Altamont Pass, California house the states largest wind farm with 5,400 turbines. These turbines kill up to 1,300 birds every year often by dismembarment or beheading. The wind farm is situated right next to the largest habitat of golden eagles. The birds utilize this airspace for the same reason the turbines do; Good wind for migration. Now studies are being conducted to reduce the number of bird deaths and plans for safety measures are in the works.