Birth control methods for birds?

Time and again, several commercial airplane crashes had been reported. They were not only caused by human errors but by the inevitable forces of nature. But one this is seriously alarming is the presence of high flying birds which was reportedly blamed for most of the accidents that resulted in the deaths of many people. Despite these negative developments, the federal government can only do so much by enforcing air transportation laws that are effective and practical. In fact, appropriate solutions to these problems had been made. But accidents are accidents and there's nothing we can do about them. Perhaps, the only best solution is to ensure that commercial planes are properly inspected and checked before flight. But accidents do happen in the most unexpected moments. Reports had it that some of the plane crashes were caused by birds which are sucked by the planes' engines in mid-air thus resulting in the failure of the plane's engine to conk out. I knew it sounds silly ...