Scientists investigating the effects of naval sonars on Bahamas beaked whales discovered that when exposed to sonar signals, these whales stop their calls, move away from the source and do not resume foraging dives before they are farther away.
BBC: Beaked whales ‘scared’ by navy sonar
And no wonder either. As I wrote earlier, the thing I hate about midges isn’t their bites (unless, of course, there are too many) but their buzzing. Likewise, I can fall asleep when the lights are on but not when a radio is on. And so forth.