Natural World visits the Arizona desert, where a new honey ant queen wages an intense battle for survival as she attempts to build and defend her empire. Eliminating rivals with ruthless efficiency, sacrificing thousands in her quest for domination, murder, cannibalism, genocide - she will do anything to keep her crown. Empire of the Ants is the epic story of one honey ant queen\'s dramatic rise to power - her brutal fall from grace.

Deep in the rainforest of Central Africa lies an elephant oasis - a remarkable place that holds the key to the future for Forest Elephants. Over the last 20 years, Andrea Turkalo has been studying these enigmatic giants, getting to know over 4,000 intimately. She has begun to unravel the secrets of their complex social lives and the meanings of their unique vocalisations. New acoustic research is shedding light on the many mysteries that still surround forest elephant society.

A mother grizzly bear brings up her two cubs in the wilds of Alaska. She must keep them safe from prowling males, teach them to hunt and prepare them to survive the savage winter.

This stunningly beautiful film reveals the unique wildlife of the Scottish Highlands, seen through the eyes of film-maker Fergus Beeley. Based for a year at Loch Maree and the surrounding hills in Scotland\'s far north-west, Beeley presents his personal view of the shy animals whose lives are ruled by the rains. He follows the fortunes of rare black-throated divers and white-tailed sea eagles.

A preview of Natural World: Jungle Gremlins of Java, showing some of the mysteries that make this primate so special.

The wild Hamadryas Baboons of Ethiopia have a friend in biologist Mat Pines, they even pick the nits from his hair. He's been studying and living with them for five years in the remote and arid Awash National Park.

This is the moving true story of a man who came to New Mexico in 1893 to kill a wolf but ended up saving the American wilderness instead. Ernest Thompson Seaton's epic duel with the wolf that he called Lobo became a pivotal moment in American history. Based on the personal diaries of Ernest himself and incorporating dramatic early footage, this film presents the methods he used to track wolves and to finally catch the big prize, Lobo himself.

Pure white lemurs called silky sifaka live in the remote rainforests of Madagascar. They are one of the rarest animals in the world. Now a passionate scientist joins forces with an undercover detective to investigate whether there is a link between these endangered lemurs, illegal logging and expensive guitars in the USA.

Tiger experts in Bangladesh have a problem: how can they encourage local people to protect the beautiful and endangered Bengal Tiger when these animals have developed a taste for human flesh?

From the giant King Cobra to the tiny sawscaled viper, India is home to many of the world\'s deadliest snakes. Now a new report has revealed that India is in the middle of a snakebite epidemic of epic proportions, with a loss of human life far in excess of any official figures.

This moving film reveals the differing fortunes of a mother polar bear and a mother grizzly bear, and their new-born cubs, in a rapidly-changing world. The shrinking Arctic ice may be making life much tougher for polar bears, but it is offering new opportunities for grizzly bears to the south.

In deepest Borneo, a remarkable young Frenchman called Chanee is combining his love of music and his passion for gibbons. These magical singing apes of the rainforest are in danger of extinction and to help save them, Chanee has set up a rescue centre, and become the world expert at matchmaking gibbons. Only when a pair has successfully bonded can they be released back into the wild.

Wildlife documentary. How does a chimpanzee see the world? A research project at Edinburgh Zoo is designed to answer just that question in an innovative new way - by training chimps to use video touch screens and giving them a special chimp-proof camera. How will they react to tools which in evolutionary terms are a few million years ahead of them?

Documentary looking at the wildlife of the most stunning mountain range in the world, home to snow leopards, Himalayan wolves and Tibetan bears. Snow leopards stalk their prey among the highest peaks. Concealed by snowfall, the chase is watched by golden eagles circling above. On the harsh plains of the Tibetan plateau live extraordinary bears and square-faced foxes hunting small rodents to survive.

Wildlife documentary following the search for grizzly bears in the beautiful Cascade Mountains of Canada. Wildlife filmmaker Jeff Turner has spent a lifetime tracking grizzly bears around the world, and now he has come home to spend a year in the mountains of his youth to discover if the grizzly is still surviving in this beautiful area of British Columbia.

