Paul, some of it also is being blamed on the active sonar "pinging" which to those animals I would imagine is like being inside a ringing bell which would scramble anyones brains.
HOWEVER, the archealogical record shows that beachings of such animals goes back thousands of years at some of the same locations they occur today.
Now, that brings the following question to mind. If an active sonar blast can confuse marine animals. What would a concentrated blast do to divers?
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