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Blue whale sound download

Blue whale sound

() suggest that source level of sounds made by blue whales are between and decibels when measured at a reference pressure of one micropascal at one metre. All blue whale groups make calls at a fundamental frequency of between 10 and 40 Hz, and. In , researchers found that blue whale song has been deepening in its tonal frequency since the s. While noise pollution has increased ambient ocean noise by over 12 decibels since the midth century, researcher Mark McDonald indicated that higher pitches would be. Blue whales make very deep low-pitched sounds that have been recorded as high as decibels (at 1m from the sound source) - far and away the loudest sound made by any animal. A passenger jet at take off makes a noise that is decibels. Blue whales sound can be heard at a distance of over miles (

Stats: Max Weight: , - , lbs (72, - , kg); Length: ft ( m); Diet: Krill and other plankton; Status: Endangered. Distribution: range Blue Whale Range. Additional Content. Additional Content. Blue whale B call. Call 1 Call 2 What is a spectrogram? BALEEN WHALES. Blue Whale blue. 15 Feb By analyzing thousands of calls from more than whales over 14 years, scientists are learning how these secretive beasts spend their time. Since , NOAA's Pacific Marine Environmental Laboratory (PMEL)in Newport, Oregonand the National Marine Mammal Laboratory Laboratory (NMML)in Seattle, Washingtonhave collaborated on a joint study to assess the potential of long-range acoustic monitoring of free-ranging populations of large cetaceans.

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