Queens Zoo keepers head out for a midnight study to find out what makes their zoo such a hot bed for bat activity.

Senior keeper Kris Theis shows us how the zoo prepares bloodsiciles for tigers using animal blood.

Join the zoo's animal commissary keepers on their night shift as they show how they manage and deliver thousands of pounds of food and feed needed for daily operation.

Officials from the Bronx Zoo and Wildlife Conservation Society joined thousands of others to protest the ivory trade by crushing more than two tons of goods made out of elephant tusks.

As the Bronx Zoo staff awaits the arrival of a new baby alpaca, the public also gets to see the sight of the amazing birth.

The staff at the Bronx Zoo is training a baby Rodrigues fruit bat to fly to designated locations. It's proving harder than it looks.

Raising poison dart frogs from tadpole to adulthood takes a lot of TLC. Here's an inside look at how a keeper does it all.

Training snow leopards to take eye drops is as challenging as it sounds. But the staff at the Bronx Zoo is up to the task.

It's time to move the Waldrapp Ibises to another zoo! Getting it ready for transport takes a little bit of effort, though.

A baby klipspringer is born and miraculously nursed back to health.

A koala is ready for a mate, and Jaws the tortoise isn't feeling well.

There will be no peace for the baboons until Impo finds a mate.

Keepers prepare a black rhino for a new life on the African Plains exhibit.

The zoo says goodbye to mother and cub pandas that are returning to China.

After six years away, Mek the tiger returns to the Zoo. Two shy tree kangaroos, Spike and Polly, meet for the first time. And, with the Children's Zoo under construction, the keepers have to move over 100 animals, including a herd of reluctant goats.