Bird strike is a common threat to flight safety, which can often be catastrophic. Birdstrike means a collision between a flying bird and the aircraft. Bird strikes cost $1.5 billion to $2 billion in damages worldwide and $600 million only in USA. Bird strike requires more investigative attention and positive analysis to reduce these incidents. Flight safety is the main objective of all the aviation organizations and aviation professionals. Playing a small roll in ensuring the flight safety is the main objective of this book , which discusses some significant bird strike incidents, reasons, effects and countermeasures to reduce or avoid these incidents and catastrophes.