Close shot of a three-month-old cheetah cub.

How Science Solved a Cheetah Cub Mystery

Get the inside story on how Smithsonian genomics researchers determined the parentage of cheetah mother Echo's cubs.

Introducing Toph and Suki

The Zoo is excited to announce the names of the newest residents of the Small Mammal House! After more than 5,400 votes were cast in an online public poll, the winning pair of names has been revealed: Toph and Suki, named after characters from the television show 'Avatar: The Last Airbender'. 

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February 28, 2024

Focus on the Future: James Mouton

For ornithologist James Mouton, his "clear-cut" scientific career took a detour when he chose to join the military. But his non-traditional path shows there's more than one way to conserve...

February 21, 2024

Restoring Scimitar-horned Oryx

Twenty-three years after being declared “extinct in the wild”, the scimitar-horned oryx has made a remarkable comeback. Smithsonian research ecologist Katherine Mertes shares how oryx reached the turning point, and...

February 13, 2024

Zoo Vets Solve Cardiac Conundrum

One tamandua at the Zoo has a new piece of tech helping him to stay healthy, after what is believed to be a first in veterinary medicine.

February 09, 2024

A Beaver Love Story

When it comes to love, leave it to the beavers! Get the story of Aspen and Juniper’s rocky romance from American Trail keeper Jackie Spicer.

February 05, 2024

Help Name Cotton-Top Tamarins

Starting Feb. 5, the public will have an opportunity to vote on names for two cotton-top tamarin sisters.

January 31, 2024

White-Naped Crane "Walnut" Dies

NZCBI staff in Front Royal, Virginia, are mourning the loss of Walnut, a white-naped crane who became an internet sensation for choosing one of her keepers as her mate.

January 19, 2024

10 Cool Things About Lions

Few animals are as regarded—and feared—as the largest carnivores of the African savannah. But how much do you really know about lions?

January 12, 2024

#GorillaStory: Sweet Snuggles

Since her birth last May, our baby western lowland gorilla, Zahra, has grown and changed so much. Read the latest #GorillaStory update from keeper Carly Hornberger.

Live Streaming Webcams

See cheetahs, elephants, lions and naked mole-rats on animal cams streaming live, 24/7 from the Smithsonian's National Zoo and Conservation Biology Institute.