Killer whales risk it all to survive, while huge male elephant seals battle for the chance to breed.

In summer, the nutrient-rich waters are in high demand from both animals and people.

A journey from the low grasslands to the towering peaks of the Patagonian Andes.

Patagonia's far south is a land of extremes; for penguins and people, survival is a daily struggle.

Patagonia's ancient woodlands are a magical home to creatures found nowhere else on Earth.

Film crews cope with extreme weather, hungry predators, stormy seas, high altitudes and baking sun.