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Steve Backshall explores our changing understanding of whales, how much we have in common with them and how we can better protect them.

Steve encounters the largest hunters on the planet, revealing how their ingenious hunting strategies can cause trouble.

Steve Backshall journeys the globe with some of the greatest travellers on the planet.

Steve returns home to ask: if whales have survived so much, what can we all do to ensure their enduring future?