bruno2000
Well-known member
https://en.wikipedia.org/wiki/Hearing_range
thermionic said:Our cat goes absolutely nuts if we rustle tin foil - it totally unsettles him. It's gotten to the point that, if he's sitting by his bowl in the kitchen (his favourite hobby - while staring upwards at one of us), and we reach for the foil on the top shelf, just the motion of moving an arm towards the foil will send him scrambling out of the kitchen for cover.
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