E-Mail IMAGE: An infographic outlining data from the study "Runway roadkill: a global review of mammal strikes with aircraft ". view more Credit: Samantha Ball UCC - Study identifies incidences at airports in 47 countries across the globe. - 'Runway Roadkill' increasing by up to 68% annually and has caused damage that has cost in excess of $103 million in the United States alone over a 30 year period. - It is hoped study could pave way for international efforts to protect wildlife and reduce costly aircraft damage. From giraffes to the world's smallest mammals, the world's wildlife is being increasingly struck by aircraft, a global study finds.