Males can weigh more than 2,000 pounds!

See how the "ecosystem engineers" build the burrows that the owls live in.

Meet the members of this giraffe "tower," and their friendly caretaker.

Capuchin monkeys have the largest brains of all New World monkeys. Meet all the members of this group and learn what their roles are.

Meet the water birds of the San Antonio Zoo and learn the difference between the different species of pelicans.

Why this is uncharted territory for zookeepers.

Hint: it's a species that hails from Africa, where its name derives from.

Learn all about the reindeer weaning process at the San Diego Zoo, and why this little guy is right on track.

Capuchin monkeys have the largest brains of all New World monkeys. Meet all the members of this group and learn what their roles are.

See how the "ecosystem engineers" build the burrows that the owls live in.

Conservation specialists relocated a group of owls to an ecological preserve away from human development - but "phase 2" involves bringing in some California ground squirrels.

After a long day of wrestling, chasing each other, and digging... the four meerkat pups were ready for a snooze.

Males can weigh more than 2,000 pounds!

He does all the heavy lifting - literally.

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.

You may know a lot about your faith, but did you ever take the time to get to know your clergy leaders? Although we look to them for religious and spiritual guidance, we often overlook the human spirit that lies underneath the robes!...

Join the San Diego Zoo's Olivia Degn in tracking down the largest member of the deer family.

Capuchin monkeys have the largest brains of all New World monkeys. Meet all the members of this group and learn what their roles are.

It's uncharted territory for zookeepers, as this is the only Silverleaf Langer they've had to assist with rearing.

Learn all about these social, water-loving leaf eaters.

Conservation specialists relocated a group of owls to an ecological preserve away from human development - but "phase 2" involves bringing in some California ground squirrels.

Zookeepers check in with his progress at the end of his weaning.

Meet the members of this giraffe "tower," and their friendly caretaker.

15 capuchins make up this diverse group, and they're a barrel of fun to watch.