Sky Nature HD Sunday

On the savannah, the lives of some rely on the deaths of others, but in this predator-driven cycle, two of Africa's most powerful carnivores are at the top

Every day a struggle for survival plays out across Africa. Predators binge on the dead while others circle above waiting for their chance

Lady Elliot Island, the crown jewel of the Great Barrier Reef, a mesmerising swirl of colour and life - both above and below the water

A look at Kangaroo Island, a fortress cut off by wild seas and battered by brutal southern ocean winds

A look at Christmas Island, which is hundreds of miles north-west of Australia's mainland and rises out of the Indian Ocean, providing the stage for extraordinary migrations

A look at Fraser Island, which is host a huge variety of wildlife on its unforgiving terrain, including dingos, wallabies and sea eagles

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

A journey around the world to find the shared traits between monkeys and humans

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

Following the lives of orphans in the Nyaru Menteng Orangutan Rescue Centre in Borneo, the largest rehabilitation centre of its type in the world

Part one of two. The lives of three rival species, lions, leopards and cheetahs, revealing the strategies each has evolved to coexist in their shared world

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

Patrick Aryee concludes his exploration of the feline family tree, witnessing gravity-defying acrobatics, testing a cheetah's speed and learning about the domestication of the cat

A year in the life of Canada's common loon, examining the perils impacting its population - from global warming and boat traffic to big wakes disturbing its habitat

Part one of two. The lives of three rival species, lions, leopards and cheetahs, revealing the strategies each has evolved to coexist in their shared world

How summer turns Alaska into a true wildlife paradise, from the bears fishing in its salmon-filled waterways to the millions of migratory birds that flock there

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

Patrick Aryee concludes his exploration of the feline family tree, witnessing gravity-defying acrobatics, testing a cheetah's speed and learning about the domestication of the cat

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

The rangers have a tall order on their hands - relocating herds of impala and giraffe to a new community wildlife area on an island more than 100 miles away

The vets encounter a difficult predicament when a large elephant wanders off and arrives at a local village in an agitated state