Baby Animals

Researcher Alexandra Green, recording cows

Cows Communicate With Unique Moos

A new study has found that the animals use distinct vocalizations across a range of emotional contexts

Española tortoises are reared for five years before being released on the Galápagos' Española Island.

Diego, the 100-Year-Old Tortoise Who Fathered 900 Babies, Returns to the Wild

The breeding program brought the Española tortoise population back from the brink

Athena, a two-toed sloth who recently made her debut at the National Zoo.

Will Love Bloom Between Two Sloths at the National Zoo?

Keepers are gradually introducing Athena, who made her debut at the zoo in December, to fellow two-toed sloth Vlad. Sparks have not flown—yet

Researchers now have video evidence that Atlantic puffins can use sticks as tools to scratch their backs.

In a First, Scientists Film a Puffin Scratching Itself With a Stick

Behold the first evidence of tool use in seabirds

On December 24, 2019, the Potter Park Zoo in Michigan welcomed a healthy male black rhino calf.

Baby Black Rhino Born at Michigan Zoo on Christmas Eve

The birth of the yet-to-be-named male calf marks a milestone for conservationists trying to save the critically endangered species

CT scan of a newborn panda cub.

Panda Bears Have Teeny Tiny Babies, and We Don't Know Why

Panda moms are 900 times bigger than their cubs and a new study disputes the theory it's related to hibernation

Invasive Mice Are Gnawing the Scalps of Endangered Albatrosses

The mice already kill an estimated 2 million seabird chicks per year, but they now target breeding adults

Was This 18,000-Year-Old Puppy Frozen in Siberian Permafrost the Ancestor of Wolves, Dogs or Both?

DNA tests on the well-preserved remains can't determine whether the little canine was wild or domestic

Sweet Narwhal will be adoptable soon, but he is not for sale. He is a very good boy, of course.

Meet the ‘Unicorn Puppy’ With an Extra Tail on His Head

Narwhal’s unique appendage may be the remnant of his parasitic twin

Researchers debate whether Iron Age Scots hunted the massive fin whales or simply made the most of animals swept ashore.

Archaeologists Unearth Hollowed-Out Whale Vertebra Containing Human Jawbone, Remains of Newborn Lambs

Iron Age Scots made the unusual vessel with the bone of a fin whale, Earth's second largest whale species

Babies May Understand Counting Before They Fully Understand Numbers

By tempting an adorable pool of subjects with toys, a new study found that infants associate counting with quantities

North Atlantic Right Whale Mamas Whisper to Their Babies to Keep Them Safe

By using soft grunts instead of their normal loud call, it's believed they avoid the attention of orcas, sharks and other predators

Mother walruses like this one on a waterfront near Svalbard, Norway, are very protective of their young.

An Angry Walrus Mother Derailed a Russian Naval Expedition

The hulking marine mammal was likely trying to protect her calves

Too cute to be nameless.

Help the Shedd Aquarium Name Its Rescued Otter Pups

The aquarium hopes the contest will help raise awareness about southern sea otters’ ongoing conservation needs

Good luck, Tira! You've surely earned your spots.

Spotted in Kenya: A Baby Zebra With Polka Dots

Tira, as the foal has been named, appears to have a condition known as “pseudomelanism”—and it may threaten his survival

The word "teetotaler" dates back to the temperance movement that preceded Prohibition.

Where Does the Word 'Teetotaler' Come From? And More Questions From Our Readers

You've got questions, we've got experts

The National Zoo's female panda Mei Xiang (above in 2019) is exhibiting signs of a possible pregnancy. These same behaviors could also mean she is experiencing a pseudopregnancy.

14 Fun Facts About Giant Pandas

Mother Mei Xiang’s annual ambiguous maternal behaviors always deliver heightened anticipation at the National Zoo

Najin (left) and Fatu, the last two northern white rhinos, on the day before their eggs were harvested.

Eggs Successfully Collected from the Last Two Northern White Rhinos

Advances in fertility science will hopefully allow researchers to implant embryos of the species into surrogate southern white rhinos

Potential explanations for the disorder include infectious disease, rat poison, toxic algae and nutritional deficiencies.

Florida Authorities Investigate a Disorder Affecting Panthers' Ability to Walk

The crippling condition appears to hamper the big cats’ back leg coordination

A Beloved Baby Dugong Has Died After Ingesting Plastic

The orphaned marine mammal became an internet sensation after images of her nuzzling human caretakers went viral

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