There are four species of great apes: bonobos, chimpanzees, gorillas, and orangutans. With their numbers dwindling in the wild due to habitat loss, here's how you can help save them.

This social species, found throughout Asia, live in large family packs such as this one.

A keeper sheds light on some myths and misconceptions about hyenas.

It's not every day you have snow in San Diego - and these polar bears are relishing every moment.

Watch this honey badger show off her soccer skills.

Introducing the cubs to dad is the final step to bringing the whole pride together.

Hailing from the Philippines, Visayan warty pigs are critically endangered in the wild - making the birth of these piglets incredibly important.

Weighing 2,000 pounds and with characteristic mustache-shaped horns forming what's known as a "boss," this is one tough animal you wouldn't want to mess with.

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

As a new elephant calf joins the herd, see how he learns about the social hierarchy.

Meet the newest member of this family and learn all about the world's largest rodent.

When most people think of Wyoming, they think of larger animals like bison, moose, and pronghorn - but there's another animal found only in this region that's incredibly important - the Wyoming toad.

Learn about the San Diego Zoo's collection of orangutans, western lowland gorillas, and bonobos.

This eagle was deemed "non-releasable" by a wildlife rehabilitator - so now he has a new, very important job.

See how this matriarch of five generations celebrates her 52nd birthday.

Watch a pair of tortoises tear some pumpkins apart, and learn why it's the perfect snack.

In the course of such an introduction, it's normal to come out with a few scrapes.

See what happens when Pygmy hippos and Wolf's guenons interact in one of the world's few mixed species exhibits.

One of the first orangutans to have open heart surgery is celebrating her sweet sixteen.

Follow along with lead keeper Jane Kennedy and see what it's like to work in this vast 1,800 exhibit recreating the African and Asian savannas. Also, learn all about the formidable Indian gaurs which always have keepers on their toes.

Follow along with a rhino keeper as she takes you on a tour of a one-of-a-kind, 1,800-acre exhibit recreating the African and Asian savannas.

Witness the moment panda Bai Yun's sixth cub entered the world.

Learn about one of the San Diego Zoo's rarest residents, the Amur leopard.

Get an up-close peek at an exhibit that recreates the natural granite kopjes of the African savanna, and its furry residents.