Baby Animals

In times of desperation, female sawtooth sharks have been known to reproduce sans males. For other species, solo reproduction is downright vanilla.

Meet Eight Species That Are Bending the Rules of Reproduction

Spice up your mating life with relationship tips from rock lizards, sharks and water fleas

Watch a Male Seahorse Give Birth to Hundreds of Babies

Male seahorses are the ones who carry children and give birth. And when they do, they can produce up to 2,000 babies at one time

It looks tiny now, but no matter what you've been told, it'll get bigger. A lot bigger.

Bad News, Pet Lovers: Teacup Pigs Are a Hoax

It’s a descriptor, not the term for a breed of pig, and it’s hurting animals

During more peaceful times, two female baboons sit next to a collared male baboon holding an infant.

Baboons Are Ruthless Reproducers

These monkeys do whatever it takes to pass on their genes, including killing others’ offspring

The Country’s Most Famous Bald Eagle Pair Just Laid Another Egg

To the delight of millions of online viewers, the nesting eagles at the U.S. National Arboretum welcomed a new egg to their nest

An artist's rendition of Dinocephalosaurus carrying her baby through the ancient ocean.

This Ancient Reptile Gave Birth to Live Offspring

Rather than laying eggs like its modern bird and croc relatives this creature gave birth to live babies

Think human dating is hard? Try being a panda.

Why Panda Sex Isn't Black and White

Reproductive experts weigh in on panda porn, panda Viagra and other biological myths

On October 8, 2013, panda cub Bao Bao is examined by Zoo staff Juan Rodriguez and Brandie Smith.

It’s Easy to Fall in Love With a Panda. But Do They Love Us Back?

Keepers admire them, but have no illusions. Pandas are solitary creatures

The Zoo's vets are keeping a close eye on the three newborn cubs.

Meet the Cincinnati Zoo's Three Newborn Malayan Tigers

The adorable balls of fur could help the zoo diversify their tiger gene pool

“No, we don't cuddle the seals,” says the Zoo's Rebecca Sturniolo says. “As cute and cuddly as they are, they are pretty feisty."

The Zoo's Baby Seal Is Cute and Cuddly, But Don't Be Fooled

The National Zoo's seal-breeding program has another gray seal pup success

Why Puppies Love Baby Talk

New research shows puppies respond strongly to high-pitched chatter, but most adult dogs could care less

Incredibly Cute Polar Bear Cubs See the World for First Time

After a long winter in their den, a polar bear mother and her cubs emerge at the first signs of spring.

A Fertile Polar Bear's Hard Journey From Mating to Motherhood

After mating takes place, a female polar bear will prepare for her impending pregnancy by eating voraciously. In all, she will pack on more than 400 pounds

Polar Bear Mom and Cub Accidentally Separated by a Car

A car horn outside Churchill, Manitoba, causes a curious polar bear mom and her cub to scurry in opposite directions

Bei Bei, the National Zoo's youngest giant panda cub, during a veterinary exam when he was less than three months old.

The Long, Adorable History of Pandas in America

Su Lin was the first giant panda to come to America, landing in San Francisco in 1936

How does a bear catch a break around here?

Decades-Old Chemicals May Be Threatening Polar Bear Fertility, As If They Didn’t Have Enough to Worry About

A new study sheds light on how today's pollutants could become tomorrow's threats to wildlife and humans

Polar Bear Mom Protects Her Cubs From a Hungry Male

As they embark on their long summer migration, a polar bear mother and her cubs need frequent breaks, putting the cubs at risk

A detailed image of the baby crocodiles inside the mummy.

Crocodile Mummy Found Packed With Dozens of Smaller Crocodile Mummies

The little critters escaped notice until high-powered modern scanners tackled the mummified remains

That looks nutritious.

Everyone Poops. Some Animals Eat It. Why?

Consuming feces can benefit not only the health and microbiomes of some animals, but also their environments

Wild Inside the National Zoo: The Future of Maned Wolves

After three years of being paired, maned wolves Echo and Zayda produce two new pups at the Smithsonian Conservation Biology Institute

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