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National Zoo and Conservation Biology Institute

A male Guam kingfisher bird wearing a transmitter on its back is held gently in an animal keeper's gloved hand

Scientists Are Using 3-D-Printing Technology to Ready Guam Kingfishers for Reintroduction to the Wild

'Test flights' using replica transmitters will help scientists select the best option for siheks

Giant panda Xiao Qi Ji upside-down in a hammock

Watch: 10 Animal Videos That Topped Our List in 2021

Look back on a year of animal antics and conservation stories

Horned lark chicks camouflaged in their nest on the ground in the Northern Great Plains

A Rare Look Inside the Nests of Declining Prairie Songbirds

It can take hours to find the well-hidden nests of migratory birds on the Northern Great Plains

Close-up of a Kirtland's warbler songbird

A Day in the Life of a Conservation Biologist in Search of a Rare Songbird’s Nest

In Michigan’s jack pine forests, researchers spend hours on the lookout for Kirtland's warblers

Panamanian golden frog standing among dirt and leaves

Is a 'Living Pharmacy' the Key to Curing Chytrid in Frogs?

Scientists test a new approach to protecting frogs from the deadly fungal pathogen

Bobcat caught on camera trap walking through brush and scrub on Montana's grasslands

How I Study Elusive Prairie Bobcats

Camera traps reveal how bobcats navigate the Northern Great Plains

Swift fox pups huddled together at dusk on Montana's grasslands

Why Researchers Are Scouring Montana's Grasslands for Swift Fox Scat

Scientists can learn a lot from what an animal leaves behind

Bald eagles are native to the United States, but caring for them is a unique and rare opportunity. Every bald eagle in human care, including Annie pictured here, is a rescue.

Meet Rescued Bald Eagles Tioga and Annie

Every bald eagle in human care is a rescue

The coast on the island of Curaçao

Connecting Ocean Conservation from Sea to Sky

From deep trenches to shallow shores, water circulates in one world ocean

Common yellowthroats, like the one pictured here, spend their winters in coffee growing regions in Latin America.

Birders Want You to Rethink Your Morning Roast

Your coffee is stronger than you think

A sea lion at the Smithsonian's National Zoo and Conservation Biology Institute.

5 Free Programs Streaming for Earth Week

Celebrate Earth Optimism with live webinars April 21 and 22

The first cheetah cub born at the Smithsonian Conservation Biology Institute celebrated his 10th birthday last year, marking a decade of the facility's successful cheetah breeding program.

5 Milestones from a Decade of Cheetah Breeding and Conservation

Take a look back at some of the milestones the Smithsonian Conservation Biology Institute’s cheetah team has celebrated since the breeding and conservation program began.

In the midst of the pandemic, as the story goes, a team set out to bring swift foxes back to a land they had disappeared from more than 50 years ago.

How Tribes and Conservation Partners are Bringing Swift Foxes Back to Their Historic Range

In the midst of the pandemic, as the story goes, a team set out to bring swift foxes back to a land they had disappeared from more than 50 years ago.

A cheetah cub at the Smithsonian Conservation Biology Institute in Front Royal, Virginia.

8 Aww-Inspiring Videos of the Year's Best Animal and Conservation Stories

From a litter of chirping cheetahs and the birth of a lovable giant panda cub to groundbreaking coral reef research and new strides in animal care, there were many milestones to celebrate this year.

Tasi is a 4-year-old Guam rail and a marvel, considering that just a few decades ago his species nearly disappeared.

Meet Tasi, a Little Bird with a Big Purpose

We care for many rare and endangered species here at the Smithsonian Conservation Biology Institute in Front Royal, Virginia, including a little brown bird named Tasi. Tasi is a 4-year-old Guam rail and a marvel, considering that just a few decades ago his species nearly disappeared.

A bison on the Northern Great Plains.

I Spent the Summer Studying a Herd of Bison, And Here’s What I Learned

From May to August, I spent most days observing a herd of about 300 bison in Montana.

The Peruvian tern's desert camouflage makes it almost impossible to track, but that’s exactly what our research team set out to do. It would take us four months to survey more than 1,851 acres for the bird, battling sandstorms, stifling heat and impossible landscapes inside Paracas National Reserve — terrain that the tern has mastered.

Searching for the Invisible, Invincible Peruvian Tern

The Peruvian tern's desert camouflage makes it almost impossible to track, but that’s exactly what our research team set out to do. It would take us four months to survey more than 1,851 acres for the bird, battling sandstorms, stifling heat and impossible landscapes inside Paracas National Reserve — terrain that the tern has mastered.

A 28-day-old female Guam kingfisher chick at the Smithsonian Conservation Biology Institute.

Raising One of the World's Rarest Birds

Guam kingfishers are incredibly rare and difficult to breed, so we are thrilled to be closing out the breeding season with four new chicks. This has been our biggest year to date, and one of our busiest!

Spindly legs and thick, red fur have earned them the nickname “foxes on stilts,” but maned wolves are neither fox nor wolf.

What the Rhythm of a Maned Wolf's Heart Reveals

Spindly legs and thick, red fur have earned them the nickname “foxes on stilts,” but maned wolves are neither fox nor wolf. Today, researchers are monitoring maned wolves' heart rates to learn more about these unique, charismatic canids.

A 41-day-old Guam kingfisher chick at the Smithsonian's National Zoo and Conservation Biology Institute. With fewer than 140 Guam kingfishers left in the world, all living in human care, every chick is precious.

Growing Up Guam Kingfisher

Breeding season is the most demanding time of year for the bird team at the Smithsonian Conservation Biology Institute, but it can also be the most rewarding. With fewer than 140 Guam kingfishers left in the world, every egg laid and chick hatched is a step closer to saving this species.

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