Zoo staff embark on an ambitious, year-long undertaking in an effort to help Naomi the chimpanzee overcome a complicated medical condition in the hope of finally becoming a mother.

Taronga Zoo's new African Savannah Precinct welcomes its residents.

Two squirrel monkeys arrive in Taronga with a clear goal - to mate with as many females as possible; unfortunately, it all ends with a broken jaw and a visit to the hospital; Keeper Jordan talks about his special bond with a cheetah.

Injured koala Malakai enters the zoo's breeding program; a baby crocodile enjoys some treats; a lesser-known Australian marsupial gets a second chance.

A lemur's sunbathing leads to concerns about his health. A baby hippopotamus is born at the Western Plains Zoo in Dubbo.

The worldwide pandemic halts inter-zoo transfers, leaving Taronga with too many Sumatran tigers. An injured seal arrives at the wildlife hospital.

Nala, the Australian sea lion, gives birth to a healthy pup! The zoo prepares to welcome zebras to the African Savanna exhibit.

After years away, the king of the jungle returns to Sydney Harbor. And Taronga's Wildlife Hospital treats injured green sea turtles.

Koalas, lions, siamangs, and others compete for the most boisterous bellow.

Taronga Zoo's rehab teams bring injured wildlife back from the brink.

The red kangaroo alpha male Malu has trouble eating and gets help from the mobile hospital team; the expected shipment of baby animals arrives.

Taronga Zoo's keepers care for some of the cutest critters in the park.

Taronga Zoo's weird and wonderful creatures get the care they deserve.

Taronga Zoo staff work to save the Tasmanian devil from a deadly disease.

Taronga Zoo's animals travel to, from, and around the world-class facility.

A celebration of the unsung heroes of Taronga Zoo: insects.

Veterinarians at Taronga Zoo's wildlife hospitals work to cure their furry friends.

Pairing endangered parrots for breeding is more complicated than it seems.

Vets race to nurse a malnourished platypus back to health.

Keepers show off Taronga's terrific turtles.

The keepers guess how many cubs Mayah the lioness will give birth to.

Two of Taronga Zoo's gorillas will be anesthetized for their checkups.

After weeks of training, keepers prepare an elephant for x-ray imaging.

An injured barn owl arrives at Taronga for treatment. Keepers say goodbye to beloved sun bear Mr. Hobbs.

Keepers learn that one of the bilbies has a joey in its pouch. Arrangements are made for the baby’s arrival.

Keepers and maintenance staff must make space for an uninvited resident that loves making a mess.

To bring Amala the red panda to the animal hospital for treatment, vets must dart her from afar. But can they bring her down safely from the treetop?

Before Taronga’s five new lion cubs can make their public debut, they must pass their medical checks and meet their father, Atto.

An injured baby echidna is brought to Taronga for rehabilitation. Keepers hand-raise it for a year before releasing it to the wild.

Keepers hide tasty treats in puzzles for the snakes and lizards to discover. This type of enrichment showcases the reptiles’ natural behaviors.

The complicated task of feeding all of Taronga’s residents falls on the zoo’s nutrition officers.

A dental dilemma for Daphne the bunny.

Scientists teach a rare bird its natural mating song.

Taronga Zoo's only butcher goes through his busy day.

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

In order to ensure their survival, researchers study bats.

In one of the biggest vet procedures ever performed at Taronga Zoo nearly thirty staff and specialists are involved in the risky sedation of their 5.5 metre tall giraffe Jimiyu.

Two gorillas are at the hospital as a pair of lions is getting acquainted.

A king cheetah has slowed down, and 97 turtle hatchlings return to the sea.

A takhi hoof trim takes a scary turn, and a male monkey needs some space.

A mystery lump on Ras the camel's ear has everyone stumped so it's time to investigate; the team find themselves in the middle of a life and death struggle to save an eastern long neck turtle with a fishhook stuck down its neck.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes in to the hospital after narrowly surviving an eagle attack; a mission to Norfolk Island to save one of the world's most endangered species from extinction.

A wild koala has an unknown illness, and a new sea lion arrives at the zoo.

Taronga's free flight bird experience is a favourite with visitors, but it can take months of training to ensure the birds are happy to take part and don't fly away when they have the option to.

After a 16-month gestation, Kufara, the 13-year-old black rhino, has gone into labour with her second calf.

The mating song between a white-cheeked gibbon pair was a joy to hear, but when Taronga's female gibbon, Nellie, died six months ago, the male, Kayak, went silent.

Lioness Maya has a fractured tooth, leading to a potentially life-threatening abscess. Taking a 160-kilogram cat to the dentist requires a team effort.

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.

Abandoned koala joey Gracie proves to be the cutest possible housemate to foster mother and keeper Annii, who has taken on her 24-hour care with a maternal flair.

Jacob learns about managing the coexistence of savannah animals; zoo staff face challenges during a health check of two kangaroos.

All-hands-on-deck to try and save a six-month-old platypus; a breeding pair of Galapagos tortoises; in a breeding attempt with a little more speed, cheetah Liberty is tested for ovulation after mating.

The team undertake one of their biggest challenges and do health checks on all 21 chimpanzees; in Dubbo, a lace monitor with a suspected head injury is brought to the wildlife hospital.

A behind-the-scenes look at running Taronga Zoo Sydney, Australia's largest zoo, located on Sydney Harbour's shores.