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Lucy Cooke and Colin Stafford-Johnson continue their adventure around the UK's wilderness, investigating the seas. Lucy discovers how the white-tailed sea eagle has made a dramatic return to the coastline. Colin makes his first trip to the wild Farne Islands, home to a world-class seabird spectacular, and we go behind the scenes with the Wild Alaska Live team on the search for orca . There is also a look at a giant that visits our coast during the summer, as well as how the seas of Suffolk hold the key to revealing the surprising giants of the past that once roamed the lands.