When temperatures drop in Montana, wild bison migrate to lower elevations outside the boundaries of Yellowstone National Park. But once outside, they run the risk of being killed because some carry a chronic disease called brucellosis that ranchers fear could spread to cattle.
Lost Worlds looks at untouched aspects of nature in parts of the world where humans rarely tread. From plants, to animals, to geology, this artfully photographed documentary presents facets of the biological world that you are not likely to see anywhere else.
Costa Rica's motto is Pura Vida - Pure Life - and this deceptively small country is bursting with some of the most spectacular wildlife and pristine ecosystems in the world. All this diversity thrives, in part, thanks to one surprising little creature: hummingbirds. Venture across Costa Rica's wild and rugged landscapes, from volcanic peaks to coastal jungle to misty cloud forests and discover the nation's dazzling diversity of hummingbirds. Watch how these tiny birds play an outsize role in maintaining some of the richest and wildest environments on Earth, where a whole community of creatures, such as macaws and monkeys, enjoys The Hummingbird Effect.
Green lights dance across a star-filled sky, and snowflakes sparkle on the trees. It is little wonder Lapland is famous as a realm of elves and flying reindeer, the magical home of Santa Claus. This northernmost region of mainland Europe, however, is a real place, with real animals such as reindeer, Great Gray owls, wolverines, eagles, wolves, musk oxen and Brown bears who live out their lives in the tundra and forest.
There's a gang war happening in the Luangwa Valley in Zambia, a battle among hippos for territory, dominance, mating rights, and survival. The reason? Dry season: a seven-month drought that forces over 30,000 hippos to the deepest part of the river to stay wet and cool. Follow these three-ton beasts as they fight lions, crocodiles, and other hippo gangs, struggling to stay alive until the next rainfall. Only then can they return to the lush paradise they once called home
Although the mountain volcano Mauna Kea last erupted around 4,000 years ago, it is still hot today, the center of a burning controversy over whether its summit should be used for astronomical observatories or preserved as a cultural landscape sacred to the Hawaiian people. For five years the documentary production team Nā Maka o ka 'Āina ("the eyes of the land") captured on video the seasonal moods of Mauna Kea's unique 14,000-foot summit, the richly varied ecosystems that extend from sea level to alpine zone, the legends and stories that reveal the mountain's geologic and cultural history, and the political turbulence surrounding the efforts to protect the most significant temple in the islands: the mountain itself.
Deep Blue is a major documentary feature film shot by the BBC Natural History Unit. An epic cinematic rollercoaster ride for all ages, Deep Blue uses amazing footage to tell us the story of our oceans and the life they support.
A look at the extraordinary abilities of squirrels, from the brainy fox squirrel to the acrobatic gray squirrel to the problem-solving ground squirrel.
Wildlife photographer Richard Sidey joins an international team of whale research scientists in Antarctica to document their work on how Humpback Whales are adapting to a changing ocean.
Sir David Attenborough narrates a documentary about the Kea, the world's only alpine parrot. Playful and destructive, it attacks cars, starts landslides and terrorises New Zealand ski resorts but behind the bad behaviour there's a sharp mind at work. David tries to play chess with a kea and discovers how its cheeky character is the key to its survival.
Two teenagers and their adventures in the breathtaking scenery of lake Saimaa.
Genuine connections between children and nature can revolutionize our future. But is this discovery still possible in the world's major urban centers? The new chapter of "The Beginning of Life" reveals the transformative power of this concept.
Inspired by the spirit of adventure of early explorers like St Brendan the Navigator, Irish underwater cameraman Ken O’Sullivan voyages out into the open North Atlantic in search of the great sea monsters described in the explorers’ early texts which may well have been large whales. Over the course of the film, such encounters reveal how enlightenment and awareness dispel the myths and damage of the darkness of our historic perceptions.
Covenant of the Salmon People is a documentary portrait of the Nez Perce Tribe’s ancient covenant with salmon. The film follows their efforts to uphold this ancient relationship as dams and climate impacts threaten one of the cornerstones of their culture.
As wolves repopulate Washington, conflict is heating up with rural ranching communities. Daniel Curry’s job is to patrol wild areas on horseback, creating a buffer between wolves and the cattle herds that graze on public lands. Whenever these wild carnivores are suspected of killing livestock, the consequences can be fatal. As illegal poaching and state-sponsored kills take a heavy toll, can Daniel prove that coexistence between ranchers and wolves is possible?
This special feature showcases the intricacies of monitoring tigers in India and highlighting the positive impact on their global population.