Watch them explore all the nooks and crannies of the habitat for the first time. Sumatran tigers are critically endangered, with only about 150-250 left in the wild.

Follow along as keepers Kate and Maggie perform a training session for medical exams and feed a couple of full-grown cheetahs at the Little Rock Zoo.

At just over five weeks old, Cece, whose name means "playful monkey," is just starting out on the adventure of life.

Follow along on her rounds as she weighs an elephant, gives a porcupine an ultrasound, and takes a crocodile's temperature.

Mila, who spent around 30 years touring New Zealand with the Whirling Brothers Circus, moved to the San Diego Zoo in 2013, but sadly passed away in 2017 at an early age. See the sweet moment Mila made a friend after spending many years...

It may not be graceful, but it certainly is cute. Also, see how zookeepers choose a name for the baby elephant.

See Domingo, a three-banded armadillo, explore his new environment to get ready for his Animal Ambassador role at the San Diego Zoo.

The baby cheetahs were born at the San Diego Zoo to an inexperienced mom named Malana, who inadvertently caused minor injuries to them. The cubs were taken to a care center to be monitored for medical issues while learning to find their...

Get to know this large marine mammal.

Learn five fun facts about the chuckwalla, the second largest lizard in the United States that grows up to 18 inches long.

The giant otter found a friendly female companion to help him explore his new environment after being transferred from a rehabilitation center.

Get to know this critically endangered species of lizard native to Tanzania.

Learn all about these tiny tortoises from Madagascar.

Contrary to popular belief, penguins don't only live in cold, icy locations... some are beach bums! These penguins have made a home on the shores of the southwest coast of Africa.

One of their favorite prey? Snakes.

They may have striped markings that resemble zebras, but they are more closely related to a different African animal.

These birds are in nectar heaven at San Diego Zoo's Lorikeet Landing.

Find out how he came to live at Utah's Hogle Zoo over 30 years ago, and why he's in for a checkup today.

Get a bird's eye view on flamingos and pink backed pelicans raising their chicks.

Learn all about the smallest canid species, including what those funny-looking giant ears are for.

Get a look at the San Diego Zoo's newest attraction, Elephant Odyssey.

How three Amur leopard cubs are adapting to their new life.

Welcome to Monkey Village, one of the only places in the U.S. where you can walk right through the monkeys' habitat.

See what it's like to care for this tiny marsupial, born only the size of a kidney bean.