7 April 2015

Fact #64

Humpback whales are the loudest animals on earth. Their low-frequency rumbling “songs” (over 180 decibels in volume) can be heard 500 miles away under water. (In contrast,  the sound of a jet engine reaches only 140 decibels.) 
While
Blue whales stay alone and communicate with whales in other oceans with their deep sound, often in frequencies as low as 14 Hz which humans cannot hear.


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