Mysterious 'Bio-Duck' Ocean Sounds Tied To Antarctic Minke Whales

By Jacqueline Howard

A mysterious duck-like sound recorded in the ocean around Antarctica has baffled scientists for decades, but the source of the sound has finally been found, researchers say.

For more than 50 years, researchers have recorded the so-called “bio-duck” sound in the Southern Ocean. Submarine crews first heard the oceanic quack, which consists of a series of repetitive, low-pitched pulsing sounds, in the 1960s.

“In the beginning, no one really knew what it was,” said Denise Risch, a marine biologist at NOAA Northeast Fisheries Science Center in Woods Hole, Mass. Because the sound was so repetitive, scientists first …read more

Source: Huffington Post Green

    

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