scaring birds away from my patio
No good deed goes unpunished. All winter I fed birds on my patio. Now they congregate there, even though I have stopped feeding them about a month ago. Defecating on the tables and chairs so we cannot use the place without hosing it down. Especially problematic are grackles I believe. Their feces is just very large and troublesome to remove.
As I said I haven't fed there in a month. So I thought they'd leave. Is there anyway I can actively make their life less pleasant to encourage them to move. Scarecrows? Stuffed owls? Any suggestions?