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Dave Salmoni journeys to a harsh, mountainous island off the coast of Alaska in the North East Pacific. Home to the greatest concentration of grizzly bears on the planet, Dave's quest is to find out how this one island can support so many huge predators.
Dave Salmoni travels to a remote speck of land in the wild and stormy South Atlantic. Every year thousands of seals and penguins flock there to breed, but they're pursued by the ocean's greatest predators, who trap them and lay siege to the island.
Dave Salmoni has travelled to a remote island in the heart of the South Pacific. It should be a paradise, but this island has a sinister reputation: it's known as the 'shark capital of the world'.