Sky Nature HD

The importance of cooperation in the animal kingdom, where some creatures work together to be social while others put the welfare of the group above their own potential.

From the shark to the horseshoe crab, meet the planet's 'living fossils' - the creatures that have survived relatively unchanged for millions of years.

The secrets of the most extreme sleepers of the animal kingdom, looking at how they deal with sleep deprivation and trying to discover whether animals dream.

Part one of two. The reasons why young animals enjoy playing, and how it can teach them to survive in the wild. The programme explores how young elephants, which rarely leave their mothers' side for the first eight years of life, play to develop social skills, while macaques hone their mental agility by playing games with stones. Plus, a zoologist who looks after orphaned cheetahs reveals how play

Part two of two. The secrets behind animals' group games, from dolphins that play catch to a hyena tug of war, revealing the benefits they gain from their playful behaviour. The programme examines how breaching the rules of a game can have fatal consequences - but how it also presents an opportunity for animals with a rigid hierarchy to break down social barriers.

First of two programmes about some of earth's most dangerous creatures, which lurk in the oceans, the forests, swamps and deserts. In Australia, meet the world's most venomous snake, and in nearby oceans, discover the deadly nature of the marine creatures that share these tropical waters.

Exploring more of earth's dangerous creatures, beginning in the South American rainforest with the poison-packed golden dart frog, which harbours enough poison to kill 10 men. Plus, a visit to Sydney, Australia, home of the world's most venomous spider.

The story of Aztec warrior Popocatépetl - a giant active volcano - who erupts to wake his princess Iztaccíhuatl, a neighbouring ice-capped volcano.

Steer clear of these alphas, whose horns, claws, and other protective gear keep them ready for battle, no matter what the weather dishes out.

Come face-to-face with masters of stealth, from a sandhill crane as it leads in a deathly dance to a male brown hare as it throws swift punches at its beloved.

Documentary following a young male brown bear on his adventures in a mountain range that forms a natural border between Slovenia and Austria.

Communication in the animal world, beginning with the secrets of body language.

The remarkable ways that animals speak to one another, from the trumpeting of enormous elephants to the chatter of seal colonies.

Through sense, scent and sight, animals can communicate in ways that are outside of the reach of humans. Here, scientists dig further into their secrets.

The shark, one of nature's oldest and deadliest predators, exploring how this ancient hunter adapts, endures and strikes with unstoppable precision.

In the first of a two-part documentary, the naturalist explores the origins of life on Earth. Beginning the journey near his childhood home in Charnwood Forest, Leicestershire, he learns how a fossil discovery transformed scientists' understanding of the evolution of complex organisms, and in Newfoundland and Australia he reveals the earliest kinds of animal to exist on the planet. With the help o

In the conclusion of the two-part documentary, the naturalist travels to Burgess Shale in Canada's Rocky Mountains, where he explores how evolution gained pace once creatures developed mouths and mobility. In Scotland, he reveals that one of the smallest fossils found holds the secret to how animals began surviving on dry land, and explains the bloom of life during the oxygen-rich Carboniferous pe

Part one of two. A look at the marsupial native only to the Australian island, revealing how the mating season is a chance for males to show who is dominant.

Tasmanian Devils might have infamous reputations, but these spirited scrappers are committed parents and heroic defenders of their pouch-reared young.

The shark, one of nature's oldest and deadliest predators, exploring how this ancient hunter adapts, endures and strikes with unstoppable precision.

Discovering a world shaped by fire and water, as cameras capture Philippine eagles soaring above ancient forests and rare crocodiles lurking below the river's surface.

Cameras follow turtles and tiger sharks roaming volcanic reefs, and tarsiers leaping through forests on the hunt.