09/02/2026
One painted blade is saving thousands of bird lives every year 🦅. Scientists at the Norwegian Institute for Nature Research tested a strange idea at the Smøla wind farm in Norway. They painted a single turbine blade black while leaving nearby turbines untouched as a control. For several years they tracked every bird found dead near both groups. The results published in the journal Ecology and Evolution showed nearly a 72 percent drop in bird collisions. Not one white tailed eagle died at the painted turbines after the change.
Wind energy fights climate change but spinning blades often blur into an invisible circle for birds moving at speed 🌬️. That single black blade breaks the blur and gives a bird just enough time to react. Oregon State University is now repeating the test at a larger wind farm in Wyoming to confirm the results hold up. It is humbling to think a small can of paint might decide whether an eagle lives or dies 🎨.
Sources: Norwegian Institute for Nature Research, Ecology and Evolution journal, Oregon State University Newsroom, OPB, Vattenfall Research
