
A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Scientists at Taronga Zoo must teach a rare bird its natural mating song.

With more than a thousand carnivores living at Taronga Zoo, the zoo's only butcher, Karlin, makes his way through the zoo while chopping. A yellow-bellied sugar squirrel is rushed to the Taronga Wildlife Hospital.

A penguin with a serious leg injury is brought in for rehab at Taronga Zoo.

Taronga's newest vet, Jess, gets a first-hand view of just how varied this job can really be; the critically endangered booroolong frog gets a second chance at life; Dr. John Martin helps save flying fox colonies in the wild; a rehabilitated fur seal finally returns home.