Hey all,
I have a koi pond and it is a constant battle to keep heron from eating my fish. For whatever reason, there is not a good commercially available deterrent. Anyway, I'm trying to think of some kind of small device that, when plugged in, will move and make some noise. Heron are easily spooked and the idea is to put this on a timer to go off maybe every 10 - 30 minutes. Something that is not so obnoxious that it would bother us when we are outside enjoying the yard. And it has to be outdoor weatherproof. I dont care what the device is originally designed for, as long as it makes a little bit of motion and noise!
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