In the spectacular Yellowstone where wolves, bears, coyotes, bison and elk roam vast grasslands, wetlands and forests, Steve Backshall looks for the answer to a puzzle. Wolves and beavers have little to do with each other so why, when wolves were returned after an absence of 70 years, did the beaver population increase? The revelation is as magical as it is surprising. A BBC Production.

This episode of Dynasties follows tigress Raj Bhera, who has four new cubs. She must protect them while suffering through a drought and battling rivals that are constantly encroach on her turf. Will she hold on and raise her cubs to adulthood?

In Senegal, West Africa, live a group of chimpanzees led by an alpha male named David. He has already been alpha for three years, a timeby which leaders are usually overthrown. To make matters worse, David has no allies to help him defend his leadership. As the dry season sets in, David is surrounded by rivals that are prepared to kill for his crown. David faces brutal battles, has his territory engulfed in flames andmust pull off an extraordinary...

A high-energy blend of wildlife footage and quirky motion graphics, this collection of 26 fun and informative one-minute video clips highlights important facts about animals, from basic to bizarre. What's on these creatures' menus? Where do they like to hang out? How do they get from place to place? Animal Crackers tells it like it is as it introduces viewers to penguins with crazy hairdos, monkeys with massive noses, dancing lemurs, ferocious frill-necked...

David Attenborough takes us up close, climbing high into the canopy himself, to meet mammals that have adapted to living in treetops. Meerkats regularly climb small trees to scout for danger, while gibbons live one hundred feet or more above the forest floor. "Life in the Trees" is full of strange and unfamiliar animals, such as the Indian slender loris and the fossa, Madagascar's largest arboreal predator, both filmed for the first time in the wild....

The warm blooded, furry, milk producing mammalian body is a winning design. In this film, David Attenborough looks at why mammals are the most successful creatures on the planet. He journeys to Australia to studyechidnas and platypus, rare egg-laying species. He looks at how marsupials have adapted to a range of habitats across the continent, highlighting kangaroos, koalas, and wallabies, as well as smaller species. Then he travels to the Amazon to...

Bear, with the help of his animal friends, remembers the story he had hoped to tell before the onset of winter.

Baby Chimpanzee clings to its mother dependent on it. But as it grows it learns to find tools to crack nuts, and imitates adult chimps to assimilate in to chimp society.

The newborn baby bats await their mothers to return from hunting to feed them milk. One mother cannot find her baby and risks its death. Luckily Mother finds baby and feeds it.

On the rainy plains of East Africa a cheetah mum rears her cubs entirely alone. The youngsters must be attentive students if they are to master the hunting techniques of their mother. They watch on the side lines as she brings down an adult gazelle, and are grateful for a hearty meal. However, if they are to survive without their mother they must not only master the chase, but also the kill. For this, a hapless young gazelle is brought to them...