At the beginning of winter, a filmmaker retires for six months to a hermit's cabin in the middle of the forest, cut off from the world and its means of communication. Through the words of four women she has filmed previously, all of whom have dedicated their lives to different forms of spirituality, she embarks on a mysterious inner adventure, on the edge of solitude and nature. A journey that invites us to connect with the world in a different way.

Trek into the hidden battlefields of northern Botswana where lions and spotted hyenas clash in overlapping territories. With never-before-seen footage, much of it filmed at night, you'll uncover an intense and vicious blood feud that has been waged for millennia. Follow the Southern Clan, led by a powerful hyena matriarch whose firstborn female cub kills her sister at birth to assure her succession as leader of the clan. Lurk in the shadows as a lioness from the Central Pride gives birth to three cubs and then encounters a deadly Egyptian cobra. You'll be stunned by breathtaking chase scenes as the hyena matriarch is brutally killed by a male lion, throwing the clan into chaos. Discover nature's savage conflicts in this ancient rivalry.

An epic journey through the oceanic kingdom of the Atlantic Salmon in an attempt to unravel the mystery of their life at sea. Salmon are plummeting to critical levels. The cause is mortality at sea. For the 1st time, using the latest DNA technology, scientists are tracking the salmon from the rivers into the vast North Atlantic and back again, in hopes of finding an answer before it's too late.

Isolated from the rest of the world since the time of the dinosaurs, New Zealand’s magnificent wildlife has been left to its own devices for 80 million years, with surprising consequences. This series reveals New Zealand’s rich and intriguing wildlife stories, from the bustling communities of penguins hiding away in giant daisy forests to the kakapo – Earth’s only species of flightless nocturnal parrots. New Zealand was also the last place to be discovered and settled by people who brought with them new animals, like merino sheep and new predators like the stoat. Finally the series meets the pioneering conservation heroes who are fighting to save some of its most endangered species.

Once upon a time, there was a pedunculate oak (Quercus robur), born in 1810, 210 years old and a pillar in its kingdom. This spectacular adventure features an extraordinary cast: squirrels, barnacles, jays, ants, field mice... This vibrant, whirring, marvelous little world seals its destiny around the majestic tree that welcomes them, feeds them and protects them from its roots to its crown. A poetic ode to life, in which nature alone expresses itself.

Bluefin is a tale of epic stakes set in “the tuna capital of the world.” In North Lake, Prince Edward Island, filmmaker John Hopkins tries to shed light on a baffling mystery: normally wary bluefin tuna no longer fear humans, and no one is quite sure why. Astonished Island fishermen and scientists offer conflicting explanations for the bluefin’s puzzling behaviour. One thing is certain: this great resurgence of gigantic tuna flies in the face of scientific assessments claiming that endangered stocks are down by 90 percent.

Alaska... Here, in this vast and spectacularly beautiful land teeming with abundant wildlife, discover the "Spirit of the Wild." Experience it in the explosive calving of glaciers, the celestial fires of the Aurora Borealis. Witness it in the thundering stampede of caribou, the beauty of the polar bear and the stealthful, deadly hunt of the wolf pack.

A look at the great wolf debate with comments and views from people on both sides. It also contains footage of Natives dressing up & doing tribal dances. The link between wolves, bison, and Native Americans; as well as white man's reasoning behind their determination to eliminate bison and wolves from the landscape.

An intimate view of the panorama of African wildlife, giving a sense of what it is really like to be there, and in a dramatic climax makes a poignant plea for conservation. Filmed in Zaire, Kenya and Tanzania, the film takes the viewer from deep inside an anthill, to the majestic giraffes suckling their young. African storms, dung beetle ritual dances, duels for supremacy, feeding time, and playtime all end as the animals disappear one by one while the sound of a rifle shatters the existing magic of life. Winner of the Academy Award for Documentary Short Subject, 1976.

Explore the extraordinary hidden world of insects, where a leaf weighs more than a car, rain drops feel like exploding hand grenades and a blade of grass soars like a skyscraper. Shot on location in the Borneo rainforest, Bugs! brings the beautiful and dangerous universe of its tiny stars up close and personal with cutting-edge technology that magnifies them up to 250,000 times their normal size.

An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem. Scientists believe they've pinpointed a cause for the loss of many of the amphibians: the chytrid fungus, which flourishes in high altitudes. Unfortunately, they don't know how to combat it. Included: an isolated forest in Panama that has yet to be touched by the fungus, thus enabling frogs to live and thrive as they have for eons.

These Birds Were Made For Walking Few things are more wondrous than the gift of flight, but some birds have chosen to give it up – the question is, why? Whether it is to save energy, tap into new food resources, or invest in other skills, they all have their reasons.

From polar bears in the arctic tundra to black bears in the Northern Rockies, you'll see some of the most spectacular footage ever shot of these enterprising omnivores. Catch salmon with a group of hungry grizzlies on the McNeil River in Alaska. Crawl inside a den with a mother black bear and her cubs. Learn about the challenges facing each of these species as their habitat diminishes.

This special edition video features some of the most dangerous adventures and incredible crocodile captures that Steve and Terri Irwin have ever made.

The Southern Sea Otter was historically abundant along the California coastline until intense hunting pressures reduced their numbers to near-extinction levels. But now the otters are coming back, and with them they bring the potential for drastic change to the modern-day economics and ecology of the Santa Barbara Channel.

Sea otters are once again in peril after being brought back from the brink of extinction. An unprecedented number of sea otter deaths have occurred along the California coast in the last three years. Meanwhile, the Fish & Wildlife Services decision to eliminate their No Otter Zone from Southern California waters remains controversial. This fragile species threatened by pollution, infectious diseases, starvation, and competition with fishermen struggles for survival.

Tatum Emerson and company debunk Caleb McCarthy's "The Definitive Water Review" with facts, evidence, and STEM knowledge.

They are giants—stretching more than 300 feet above the ground, with hidden gardens and mysterious predators thriving within their canopy. National Geographic reveals the unexplored environment of the California redwoods in an epic, year-long exploration. Obsessive redwood climber Steve Sillett of Humboldt State University explores their massive crowns, discovering new record-breaking trees, while escaping falling branches and crashing trees in the process. Down below, National Geographic Explorer-in-Residence Mike Fay charts the redwood range to size up the past and future of these primeval trees threatened in 21st century California.

There are few places on earth more forbidding and beautiful than Baja, Mexico. 800 miles long and 10 million years in the making, it is home to a punishing desert and the most diverse sea on the planet. Explore amazing ecosystems in the Sea of Cortez and join the hunt with charismatic mega fauna - great creatures that inspire wonder, joy, fear, and awe. From Emmy-nominated producer Michael Watchulonis and Emmy award winning cinematographer Johnny Friday. Captured entirely in 4K over a period of 4 years.