Part of the massive Tongass National Forest, Admiralty Island in Southeast Alaska supports the largest concentration of bears anywhere in the world. Sustained by a wealth of salmon streams, isolated and protected by their environment, some 1,700 Alaskan brown bears are part of a unique circle of life that has played out here for centuries.

Veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg travel to South Africa's KwaZulu Natal Coast, where the body of a giant white shark weighing in at over 2,000 pounds and measuring almost 15 feet has been pulled up. It presents an international team of experts with a rare opportunity to explore this hunter's anatomy to find out how it has evolved into the oceans most feared predator.

Traces the evolution of cats from their beginnings on the Asian continent to their introduction into the Americas, taking an in-depth look at what makes the family of felines unique and the evolutionary tricks and adaptions that truly make a cat, a cat.

Most wildlife documentaries focus on animal behavior, but Inside Nature's Giants goes inside the largest animals on the planet to explore their anatomy, reveal their intricate inner workings and uncover their evolutionary secrets. In this episode, veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg fly to New Zealand to join a team of experts dissecting a rare specimen of giant squid and a bizarre octopus that inhabits the ocean's...

Part 1, The rise of the dog, examines the relationship between dogs and humans, from their initial domestication to the present day. Part 2, Dogs by design, examines the many different breeds of dogs, and how modern technology is changing the science of dog breeding.

What actually makes owls so special? Bird trainers Lloyd and Rose Buck and their very special family of owls provide a rare opportunity to learn more about these unique birds. Using the latest technology, we can take a brand new look at owls in more detail than ever before. The real stories behind how they hunt, how their vision and hearing works, and how they fly so silently are influencing 21st century technology and design.

Land of the falling lakes: Visit Plitvice Lakes National Park in Croatia, a hidden wonder of 16 crystal-clear lakes, waterfalls, rare and remarkable creatures. Ireland - Portrait of the Emerald Isle, with rare plants, legendary animals, and vistas.

Of all continents on Earth, none preserves a more spectacular story of its origins than Australia. With help from high-energy host and geologist Richard Smith, we meet titanic dinosaurs and giant kangaroos, sea monsters and prehistoric crustaceans, disappearing mountains and deadly asteroids. Epic in scope, intimate in nature, this is the untold story of the Land Down Under, the one island continent that has got it all.

Shows how human desires are an essential, intricate part of natural history. The program will explore the natural history of four plants -- the apple, the tulip, marijuana, and the potato -- and the corresponding human desires -- sweetness, beauty, intoxication and control. This two-hour documentary begins in Michael Pollan's garden, and roams the world, from the fields of Iowa to the apple forests of Kazakhstan, from a medical marijuana hot house...

(Hummingbirds): "Hummingbirds represent one of nature's most interesting paradoxes-they are the tiniest of birds, yet they qualify as some of the toughest and most energetic creatures on the planet. Stunningly beautiful high-definition, high-speed footage of hummingbirds in the wild combined with high-tech presentations of their remarkable abilities help us to understand the world of hummingbirds as we never have before."-- (Birds of the gods): "The...