the Polar Bear’s Mysterious Death Finally Solved
The famed Berlin Zoo bear suffered from an autoimmune disease that until now has only been known to occur in humans
Panda Update: Giant Panda Mom Mei Xiang Won’t Exchange Care of Cubs
Smaller cub is receiving infant formula and fluids from Zoo veterinarians
BREAKING: A Panda Cub is Born at the National Zoo (Video)
The 17-year-old female giant panda Mei Xiang gives birth
Biologists Have Spotted the First Wolf Pack in California in 100 Years
Two adults and five pups make up the newly-named Shasta Pack
Ask Smithsonian: Why Do Flamingos Stand on One Leg?
Flamingos may be doing their one-legged tree pose to stay warm or just because it’s comfortable
Panda Cub (Or Is It Bamboo?) Detected in Mei Xiang’s Ultrasound
Breeding pandas is complicated and frustrating. The Zoo’s female Giant Panda has delivered two healthy cubs in the past ten years
Gliding Spiders Found Falling From Tropical Trees
Flat-bodied spiders that live in the rainforest strike a Superman pose to take control of their free-falls
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