The present invention relates to the object of the present invention to provide a bird damage prevention tool that can prevent bird damage to the insulator. In insulator for supporting the A wire along with the longitudinal direction of the middle part it is wound, includes a binding wire in the longitudinal direction of both sides part is wound around the wire, and the repellent member provided on the binding wire, repellent member is bird damage prevention device having the insulator for repelling member provided in the longitudinal direction middle portion of at least the binding wire.FIELD 1【課題】 碍子に対する鳥害を防止できる鳥害防止具の提供を課題とする。【解決手段】 電線を支持するための碍子に長手方向途中部分が巻掛けられるとともに、長手方向両側部分が電線に巻回されるバインド線と、バインド線上に設けられる忌避部材とを備え、忌避部材は、少なくともバインド線の長手方向途中部分に設けられる碍子用忌避部材を備えた鳥害防止具。【選択図】図1