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National Zoo and Conservation Biology Institute

Two female Asian Elephants

Two Asian Elephants Arrive at the Smithsonian's National Zoo and Conservation Biology Institute

The females, 19-year-0ld Trong Nhi and daughter, 9-year-old Nhi Linh, join males Spike, 41, Kamala, 47, Swarna, 47 and Maharani, 32, at the "Elephant Trails" exhibit in Washington, D.C.

Three female African lions rest in the sun and shade in a grassy area along a wood-panel fence

How Zookeepers Care for Aging Lions

Training allows lions to participate in their own health care

Black tree monitor (lizard) with dark coloration, an elongated body and a long, slender tail rests on a branch

Meet the Black Tree Monitor

Get the scoop on these intelligent, elusive reptiles

A butterfly on a cluster of small flowers

8 Reasons to 'Bee' in Awe of Pollinators

Get the buzz on pollinators from an entomologist and animal keeper.

An aerial photo of two horseshoe crabs on the sand in shallow tidal waters

10 Incredible Horseshoe Crab Facts

Celebrate World Ocean Day on June 8 by learning about these ancient arthropods

A small wood turtle stands in a pile of fallen leaves in a forest

Meet the Researchers Working to Save Wood Turtles

To ensure a future for these endangered turtles, scientists need to know how many are left

Asian elephant standing in a sandy patch at an outdoor zoo exhibit

Watch: How Do You Help An Elephant With a Toothache?

Experts come together to provide dental care for an Asian elephant

Cheetah mother and cubs huddled together in the grass

Meet the Small but Mighty Microbiomes

Trillions of microscopic bacteria play an important role in keeping animals healthy

Giant panda cub Xiao Qi Ji in a tree with his tongue sticking out

A Decade of Adorable Giant Panda Cam Moments

From newborn cubs to belly slides in the snow

A close-up of a green tree python with orange-red eyes, small scales, a forked tongue and small put organs visible around its mouth

Do Snakes Have Ears? And Other Sensational Serpent Questions

Get the scoop from an animal keeper who works with snakes

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