Baby Animals

The National Zoo's resident cassowary in 2010.

Behind the Scenes at the National Zoo With the World’s Most Dangerous Bird

The zoo's cassowary “still has that mysterious aura about her—that prehistoric, dinosaur-walking-through-the-rainforest-quality."

Batang and her infant are doing well and Zoo staff report she is nursing the new male Bornean orangutan.

UPDATE: Meet the National Zoo's Latest Bouncing Baby—an Orangutan (New Video)

A historical birth of a male Bornean orangutan, the first in 25 years, took place in Washington, D.C.

Twin puppies Cullen and Romulus

Identical Twin Puppies Confirmed for the First Time

Two Irish wolfhounds from South Africa shared the same placenta and have the same genetic makeup

One of the Forest of Stone Steles Museum's famous cats.

Protesters Prevent Chinese Museum From Evicting a Family of Cats

The furry family is famous on the internet

Ducks: We rule the world.

Defying Stereotypes, Ducklings Are as Clever as They Are Cute

Newborn ducks understand abstract concepts such as sameness and difference with no training whatsoever

What Do Goats, Puppies and Horses Have in Common?

Goats communicate with humans using eye contact, according to a new study

For the first time in 32 years, the Smithsonian's National Zoo’s celebrated the arrival of a sea lion pup.

Proud Sea Lion Mom Shows Off Her New Pup in These Adorable Pictures From the Zoo

Calli, the 11-year-old sea lion gave birth on June 26; mother and pup are bonding and doing well

African dogs, it turns out, make some of the best dads in the mammal world.

Rare 'Family Guy' Mammal Dads Give Us All Something to Strive For

Let’s give a Father’s Day shout-out to mammal dads who put family first—and benefit themselves as well

Life is about to become a bit more humane for male chicks.

Egg Producers Pledge More Humane Fate for Male Chicks

Better technology could make “maceration” go the way of the dodo

One of the olm eggs laid in January 2016.

A Rare Blind Salamander’s Eggs Are Finally Hatching

Biologists have waited with bated breath for months

Dorset Horn sheep are one of eight heritage livestock breeds currently living at SVF. The gene bank currently contains 30 breeds.

For One Day Only, Visit the Farm and Cryogenics Laboratory Trying to Save Endangered Livestock Breeds

Enjoy a farm tour, cryogenics demonstration and a heritage-breed beef burger at Newport, Rhode Island's Swiss Village Farm

A mother and baby bison in the Rocky Mountain Arsenal National Wildlife Refuge.

Baby Bison Euthanized After Tourists Try to "Save" It

Don't touch the wildlife

Baby panda

Cute Baby Animals You Have to See This Spring

Check out what's new at the zoo

Washington D.C. Welcomes a New Baby Bald Eagle

With one chick hatched, there’s another still to come

Emperor penguin chicks huddle for warmth. New research shows that huddling behavior, or aggregation, may vary across penguin colonies.

Here's the Latest on Penguins

From invasive "fairies" to huddling chicks, penguins are the perfect pick-me-up

New Way to Wean Calves Leaves Them Happier and Healthier

Lowering stress on the animals may also have economic benefits

Shockingly, Pandas That Like Each Other Have More Babies Together

The deceptively simple discovery could revolutionize panda breeding

An adult tammar wallaby on Kangaroo Island, Australia.

Mother Wallabies Are Delaying Births Due to Bright Lights

Marsupials exposed to artificial light had their babies a month later than those that spent nights solely lit by the stars and moon

Keepers weighed the panda cub Sept. 14, when Mei Xiang left her den. He weighed 1.9 pounds.

The National Zoo Wants Your Cutest Panda Cam Photos

Can't get enough of the panda cam? You're not alone.

Milk is udderly fascinating.

Seven of the Most Extreme Milks in the Animal Kingdom

A lactation expert breaks down why rhinos, rabbits and even pigeons produce their own special blends for babies

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