Take a cross-country flight over Ireland's natural wonders and ancient ruins. In this spectacular overview of the historically significant Emerald Isle, we explore the sites, the people, and the milestones of this unique gem of Western Europe.
In the grasslands, animals endure freezes, fires, floods, and droughts; bull elephants clash in mating battles; cheetahs and gazelles engage in a predator-and-prey dance in the Kenyan savanna; bison battle a blizzard while being pursued by wolves.
On Christmas Island, the Spy Crab camera walks among red crabs as they march into the sea, and in Madagascar, cameras follow many of the species of chameleon that live there. Meanwhile on Seal island off the tip of South Africa, Spy Seal Pup finds itself in the midst of the 60,000 cape fur seals that have come ashore to raise their young.
Tanzania's Lake Manyara National Park boasts a number of diverse habitats. From woodland savannas to grassy marshes, the region is a special part of the east African ecosystem and provides a wealth of resources to the wildlife that call it home.
From the roughest seas to the crystal clear waters of the Florida springs, David Attenborough swims with sea otters and dives with manatees, as he follows those mammals who, millions of years ago, left dry land and returned to the water to feed.
The era of the sabretooth and many other Pleistocene creatures comes to an end. The biggest big cats ever, the lion and the tiger, become the kings of their respective habitats - but they had to fight for their place. To survive, these great cats target larger and more challenging prey.