Sky Nature HD Saturday

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 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

A look at the different types of sharks that live in earth's oceans, while cameras follow a dangerous tagging mission in South Australia

Tracking a pregnant shark along the Great Barrier Reef, before searching for signs of mating along the southern coast that could reveal a very shy female megashark

The northern team attach an activity tag to a bull shark, before diving 80 metres deep to put a satellite tracker on a great white

Despite the huge scale of human encroachment, isolated pockets of land still remain in Kenya, leaving the team with a vital conservation task

Delve into the surprising behaviours of some of Australia's most unlikely romantics, including shingleback lizards, eastern ospreys, brown boobys and even corals.

Meeting some uniquely curious animals, including brushtail possums, parrots, numbats and more

Animals that have unlikely friendships with humans, beginning with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub

Following a young leopard Prince Rana as he fights to secure his place in Jhalana's territory, even if it means facing off against his own father Bahadur

Documentary exploring the challenges and freedom of animals that use the air to survive and thrive, beginning with how different species use air

A look at the animals which take to the skies and therefore gain an advantage over their rivals in the eat-or-be-eaten game

Documentary using previously unseen footage of some of the greatest filming sequences of David Attenborough's career, from the Great Barrier Reef to Borneo

Further footage of David Attenborough's global wildlife adventures, from the depths of the Great Barrier Reef to the ancient rainforests of Borneo

The broadcaster explores the rise of life on Earth, from the emergence of the first creatures on seabeds hundreds of millions of years ago to the wildlife of today

The creature conflicts in the landscape of South Africa, where wildebeest battle for herd hierarchy, floppy fish fight it out on land and locusts give into a frenzy of cannibalism

Animal battles south of the Sahara, where male giraffes swing their heads like wrecking balls, zebras boast the most powerful kick in the animal kingdom and chimpanzees wage war

Tracking a pregnant shark along the Great Barrier Reef, before searching for signs of mating along the southern coast that could reveal a very shy female megashark

Australia's Fraser Island, the largest sand island in the world, which boasts a variety of landscapes, including coastal heathland, open woodlands and tropical rainforests

The beaches of California, which are some of the most beautiful in the world, but which also risk falling out of balance due to mankind's effects on nature

The creature conflicts in the landscape of South Africa, where wildebeest battle for herd hierarchy, floppy fish fight it out on land and locusts give into a frenzy of cannibalism

Animal battles south of the Sahara, where male giraffes swing their heads like wrecking balls, zebras boast the most powerful kick in the animal kingdom and chimpanzees wage war

Tracking a pregnant shark along the Great Barrier Reef, before searching for signs of mating along the southern coast that could reveal a very shy female megashark

How being disorganised works in the favour of certain animals, revealing how a chaotic approach to life can help a species get ahead in a land of extremes

In the wild, being obsessive isn't a flaw - it can be a means of survival. This episode examines how certain animals know that obsession equals success

Animals' extraordinary sensory powers, beginning with vision - a world where dragonflies see in almost every direction and pigeons see 10 times the colour that humans

The documentary asks what makes a truly super-powered animal, scouring the globe for the strangest and most surprising animal skills

The amazing world of what animals really see with their extraordinary senses, thanks to remarkable CGI and innovative film techniques