Quiet Oceans
Researchers say whales are probably among the creatures benefiting from the more quiet Earth, thanks to the reduction in worldwide human activities.
A consistent drop in underwater noise at frequencies known to affect marine mammals has been measured since January. This is mainly the result of sharp and ongoing declines in ocean shipping.
Whales are known to alter their calling behavior and suffer chronic stress when exposed to ship noise, and scientists want to know how they are now responding to the diminished din.
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