Predator expert Dave Salmoni travels to a remote speck of land in the wild and stormy South Atlantic, which is visited by a huge number of hunting killer whales.

Biologist and predator specialist Dave Salmoni journeys to a mountainous island in the North East Pacific, which is home to a large number of grizzly bears.

Biologist and predator specialist Dave Salmoni journeys to an island in the South Pacific, which is home to a large concentration of sharks. But can he reveal why?