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Wednesday, April 23, 2014

Mystery of 'ocean quack sound' solved

Antarctic minke whaleThe mystery of a bizarre quacking sound heard in the ocean has finally been solved, scientists report.

The noise - nicknamed "the bio-duck" - appears in the winter and spring in the Southern Ocean. However, its source has baffled researchers for decades.

Now acoustic recorders have revealed that the sound is in fact the underwater chatter of the Antarctic minke whale.

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