Bird repeller

The utility model relates to the technical field of bird repelling equipment, in particular to a bird repelling device which comprises a fixing mechanism, a repelling mechanism is fixedly connected to the top end of the fixing mechanism, a power mechanism used for driving the repelling mechanism to rotate is rotatably connected to the top end of the repelling mechanism, the fixing mechanism comprises a fixing block, and a sliding groove is formed in the bottom face of the fixing block. The two-way lead screw is rotationally connected between the side faces of the two short edges in the sliding groove, the two clamping plates can move towards the two ends or the middle of the two-way lead screw, the device can be fixed to the tower, the device does not need to punch holes in the tower, installation is easy, the danger of workers can be reduced, and the working efficiency is improved. The colored ribbons are annularly fixed to the outer wall of the cylindrical block at equal angles, the colored ribbons can rota