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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 birds...is one of the main environmental concerns related to wind energy
." The findings of the research have been published in the conservation
"Ecology and Evolution".
