Investigative guides revealing amazing facts about animals. This episode features Harriet, a humpback whale on a 3,000-mile trip from Hawaii to Alaska. Show more
Discover 11,128,835 listings and 278,152 playable programmes from the BBC
Investigative guides revealing amazing facts about animals. This episode features Harriet, a humpback whale on a 3,000-mile trip from Hawaii to Alaska. Show more