Under all those quills, porcupines hide surprisingly bulky bodies. On average, adults tip the scales at 12 to 35 pounds, ...

The meerkats at the Small Mammal House — Frankie, Sadie, Archie, Felix, Oscar, Louie and Scout — got a taste of Halloween ...

As a deadly fungal disease ravages wild frog populations around the globe, scientists have identified potential locations in ...

Smithsonian scientists are collaborating with the American Prairie Reserve in Montana to help understand, restore and preserve this wild landscape. Follow ecologists into the field as they attempt to ...

As a leader in wildlife conservation, the Smithsonian's National Zoo and Conservation Biology Institute has made significant strides towards securing a future for the world's rarest species of bear: ...

The wait is over — the Cheetah Cub Cam is back! Tune in live to see cheetah mother Amabala caring for her four cubs, born Oct. 17-18, 2025, at the Smithsonian’s National Zoo and Conservation Biology ...

Photo caption 2: Dr. Brandie Smith, the John and Adrienne Mars Director of the Smithsonian’s National Zoo and Conservation Biology Institute, has spent decades working to save wildlife, including the ...

Calling all cubs! Take our kid-friendly quiz and see how much you know about these beloved bears! This quiz has 10 questions. Select your answer and then click "Guess". Then you can move ahead with ...

Kiwi are the smallest of the ratites, a distinct group of large, flightless birds. Feathers resembling a shaggy coat of brown hair cover the kiwi's body. The kiwi's long, curved, pale gray-brown bill ...

A Neotropical migratory bird is a bird that breeds in Canada and the United States during our summer and spends our winter in Mexico, Central America, South America or the Caribbean islands. According ...

The Department of Nutrition Science uses best-practices and conducts scientific research to provide the best diets to the animals in the Zoo's care. Providing the best diets means not only formulating ...

Cheetahs are the world’s fastest land mammals, capable of sprinting up to 70 miles per hour. But while their speed is in a class of its own, their survival depends on something commonplace for most ...