Zookeepers at the San Diego Zoo integrate Jewel, an Asian elephant with some health issues, into the Elephant Odyssey exhibit.

The San Diego Zoo rescued the herd from Swaziland in 2003.

Because elephants are so intelligent, it actually makes training them more of a challenge. Follow along as animal handlers prepare for one big move.

Trace the connection between these unlikely animal relatives along with San Diego Zoo's Olivia Degn.

Learn all about Asian and African elephants, and how zookeepers integrate new elephants into the habitat.

The zoo is celebrating its 100-year anniversary in a big way.

The San Diego Zoo celebrated its 100-year anniversary in a big way.

The elephants were located to the state-of-the-art Elephant Odyssey, which is much, much bigger than their previous exhibit.

Making sure animals stay healthy is a top priority at Utah's Hogle Zoo. Sometimes, that can be a real challenge.

Like most of the zoo's calves, the baby got up quickly - within minutes of being born. See what milestones zookeepers are looking for next.

Also, learn how a baby elephant's diet can see them putting on close to 100 pounds in just 4 days.

Regular checkups help keep everybody healthy - but for elephant keepers, that's a really BIG job.

Positive reinforcement helps to build a positive relationship between an animal and its keeper. But sometimes, it's not so easy.

The elephants were located to The Harry and Grace Steele Elephant Odyssey, which is much, much bigger than their previous exhibit.

Zookeepers at the San Diego Zoo integrate Jewel, an Asian elephant with some health issues, into the Elephant Odyssey exhibit.

The San Diego Zoo rescued the herd from Swaziland in 2003.

Because elephants are so intelligent, it actually makes training them more of a challenge. Follow along as animal handlers prepare for one big move.

See how the San Diego Zoo Safari Park manages some of its larger residents.

The zoo celebrated its 100-year anniversary in a big way.

Curtis Lehman, elephant care manager at the San Diego Zoo Safari Park, describes the night he was born. Also, get to meet the whole family.

Learn all about the Reteti Elephant Sanctuary and see what sort of work is done at the site's first clinical lab.

Regular checkups help keep everybody healthy - but for elephant keepers, that's a really BIG job.

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

See how zookeepers are celebrating the one year anniversary of Mila's arrival, and why it's such an important milestone.