The Ultimate Guide: Snakes

Preparation of "spawn" for commercial mushrooms, which grow to the tune of "You Came Along." Also: extraction & uses of snake venom; personal dress forms; a Frank Lloyd Wright building in Racine, Wisc.

A race is on to save Gabon’s Moukalaba-Doudou National Park and the silverback gorillas that call it home. Once, this area was protected by a thriving oil industry, but now, big companies are moving out and the logging industry is poised to move in. Ecotourism could be the only way to prevent the trees of this rainforest from coming down, but a team of conservationists needs to make the gorillas of Gabon tolerant of humans first. Follow them as they get up-close with the gorillas, study their moves, and journey to war-torn Central African Republic to learn the secrets of successful gorilla habituation.

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Join Australian Museum and UNSW Sydney PhD Candidate and Nat Geo Explorer Tim Cutajar as he searches for the feared-extinct Southern Gastric Brooding Frog (Rheobatrachus silus) in the Sunshine Coast hinterland. Using environmental DNA, Tim and the team are trying to detect any trace of this species, which has been missing since the early 1980s. Taking samples from water, air and frog-biting, blood-sucking flies, the team are trying to forensically detect this missing species.

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Kangaroos: Faces in the Mob is a documentary that follows award-winning Australian filmmakers Dr. Jan Aldenhoven and Glen Carruthers as they live with a mob of Eastern Grey Kangaroos in the Australian bush.

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In the heart of the Jura mountains, a call resounds through the forest. The silhouette of a Eurasian lynx creeps through the trees. A male is looking for its mate. Suddenly a call answers back. It is the beginning of the story of a lynx’s family we will follow over the seasons. While it is rare to come across this private feline, it is exceptional to discover its daily life in the wild.

After five years in the making, Carlo Ferraro presents this documentary on neotropical birds, with insights on flying, reproduction, and much more.

Gombessa Expedition 3 Protected by an international treaty Antarctica has been spared the effects of hunting and fishing. But signs in ice’s cyclical patterns and its biodiversity have become worrying. Connected to the planet’s global ecosystem via atmospheric circulation and ocean currents, this white haven is suffering the effects of human activities. To document and explain what is unfolding in Antarctica, photographer, diver, and marine biologist Laurent Ballesta and photographer of extreme environments Vincent Munier will be blending their artistic perspectives of a rapidly changing continent. Laurent will tackle technical and human prowess below the ice to bear witness to its remarkable underwater life. His photographs will advance knowledge on Antarctica’s unique and little-known biodiversity. On land, his eye riveted to the lens of his camera, Vincent captures snapshots of life in an Emperor Penguin colony.

An enthralling film about the life of emperor penguins in the South Pole. Narrated by Sergey Obraztsov, the head of the Moscow Puppet Theater.

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A coming of age story following a young meerkat pup, Kolo, growing up in the Kalahari desert; and an inspiring look at how one family's connection to each other and their surroundings is a model of resilience and fortitude for us all. Shot using ground-breaking techniques, this dramatised documentary is a one-of-a-kind presentation from The Weinstein Company and the BBC, featuring narration by Paul Newman.

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Pangolins are unique, bizarre, adorable creatures, but due to the demand for their scales on the illegal market, they’re also the most trafficked animal in the world. To turn the tide, wildlife veterinarian Elias Mubobo knows the solution rests in the hands of the local community — many of whom have never seen a pangolin in the wild.

See the world's first MRI scan of a great white shark as Ultimate Shark reveals the extreme engineering and predatory abilities of one of nature's most near perfect predators. Hear firsthand accounts of people who survived harrowing encounters, including a surfer who was bitten on the arm and leg, towed by the surfboard ankle strap and miraculously escaped only with minor injuries. National Geographic demystifies the true motives and power behind their behavior.

Wildlife filmmaker Sigurd Tesche delves into the mysterious world of the moray eel to reveal the secrets of this supreme underwater predator and the truth behind its ugly reputation.

In the most rural and forgotten stretches of the Southeastern United States lies an ecosystem that once spanned across 90 million acres. The Longleaf Pine Savannah... this ecosystem holds biodiversity that can be found nowhere else in the world. One of the species being the Eastern Indigo Snake (Drymarchon couperi). In this documentary, the Caveman Wildlife Crew will take you into the world of Longleaf Pine Savannas and Eastern Indigo Snakes along with the Orianne Society and the Orianne Center for Indigo Snake Conservation. These two organizations are doing incredible conservation work to save Longleaf Pine Savannah Ecosystems and Eastern Indigo Snakes. You'll get to meet some amazing people working at these organizations and the work they do for conservation.

Coral reefs are believed by many to have the highest biodiversity of any ecosystem on the planet. A lot of the life found here can seem very alien at first, they occupy less than 1 percent of the ocean floor but yet are home to more than 25 percent of all marine life. Warm water reefs typically come to mind when thinking of the Pacific Ocean and the Caribbean Sea, these reefs are very well known but they don’t just occur in warm waters. In this one hour special, we are brought into this alien environment and discover for ourselves a strange, hidden world that is simply abundant with life, ranging from the weird to the wonderful.

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting nectar, ladybugs eating mites, snails mating, spiders wrapping their catch, a scarab beetle relentlessly pushing its ball of dung uphill, endless lines of caterpillars, an underwater spider creating an air bubble to live in, and a mosquito hatching.