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There are
advantages of wind farms. One is they provide
energy. However, there are also
. One is the blades on turbines kill thousands of
, which accidentally fly into the
. Researchers have found an
. Painting one blade black could help birds see the blades. This could cut bird strikes by 70 per cent. A
said: "The collision of birds...is one of the
environmental concerns related to wind energy
." The research has been published in the conservation
"Ecology and Evolution".