Nat Geo Wild programa spalio 3 d.

South America is a land of extremes, with hundreds of thousands of square miles of forests, grasslands and mountains.

South America is a rich and diverse land, with stunning landscapes harbouring elusive critters that have evolved to thrive here.

Now that the pups have arrived, Dogtown is officially under new management.

With nourishing food scarce in the Highlands, Charlotte must learn to fight back against bullies to survive the harsh dry season.

The Land. At the western end of the Mediterranean lies Portugal, full of diverse ecosystems that showcase a stunning array of species both big and small, many of which are endemic to the region.

After a close escape, Kio faces a setback when his older brothers are banished.

In spring, the Carpathian Mountains' rarest forms of life burst free from the harshness of winter, beginning with an extraordinary moment when a mother bear emerges from hibernation. Her three tiny, yet adorable, cubs experience the world for the first time, following her across sheer cliffs in search of food. Meanwhile, in Slovakia's Tatra Mountains, a rare male capercaillie bird performs an elaborate mating ritual. In Ukraine, Ural owls are on the hunt to feed their chicks, while newly born chamois kids leap down precipitous snowfields, cheating death as they evade the soaring eagles above. The key to it all — the ancient trees themselves — provides not only a sanctuary but also the very beginnings of life itself, through their superpower of "eating the sun" and passing energy up the food chain in this vast, interconnected web of life.

The Land. At the western end of the Mediterranean lies Portugal, full of diverse ecosystems that showcase a stunning array of species both big and small, many of which are endemic to the region.

After a close escape, Kio faces a setback when his older brothers are banished.

Kio reunites with his brothers but faces a tragedy that tests his courage.

Dr Pol treats three bovines and one tiny rabbit before heading to the Netherlands with Diane to celebrate his 80th birthday.

The Fair is in full swing! Getting to this day took months of hard work from vets and kids to get the Fair animals in tip top shape.

As PVS decks the halls, a reindeer's hurt hoof threatens his Christmas Eve take-off. Dr Pol treats a puppy discovered on a cold silent night.

Surviving in the Alps. The Alps are changing, not in dramatic leaps but in slow, steady shifts. Rising temperatures and decades of human activity are transforming this once-stable mountain region. It's rutting season!

Explore German mountain landscapes, where wildlife must adapt to shifting conditions. In the Alps, ibex master sheer cliffs...

The Land. At the western end of the Mediterranean lies Portugal, full of diverse ecosystems that showcase a stunning array of species both big and small, many of which are endemic to the region.

The Coast. Life on the coast of Portugal is full of beauty and brutality for the unique animals that live there, from the smallest phytoplankton to the giant sperm whales.

National Geographic Wild. Spain's Sierra de Gredos National Park. From ancient glacial cirques and deep mountain ravines to the summit of Almanzor, the highest peak in central Spain, discover a unique and fragile ecosystem.

Lions kill four buffaloes in a stampede, while in another drying river, a buffalo fights off five of the big cats.

The long, dry winter brings desperation to the animals who live here. Prepare yourself for a highly charged, emotional, and informative ride.

Africa's deserts are hostile and unforgiving realms where all living things bow to the power of the elements.

Lions kill four buffaloes in a stampede, while in another drying river, a buffalo fights off five of the big cats.

Dr Pol treats three bovines and one tiny rabbit before heading to the Netherlands with Diane to celebrate his 80th birthday.

The Fair is in full swing! Getting to this day took months of hard work from vets and kids to get the Fair animals in tip top shape.

As PVS decks the halls, a reindeer's hurt hoof threatens his Christmas Eve take-off. Dr Pol treats a puppy discovered on a cold silent night.

Lions kill four buffaloes in a stampede, while in another drying river, a buffalo fights off five of the big cats.

Explore German mountain landscapes, where wildlife must adapt to shifting conditions. In the Alps, ibex master sheer cliffs...

The Land. At the western end of the Mediterranean lies Portugal, full of diverse ecosystems that showcase a stunning array of species both big and small, many of which are endemic to the region.

The Coast. Life on the coast of Portugal is full of beauty and brutality for the unique animals that live there, from the smallest phytoplankton to the giant sperm whales.

National Geographic Wild. Spain's Sierra de Gredos National Park. From ancient glacial cirques and deep mountain ravines to the summit of Almanzor, the highest peak in central Spain, discover a unique and fragile ecosystem.

The Land. At the western end of the Mediterranean lies Portugal, full of diverse ecosystems that showcase a stunning array of species both big and small, many of which are endemic to the region.