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Ocean 'bio-duck' quacking mystery solved


Posted on Thursday, 24 April, 2014 | Comment icon 6 comments


Two Antarctic minke whales. Image Credit: CC BY-SA 3.0 Jerzy Strzelecki

Scientists report that they have finally figured out what is causing a strange quacking sound in the sea.

The phenomenon, nicknamed "bio-duck" because it resembles a duck's quack, can be heard in the Southern Ocean during the spring and winter and has baffled experts ever since it was first picked up by submarines over 50 years ago.

Now thanks to data retrieved by special acoustic recorders however scientists have been able to determine that the peculiar noises are actually the underwater sounds of the Antarctic minke whale.

"It was hard to find the source of the signal," said Denise Risch of the US National Oceanic and Atmospheric Administration. "Over the years there have been several suggestions... but no-one was able to really show this species was producing the sound until now."

   
Source: BBC News | Comments (6)

Tags: Quacking, Ocean


 
Recent comments on this story
Comment icon #1 Posted by third_eye on 23 April, 2014, 16:05
Antarctic Minke Whale Idol season one ? ~
Comment icon #2 Posted by Leonardo on 23 April, 2014, 16:57
I'm surprised the scientists were able to do this whale research without harpooning any whales and turning them into sushi. Obviously they weren't Japanese scientists.
Comment icon #3 Posted by ancient astronaut on 24 April, 2014, 16:30
If you happen to have access to Netflix, there are 2 outstanding documentaries about Sushi and the impact on the global Eco system, they are a must watch (if you are into docu's).
Comment icon #4 Posted by qxcontinuum on 25 April, 2014, 5:09
Hate the Japanese and their cruelty against animals. Hate the sushi too.
Comment icon #5 Posted by theotherguy on 25 April, 2014, 5:41
Is it hypocritical if I hate unnecessary animal cruelty but love sushi?
Comment icon #6 Posted by WhyDontYouBeliEveMe on 25 April, 2014, 7:16
i don't have the luxury to hate food ! i m not picky ! for me its all the same , doesn't matter how you prepare your food , you kill to eat ! o wow its been 50 years , now they have found the source ! . where is the proof ?


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