Follow a host of sharks with extraordinary abilities that allow them to thrive in the most adverse conditions around the globe. Observe nearly blind Greenland sharks made for life in freezing Arctic waters, and another species that can walk on land.

Get a front-row seat to the planet's biggest biomass migration, the annual 1,000-mile sardine run along South Africa's east coast. See billions of these tiny fish run a gauntlet of hungry predators, including stealthy seals and dive-bombing gannets.

Thirst for rain alongside the animals of the Kalahari, as they endure a brutally dry year. Witness co-operation between elephant herds in their desperate search for water and meet a meerkat's strange babysitter, who helps the next generation survive.

This is the story of a day in the life of an Indris Family following a mother, father, and their three offspring around their home in the rainforest of Mantadia National Park in Madagascar.

This film travels around the island visiting some of its most striking landscapes to explore how Madagascar's species have evolved over time. Madagascar is a strangely beautiful and unique world with a staggering array of habitats and special landscapes.

Four North African white rhinos are settled at Ol Pejeta. The staff must prepare them for a return, not just to life in a semi-wild environment, but also to try and trigger their wild instincts – particularly their desire to breed.

This is the story of a day in the life of an Indris Family following a mother, father, and their three offspring around their home in the rainforest of Mantadia National Park in Madagascar.

This film travels around the island visiting some of its most striking landscapes to explore how Madagascar's species have evolved over time. Madagascar is a strangely beautiful and unique world with a staggering array of habitats and special landscapes.

Watch sea lion Lola take her first chaotic steps into a macho battlefield on Argentina's coast. Cheer as this baby learns key vocal and swimming skills, fights to stay by mom Maria's side, and makes a lightning-fast escape from the jaws of death.

The beaches of California are some of the most beautiful in the world, but are they falling out of balance due to mankind's effects on nature? What does it take for the magnificent fauna of the Pacific Coast to keep living… on the "living beach"?

At the water's edge a brave group of male penguins gather, preparing to make the dangerous journey ashore. With many threats ahead, there is safety in number and these petite penguins have important business to attend. It's time to breed and they must find a burrow before the females arrive.

Explore an island surrounded by the mighty Atlantic ocean, subjected to pounding waves and driving rain. From the Cliffs of Moher to the Giant's Causeway, this land has been shaped and reshaped by the power of water and violent geological forces.

Behind the facade of Australia's dramatic scenery is a motley crew of silent assassins, con artists, gang members and brutal brawlers, vying for supremacy amidst the harsh, dry and desolate Australian desert. Competition for resources is so fierce, its animal residents have developed some ingenious methods of survival.

This is the story of a day in the life of an Indris Family following a mother, father, and their three offspring around their home in the rainforest of Mantadia National Park in Madagascar.

This film travels around the island visiting some of its most striking landscapes to explore how Madagascar's species have evolved over time. Madagascar is a strangely beautiful and unique world with a staggering array of habitats and special landscapes.

As the dry season approaches, tensions rise on Lemur Island, both between rival gangs and within their own ranks. Get a view from the battlefield as the female leaders fiercely defend their turf, while their newborn infants cling to them for safety.

The beaches of California are some of the most beautiful in the world, but are they falling out of balance due to mankind's effects on nature? What does it take for the magnificent fauna of the Pacific Coast to keep living… on the "living beach"?

At the water's edge a brave group of male penguins gather, preparing to make the dangerous journey ashore. With many threats ahead, there is safety in number and these petite penguins have important business to attend. It's time to breed and they must find a burrow before the females arrive.

Explore an island surrounded by the mighty Atlantic ocean, subjected to pounding waves and driving rain. From the Cliffs of Moher to the Giant's Causeway, this land has been shaped and reshaped by the power of water and violent geological forces.

Behind the facade of Australia's dramatic scenery is a motley crew of silent assassins, con artists, gang members and brutal brawlers, vying for supremacy amidst the harsh, dry and desolate Australian desert. Competition for resources is so fierce, its animal residents have developed some ingenious methods of survival.

This is the story of a day in the life of an Indris Family following a mother, father, and their three offspring around their home in the rainforest of Mantadia National Park in Madagascar.

This film travels around the island visiting some of its most striking landscapes to explore how Madagascar's species have evolved over time. Madagascar is a strangely beautiful and unique world with a staggering array of habitats and special landscapes.

Watch sea lion Lola take her first chaotic steps into a macho battlefield on Argentina's coast. Cheer as this baby learns key vocal and swimming skills, fights to stay by mom Maria's side, and makes a lightning-fast escape from the jaws of death.

The beaches of California are some of the most beautiful in the world, but are they falling out of balance due to mankind's effects on nature? What does it take for the magnificent fauna of the Pacific Coast to keep living… on the "living beach"?

At the water's edge a brave group of male penguins gather, preparing to make the dangerous journey ashore. With many threats ahead, there is safety in number and these petite penguins have important business to attend. It's time to breed and they must find a burrow before the females arrive.

Explore an island surrounded by the mighty Atlantic ocean, subjected to pounding waves and driving rain. From the Cliffs of Moher to the Giant's Causeway, this land has been shaped and reshaped by the power of water and violent geological forces.

Behind the facade of Australia's dramatic scenery is a motley crew of silent assassins, con artists, gang members and brutal brawlers, vying for supremacy amidst the harsh, dry and desolate Australian desert. Competition for resources is so fierce, its animal residents have developed some ingenious methods of survival.

This is the story of a day in the life of an Indris Family following a mother, father, and their three offspring around their home in the rainforest of Mantadia National Park in Madagascar.