According to the US Fish & Wildlife service, wind turbine deaths are tiny compared with many other human causes.
https://www.fws.gov/birds/bird-enthusiasts/threats-to-birds....
https://www.fws.gov/birds/bird-enthusiasts/threats-to-birds....
http://world.bymap.org/ElectricityProduction.html
Is there a reason we need to kill tens of millions of additional birds every year so we can have "clean" energy?