Bird deaths from building strikes may be double past estimates

An estimate of annual bird fatalities due to building collisions in the US brings the figure to more than 1 billion – it is the first to include deaths from injuries after the strike

​An estimate of annual bird fatalities due to building collisions in the US brings the figure to more than 1 billion – it is the first to include deaths from injuries after the strike An estimate of annual bird fatalities due to building collisions in the US brings the figure to more than 1 billion – it is the first to include deaths from injuries after the strike