What Buildings Cause Most Deaths?

The Answer — Option 2 !! see below- source follows ABSTRACT “Bird–building collisions in the United States: Estimates of annual mortality and species vulnerability”,  Condor, Volume 116, 2014, Based on 23 studies, we estimate that between 365 and 988 million birds (median ¼ 599 million) are killed annually by building collisions in the U.S., withContinue reading “What Buildings Cause Most Deaths?”