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  Monitoring marine mammals using acoustics
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  Marine mammal sounds  
  Western Pacific blue whale call  
  W Pacific blue whale call spectrogramDescription: Western Pacific blue whale calls have been recorded primarily in the northwestern Pacific but also north of Hawaii and in the offshore northeast Pacific (Thompson and Friedl 1982, Stafford and Fox 1996). They are generally a one to two-part frequency modulated moan that lasts about 20s with frequencies from 23 to 20 Hz.

Click on spectrogram for full-sized image.

bloop sound413K wav file(The recorded signal has been sped up 10 times) 

 

  
     

 
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