DNR: Windmills can pose threat to birds, bat populations

An article noting industrial wind turbines' impacts on birds and bats: from Michigan

DNR: Windmills can pose threat to birds, bat populations | CadillacNews.com:

Cleveland said avian creatures appear to be more at risk of being affected by the machines.
"Research has shown birds change their behavior around windmills," Cleveland said. "They avoid being around the turbines when nesting. As far as what impact this has on the bird's overall population, it's hard to say at this point."
Birds also can be killed when they collide with wind turbine blades, which appear from the ground to be moving slowly but actually travel at speeds close to 100 mph at their tip.
"The relationship between turbine development and bird death caused by collision with blades is predictable," Cleveland said. "If a lot of birds are known to move through an area and a developer decides to put up a windmill in that area, it's safe to say a lot of those birds would be killed by blades.

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