Which bird pest control program works the best?

There are many bird pest control methods such as bird netting, scarecrows, spikes to deter perching, cats, ultrasonic sound devices, etc. The one that best suits your needs is dependent on your specific situation, finances and environment. http://en.wikipedia.org/wiki/Bird_scarer http://en.wikipedia.org/wiki/Bird_control_spike http://en.wikipedia.org/wiki/Bird_netting