The humpback whales of Alaska have developed an ingenious method of fishing for herring, but it only works if they all co-operate. Subscribe: WATCH MORE: New on Earth: Oceanscapes: Wild Thailand: Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this. This is a commercial channel from BBC Studios. Service & Feedback
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