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  Monitoring the global ocean through underwater acoustics
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. Pioneer Seamount - Blue Whale  


blue whale spectrogramNortheast Pacific blue whale call

Northeastern Pacific blue whale calls are perhaps the best known blue whale call to date.They generally consist of two parts, A and B. The A call is a series of pulses (on the order of 1.5 pulses/s) which often exhibits side-banding and the B call is a long FM moan.

Click here (338 kb, 10x) to hear the northeastern blue whale call.


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