Sky Nature HD Saturday

The fantastic world of frogs, whose ancestors were the first vertebrates to colonise dry land and who now inhabit every continent except Antarctica

Once abundant on the continent, elephant populations have been drastically reduced in the last 200 years. Yet there are pockets of hope for these gentle giants

The world's fastest predators can strike and kill in the blink of an eye. Now, with the help of modern high-speed cameras, witness these lightning-fast attacks in deadly detail

The world's fastest predators can kill in the blink of an eye. The second of two programmes uses modern high-speed cameras to capture these lightning-fast strikes in deadly detail

Documentary revealing that when winter comes, many insects have different strategies to see them through - even if they can only ensure that their offspring will live on

The tiny dangers lurking in a typical meadow, which may seem peaceful and idyllic but is home to praying mantises, ravenous spiders and venomous wasps

The success of beetles, which have outlived the dinosaurs and conquered almost every corner of Earth, making up a fourth of the animal population

Food-obsessed Beni gets a dramatic smackdown from the local dominant male, Petruk, while Bumi goes on a wild joyride with Greta

South Africa's Drakensberg, one of the continent's most impressive landscapes and home to sharp climatic and ecological gradients

In geological terms, humans have only been around for the blink of an eye. But as this episode shows, they have managed to influence the evolutionary path for many animals

A look at evolutionary changes that appear invisible to the naked eye, yet the effect of which can be massive

The question of sight can be one of life or death in the animal world. See how some creatures have evolved to see perfectly while others can be nearly invisible

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

Following his visit to the Great Barrier Reef in 1957, the broadcaster returns and uses the latest filming techniques to unlock the secrets of the natural wonder

Using the latest technology, the naturalist explores the shark-infested waters of Osprey Reef, before tracking dwarf minke whales to discover their reasons for returning

The naturalist examines what the future holds for the natural wonder, before embarking on an ambitious attempt to dive further into the reef than ever before

Part one of two. Biologist Patrick Aryee explores how cats have evolved and learned to thrive even in inhospitable environments, as well as becoming the world's most popular pet

From the oceans and the forest to swamps and deserts, a look at the toxic, venomous and dangerous creatures that Australia is home to

The remote island of Gorgona, once chosen by the Colombian government as a prison site due to its shark-infested seas and impenetrable jungle teeming with deadly snakes

On the island of Providencia, a young female black crab undertakes a life-or-death hike to escort her 80,000 eggs from the mountain down to the sea

Part one of two. Biologist Patrick Aryee explores how cats have evolved and learned to thrive even in inhospitable environments, as well as becoming the world's most popular pet

From the oceans and the forest to swamps and deserts, a look at the toxic, venomous and dangerous creatures that Australia is home to

Documentary taking a closer look at the intertidal zone, the point at which the ocean meets the land, and the struggle for survival facing the creatures that inhabit this realm

A look at creatures that form unlikely bonds at rescue centres, including a North American raccoon that has found a friend in a South American coati

A rodent-hating schnauzer in Canada who chases squirrels whenever she can, but who has become enthralled by her owner's skinny pig

In South Africa, a young rescued rhino called Esme has found heartwarming help from a playful dog called David and her sheep companion Melie

Surviving in the African savannah requires wit and guile, especially for two of its hunters - African wild dogs and dwarf mongooses