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Blue Planet Live Series 1, Episode 4 Clips
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Humpbacks head to the Antarctic to feast
Duration: 02:11
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The vaquita is the world's most endangered marine mammal
Duration: 01:47
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Farewell from Blue Planet Live
Duration: 01:26
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A sunrise on Heron Island
Duration: 01:15
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From fishing to tourism in the Gulf of California
Duration: 02:00
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A ray of hope?
Duration: 02:03
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The Bahamas is a great hammerhead hotspot
Duration: 01:20
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Silky sharks are in big trouble
Duration: 02:11