Abstract
Birds are a serious threat to aircraft, particularly near airports. For civil aircraft about 75% of all bird-strikes occur near airports. Gulls and small flocking-birds provide the greatest threat to aircraft near airports. Birds are attracted to airports because they become habituated to the noise and traffic, and are attracted by the presence of areas for roosting, loafing, and feeding. Serious bird-strikes can be reduced around airports by reducing the number of birds, by making the birds get out of the way of airplanes, by having planes avoid birds, by adding physical protection to the airplanes, and by switching to new types of aircraft which are safer with respect to bird-strikes. The first two solutions involve bird control, while the last three involve modification of aircraft or aircraft routes. Airport personnel are usually involved only in controlling bird numbers or in dispersing them from the airport.