new noise barrier by the road with windows. they are very transparent, straight and reflect like a mirror. birds often perceive th

airplane airport are barrier beam bird birds black blue can colliding collision concrete creeper death eagle fence fly free frequent glass gray high highway hit impact industrial injury kill lattice level mesh metal mirror mock new noise often perceive plant predator prevention reduction reflect residential road silhouette sky space stick straight terrace these they traffic transparent trellis unfortunately very wall warehouse which window windows wire yard