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The Myth That Wind Farms Are a Guillotine for Birds Is Being Debunked by Hard Data
(www.zmescience.com)
Everything about energy production and storage.
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I don't have a link but I believe this has absolutely been studied and it's the same as what OP says above but specifically about fossil fuels. The amount of birds that die to wind turbines is significantly less than the amount of birds that die to the fossil fuel industry.