Gap Fill - Paragraph One


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Paragraph 1

There are many of wind turbines and wind farms. They are important in providing energy. However, there are also some disadvantages. One of is that the giant blades on turbines kill of birds. Many birds fly into the blades and die. Researchers have found a . They say painting one blade black could help birds see the rotating blades. This could cut bird by up to 70 per cent. Researcher Dr Roel May said: "The of one of the main environmental concerns related to wind energy ." The findings of the research have been published in the conservation "Ecology and Evolution".

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