Wind Turbines: New Study Documents High Bird and Bat Kills

In his new study, Smallwood states:

I estimated 888,000 bat and 573,000 bird fatalities/year (including 83,000 raptor fatalities) at 51,630 megawatt (MW) of installed wind-energy capacity in the United States in 2012.

He explains:

Projecting estimates of [bird fatalities per megawatt per year] to the estimated installed capacity of wind energy in the United States in 2012, I estimated annual fatalities of about 651,000–888,000 bats (with and without the 19 wind projects in the Altamont Pass Wind Resource Area, respectively), nearly 83,000 raptors, and about 573,000 birds of all types. … Including fatality rate estimates from the Altamont Pass Wind Resource Area lowered the 2012 fatality projection across the United States by 27% for bats and increased it by 78% for raptors.

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