Size Matters

An animated globe named Spin whisks kids around the world, teaching them about animals and their habitats.

David Attenborough reveals the surprising truth about the cold-blooded lives of reptiles and amphibians. These animals are as dramatic, as colourful and as tender as any other animals.

Deep in the Gulf region is one of the world's last great wildernesses - a mysterious and magical landscape hidden to the world for decades. Observe the dramatic and varied geology and extraordinary wildlife in the world premiere of 'WILD ARABIA'. With unparalleled access, Animal Planet takes viewers to the crossroads of three continents to a clandestine kingdom of rich culture and breathtaking beauty. Once the trade hub of the ancient world, Arabia has transitioned into a secluded splendor where the modern world brushes up against a vast and ageless sweeping terrain. Feast your eyes on the scenic and sculptural sand dunes of Saudi Arabia and Oman, which are populated by camel trains and elegant white gazelles. Discover the scores of undersea volcanoes in the deep trenches off the coast of Yemen, and uncover the secrets of the Tigris-Euphrates River Delta.

Walking With Prehistoric Beasts explores how life on earth first began. Using real footage, the series goes inside the body of our monster ancestors. For the first time, morphing technology is used to reveal how our ancestors evolved.

There is a remarkable zoo in Nebraska that has enclosed its entire grounds and flipped night for day, allowing visitors to experience nocturnal animals in their natural habitat, when the animals are awake. In California, a zoo allows cheetahs to engage in free-roaming hunts. Another encourages rare, nearly extinct species to breed. This documentary is a close-up, behind-the-scenes look inside the world’s most fascinating and animal-friendly zoos.

Through unprecedented access we showcase the spectacle that is Wild Russia. From east to west, via mountains, volcanoes, deserts, lakes and Arctic ice, this breathtaking six-part series uses stunning cinematography to chart the dazzling natural wonders of this vast country.

Follow Tia Torres, founder of Villalobos Rescue Center, and her family as they rehabilitate both felons and ill-reputed pit bulls who come together to rescue one another from their dim pasts, and bring new meaning to life.

A series of very short films inspired by the amazing and often bizarre sexual practices of insects and other creatures.

Hawking gives us the ultimate guide to the universe, a ripping yarn based on real science, spanning the whole of space and time -- from the nature of the universe itself, to the chances of alien life, and the real possibility of time travel.

Biologist Patrick Aryee and physicist Helen Czerski go beyond the limits of human perception to explore the extraordinary and surprising world of animal senses.

The first months of an animal's life are crucial - if they lose their mothers, they'll need help. Meet the wild orphans getting a second chance, and those devoted to saving them.

Professor Alice Roberts journeys 40,000 years back in time on the trail of the great beasts of the Ice Age. This was the last time that giants like mammoths, woolly rhinos, and sabre-tooth cats ruled the Earth and Alice attempts to reconstruct their lives in incredible detail.

Three-part series that looks at a year in Alaska, revealing the stories of pioneering Alaskans, both animal and human, as they battle the elements and reap the benefits of nature's seasonal gold rush.

Best friends come in all shapes, sizes, and species, from America to Australia, and from Britain to Zimbabwe. This six-part series looks at the cutest, funniest, and least expected animal relationships in the world, featuring animals that shouldn't get along but, for whatever reason, make their special bonds work. Join us as we travel the globe to meet an orphaned rhino calf and her dog and sheep companions, an orphaned baby kangaroo and a wombat, a zebra-donkey hybrid and two camels, and many more unusual but amazing friendships.

Through the prism of Jeff Goldblum's always inquisitive and highly entertaining mind, nothing is as it seems. Each episode is centered around something we all love — like sneakers or ice cream — as Jeff pulls the thread on these deceptively familiar objects and unravels a wonderful world of astonishing connections, fascinating science and history, amazing people, and a whole lot of surprising big ideas and insights.

Shot from land and air, in trees and cliff-blinds, on ice floes and underwater, this documentary tells the powerful stories of many of the planet's species and their movements, while revealing new scientific insights with breathtaking high-definition clarity and emotional impact. The beauty of these stories is underscored by a new focus into these species; fragile existence and their life-and-death quest for survival in an ever-changing world.

Birds Britannia is a four-part BBC Four television series about the birds of the United Kingdom, first shown in 2010. It was produced by Stephen Moss. Each of the four, sixty-minute episodes concentrates on one kind of bird: garden birds, waterbirds, seabirds and birds of the countryside. The series has no presenter, and is narrated by the Scottish actor Bill Paterson, with filmed interviews with a wide range of experts and bird enthusiasts, including David Attenborough, Mark Cocker, Jeremy Mynott, Tim Birkhead, Jane Fearnley-Whittingstall, Christopher Frayling, Kate Humble, Rob Lambert, Desmond Morris, David Lindo, Helen Macdonald, Andrew Motion, Tony Soper, and Bill Oddie. It has been announced that a book of the same title, by Stephen Moss, will be published by Collins in April 2011.

Documentary revealing the weird and wonderful stories of some of the natural world's most incredible parents.

This delightful new series gets under the sometimes leathery skin of our animal friends, exploring how we live with them, care for them and also rely on them to protect and defend as well as comfort us in our time of need. The series also takes a look at the individual personalities of our beloved pets, including the way in which they communicate and how they cope with domestication, as well as exploring some of their quirkier moments.

Members of the Florida Fish and Wildlife Commission invite you to join them for the ride as they defend against the many ecological threats facing our planet's future. See environmental crime enforcement like you've never seen it before. Watch as the FWC rolls out specialized equipment and a team of highly trained law enforcers who will wage a war against reckless citizens who abuse and threaten Florida's natural preserves.