yeh, my wife has bird crap all over the SUV and some made permanent etch marks. My detailer was able to take most of it off by using a machine to buff. There was one on the windshield that just wouldn't go away.
E60 M5 Silverstone, Balloon White Gallardo Spider, Rosso Corsa F430, Audi CG Q7 Sportline, IS R8 before and DG R8 now, Basalt Black Carrera GT, SG M3 DCT, Orange GT3RS, IS CLK63 Black Series
On order: 2010 R8 V10