Well it continues , birds and planes do not mix and not only to they pose a threat to the integrity of the aircraft, birdstrike damage can be deadly and costly all round. The 9 standards which are set in respect to bird strike prevention (IBSC standards) require airports to take reasonable measures to understand the risk and to prevent the risks.
Euro-Matic installed the Water Filled balls at Heathrow Airport, one of the busiest airports in the world on an area of open water that was in the flight path.