Iconic Australian animal arrivals make quite an impression with their unexpected screeching; a rare mountain goat birth is observed.

A 44-year-old orangutan has the biggest birthday bash of the year at the zoo.

An Asian takin calf hangs on for dear life; a very grumpy tiger arrives at the zoo.

Staff members at Columbus Zoo and The Wilds count down the days until spring.

The Columbus Zoo and Aquarium makes room for three adorable new cheetah cubs.

Phoebe the elephant goes into labor; Aurora the polar bear gets a root canal.

A penguin stuck in molt for a year has hopefully seen the last of his bad hair days.

Rory the duck, Krypto the onager, and Unga the bonobo are given a whole new lease on life; Zucchini the beaver has a gigantic tooth problem.

An ornery ostrich refuses to get its shots; a pregnant rhino prepares to give birth; a beloved nanny goat fights for its life.

At the Columbus Zoo, keepers form extraordinary bonds with the animals in their charge.

With nearly 6,000 veterinary cases and well over 100 births each year, the team at the Columbus Zoo has no shortage of incredible drama.

Baby fever spreads, as a cheetah repopulation program goes into full effect.

The team hits the coasts for animal conservation, returning two rescued manatees to their native waters.

The staff at the Columbus Zoo can hardly contain itself as it prepares to make a home for an orphaned baby gorilla.

Doctors rush to save a cheetah; rescued macaws get a new life at the zoo; polar bear cubs go off the deep end.

The keepers make their early morning breakfast rounds at the Heart of Africa exhibit.

Everyone at the zoo awaits the birth of Zuri the giraffe's baby.

The staff throws a polar bear party; Priya works with her husband on a shark exam.

A 600-pound manatee named Agua is released back into the wild after years at the zoo.

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Tiger cubs take on new turf; an orphaned baby manatee is rescued from the wild; a male oryx makes his move on a herd of females.

Located just 10 miles from New York's Times Square, the Bronx Zoo is a recognized world leader in animal care and species conservation. It houses more than 6,000 animals and has a staff of 500-plus people dedicated to the animals' care and well-being. Never before have camera crews been granted full access to the 265-acre campus, until production of the docuseries "The Zoo." The results are stories focusing on dozens of animals and experiences at the facility, and its critical mission to conserve wildlife around the world. This companion series, subtitled "Bronx Tales," presents footage not seen in original episodes.

Located just 10 miles from New York's Times Square, the Bronx Zoo is a recognized world leader in animal care and species conservation. It houses more than 6,000 animals and has a staff of 500-plus people dedicated to their care and well-being. Never before have camera crews been granted full access to the 265-acre campus, until production of the docuseries "The Zoo," which was filmed over eight months. The results are stories focusing on dozens of animals and experiences at the facility, and its critical mission to conserve wildlife around the world. Episodes also highlight various employees and how their expertise and skills help provide top-quality care for the animals.

Chester Zoo is one of the most popular wildlife parks in Great Britain, attracting more than 1.8 million visitors annually. Through the use of cameras equipped with the latest technology, this program takes viewers behind the scenes of the zoo, capturing animal behavior close up, as well as the relationships the animals share with their keepers. Memorable scenes filmed over the course of the series include the birth of a baby giraffe, a pregnant viper getting X-rayed, chimps battling for dominance, and a red panda giving her partner the cold shoulder.

Animal Planet adds to its staple of Colorado-based veterinary shows with one that follows the Henderson family practice in Lakewood. The Fox Hollow Animal Hospital was founded by Dr. Tony Henderson in 1996. It now includes Tony's sons Dr. Ross and Dr. Ryan and technician assistant Cole, plus the extended clinic family and numerous pets, including Tony's beloved golden retriever and sidekick, Lord Barrington. Drama and high stakes at the clinic with animals are part of the daily routine for this dynamic family, but so are jokes, laughter and love.

"The Zoo: San Diego" provides a behind the scenes look at the daily lives of various species of animals and the teams that care for them. Featuring two parks, the San Diego Zoo and the San Diego Zoo Safari Park, as well as the San Diego Zoo Institute for Conservation Research, San Diego Zoo Global is home to more than 700 species and 6,500 animals. A wide range of animals are introduced, including pandas, giraffes, Galapagos tortoises, koalas, elephants, mountain lions, two baby cheetahs that are learning how to be ambassadors for their species and a flock of ostriches known as the "Spice Girls." Besides the animals, the keepers and veterinarians at both the Zoo and the Safari Park -- many of whom have dedicated their lives to caring for animals, discuss what it's like to be a part of this world-renowned zoo.

Carrying on late wildlife conservationist Steve Irwin's mission to bring people closer to animals is now the mission of his family. Terri, Bindi and Robert Irwin return to Animal Planet, giving viewers access to their wildlife adventures around the world and the amazing animals that continue to inspire their conservation efforts. The series features the family caring for more than 1,200 animals at the Australia Zoo; overseeing a world-class wildlife hospital, the largest of its kind in the world; and conducting high-level global expeditions.

Exploring the animals at Columbus Zoo's The Wilds conservation park in Ohio.

Known to many TV viewers as the "Bondi Vet" for his work on that Australian series, Dr. Chris Brown is back for more adventures as he tries to improve the lives of animals that would otherwise have no one. This time he travels to some of the most remote and exotic places on the planet, working with a global network of animal advocates requesting his expertise to give care to an incredibly diverse range of species. From operating on endangered rhinos in Africa, saving sick wombats in Tasmania, freeing fur seals trapped in fishing line on Australia's Phillip Island, rescuing dogs from the meat trade in Southeast Asia, and helping orphaned sloths in Costa Rica, there is no animal too big or too small that Dr. Chris won't help. Each episode concludes with a follow-up several weeks later to check the progress of the animals he treated.

From the creators of the real-time law enforcement series "Live PD" comes a version for animal lovers. It captures the fast-paced drama and intensity of a hospital procedural mixed with the unbreakable bonds between pets and their owners. Host Mark Steines ("Entertainment Tonight") is joined by veterinary experts in the studio to guide viewers through each episode, giving commentary on what is seen at featured animal hospitals and mobile vet clinics around the country. Cameras trail teams of emergency veterinarians and specialists as they work tirelessly through the night to save the lives of pets. The series also accompanies on-call vets to homes and farms to treat animals that are too sick or too big to travel.