The harpy eagle is the most powerful bird of prey in the world, plucking monkeys from the branches of the jungle canopy. Rare and elusive, they are seldom seen, but with the discovery of a harpy nest in the remote Orinoco rainforest of Venezuela, wildlife film-maker Fergus Beeley has a unique opportunity to follow the life of a chick from birth to adulthood.

The pygmy hippo is one of nature\\\'s last great mysteries. Solitary, secretive and extremely hard to find, scientists know almost nothing about this endangered animal in the wild and what it needs to survive.

The Jungle Book's Baloo the bear character is based on the secretive sloth bear who lives in India's wildest places. The real Baloo does chase fancy ants, but his life is a lot tougher than that of his fictional friend.

Jonathan Scott narrates the extraordinary story of the leopard - the one big cat that still survives across half the world while tigers, cheetahs and lions are all struggling. By following the lives of leopard mothers and their cubs in East Africa, the film investigates what it is about the natural history of these cats that makes them born survivors. Perhaps the most extraordinary revelation is that leopards are living undercover on farms and even in cities across Africa and Asia.

The killer whale is one of the most feared predators in the ocean and most would consider it madness to enter the water with one. But New Zealander Dr Ingrid Visser thinks differently - and by swimming with her beloved whales she has come to know almost all of them by sight. But there\'s been an unusual number of deaths recently and Ingrid is on a mission to find out what is going on. Her findings reveal disturbing new information about the health of our oceans.

In the flooded forests of the Peruvian Amazon lives one of the world\'s rarest and most mysterious primates, the red-faced uakari monkey. Local people call them English monkeys because of their resemblance to sunburnt visitors. Now there is a new Englishman on the scene, Mark Bowler, a young biologist who battles through the forest in his quest to understand the monkeys\' secret lives.

Seals, parakeets and even pelicans that eat pigeons have all made London their home. That's as well as badgers, foxes, scorpions, and pigeons that ride the tube.

Mark Meakin attempts to unravel the mysterious wanderings of the biggest fish in the sea.

Documentary following the lives of the members of the world's largest wolf pack in Yellowstone National Park. Daughters plot behind their father's back, sister slays sister and steals her lover, and a family is torn apart.

Africa's wildest river is home to the most spectacular wildlife. Hippos fight for territory while herds of elephant, water buffalo and zebra depend on it for life.

The great flood in the Okavango turns 4,000 square miles of arid plains into a beautiful wetland. Elephant mothers guide their families on an epic trek across the harsh Kalahari Desert towards it, siphoning fresh water from stagnant pools and facing hungry lions. Hippos battle for territory, as the magical water draws in thousands of buffalo and birds, and vast clouds of dragonflies. Will the young elephant calves survive to reach this grassland paradise?

Every year grizzly bear families in North America depend for their survival on a spectacular natural event: the return of hundreds of millions of salmon from the Pacific Ocean to the mountain streams where they were born. The salmon travel thousands of miles to spawn and then die.

Each year more than one million wildebeest and zebra invade the Serengeti grasslands, making it a paradise for the predators that live there. But what happens when the herds move off again? We follow the moving story of one lion family\'s struggle to survive until the return of the great migration. Nature\'s Great Events tells the story of the epic trek of herds that follow the rains to fresh pastures, and the tale of the predators they leave behind.

A mighty army of dolphins, sharks, whales, seals and gannets hunt down the billions of sardines along South Africa\'s east coast each winter. This is the Sardine Run: an underwater Armageddon, the greatest gathering of predators anywhere on the planet, and the most spectacular event in the world\'s oceans.

The great flood in the Okavango turns 4,000 square miles of arid plains into a beautiful wetland. Elephant mothers guide their families on an epic trek across the harsh Kalahari Desert towards it, siphoning fresh water from stagnant pools and facing hungry lions. Hippos battle for territory, as the magical water draws in thousands of buffalo and birds, and vast clouds of dragonflies. Will the young elephant calves survive to reach this grassland paradise?