----- Original Message ----- From: "Paige Reeves" <paige.reeves99@yahoo.co.uk> To: "R. A. McCall" <mccallr@gmail.com> Sent: Saturday, January 30, 2010 5:48 PM Subject: Re: birds and bird droppings on bimini top > I've just remembered that a marina I used for a few weeks in Portugal had > a few of those devices that broadcast the distress sounds gulls make. They > moved them around every day. They worked very well, at least I assume they > did because the was little evidence of gulls around. I'd think that the > trick was in constantly moving them over the area so that clever gulls, > like the example of those ducking the gullsweep, don't easily become > inurred to the sounds. Pehaps it's something you could ask the marina > management to look into. > > P.

> > I've just remembered that a marina I used for a few > weeks in Portugal had a few of those devices that broadcast > the distress sounds gulls make. They moved them around every > day. A couple of years ago, we stayed in a marina in Sanford, Fl, where they too used one of these contraptions. The speakers were stationary, and after an initiation period the birds ignored them. So I suspect that the need to move them around is important. Rudy and Jill Briney Bug, Panama City, Fl