Follow his journey from San Diego Zoo to a protected wildlife reserve in Africa, where he'll meet a potential mate.

Watch the unusual friends race to the finish line after Ruuxa's legs heal.

See Xiao Liwu tear into his presents at the pirate-themed party.

The San Diego Zoo surprised the bears with the snow day, and they sure look like they're having a blast.

The mixed-species pairings create a more dynamic experience for the animals and provide constant enrichment through species interaction.

Did you know sloths sleep for 18-20 hours a day?

Males can weigh more than 2,000 pounds!

It's the only bird show in the U.S. to feature secretary birds, the tallest raptors in the world.

This little rhino calf loves running around and playing in the exhibit, and asserting his "authority" over some of the other animals.

Also, a babirusa named Natasha gets a "spa" treatment.

Watch them make their grand debut on exhibit. Sumatran tigers are critically endangered, with only about 150-250 left in the wild.

There's a lot of anticipation and nail biting before this truly special and rare event.

It's not all fun and games at the zoo. Here's how baby gorillas learn how to forage for food on their own.

These 6 southern white rhinos are out on exhibit for the first time since their arrival 3 months ago, and need a little help to acclimate to their new surroundings.

Regular weight checks of the rare species are important when they're young to make sure they're healthy and growing properly.

You can also see the ants' underground nest at the Children's Zoo at San Diego Zoo, something you wouldn't be able to see in the wild.

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

Learn all about the western pond turtle, and why they are so hard to find.

Donors raised over $5000 to have 18 tons of snow delivered to the San Diego Zoo.

Look past the stripes, and these two species of zebra are more diverse than you think.

What's in a name? Meet the newest addition to the giant panda family, who's getting his new name after 100 days as per China tradition.

Watch this busy veterinarian conduct a preventative medicine exam on one big polar bear, and learn what that entails.

It's panda birthday week at the San Diego Zoo.

Alicia is representing the San Diego Zoo with Polar Bears International in Hudson Bay. Get a preview of what's in store for her.