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 29, 2024

Meet Our Addax Calf

Three’s company, too! The morning of Jan. 26, Africa Trail staff reported for duty and discovered a female addax calf.

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 18, 2024

Meet Our Ruddy Quail Dove Squab

Our Bird House team is celebrating the arrival of a ruddy quail dove squab—the first of its species to hatch at the Zoo!

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.

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.