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 on one of the coldest nights of the season and is miraculously nursed back to health. The California condor team at the Safari Park goes to unbelievable lengths to save this highly endangered species.

Hunter the koala is ready for a mate. Jaws the Galápagos tortoise isn't feeling well, and the zoo staff works to bring him out of his shell. The Safari Park has not one but two baby giraffe calves that need to be hand-reared simultaneously.

There will be no peace in the world for the hamadryas baboons until Impo finds his mate; luckily, the San Diego Zoo keepers have a plan. Two young cheetah cubs are training to become animal ambassadors with the help of their experienced canine guide.

Two adorable tiger cubs have outgrown their keepers and need to move to the adult exhibit. A gorilla receives pioneering treatment to curb his worsening eyesight. And a passionate keeper plays matchmaker to a peculiar pair of birds.

A tomistoma, a freshwater crocodilian, stops laying eggs and needs immediate care. The veterinary team has to rescue a baby antelope that isn't getting the care it needs from its mother. And Mert the Goose takes a field trip.

The future of the American Bison depends on a high-stakes race across the country. Reptile staff have their hands full with a diamond rattlesnake that needs to be medicated orally. A pair of cheetahs are trained to walk the grounds.