PROBLEM TO BE SOLVED: To prevent birds from entering into a space between an overhead line and a bird damage prevention line and staying in the overhead line with a simple structure.SOLUTION: A bird damage prevention tool 1 is attached to a bird damage prevention line L held along an overhead line W above the overhead line W. The bird damage prevention tool 1 further includes a bird damage prevention part 30 which prevents birds from staying on the overhead line W.COPYRIGHT: (C)2015,JPO&INPIT【課題】架空線と鳥害防止線との間に鳥類が進入し架空線に停留することを簡易な構成で防止する。【解決手段】鳥害防止具1は、架空線Wの上方で架空線Wに沿って保持された鳥害防止線Lに取り付けられる鳥害防止具1であって、架空線Wに対する鳥類の停留を防止する鳥害防止部30を更に備える。【選択図】図3