PROBLEM TO BE SOLVED: To solve the problem that a conventional bird-repelling method cannot cope with accustomedness of birds to a set repelling tool obtained by learning ability of birds obtained by passage of time, with respect to the repelling tool set in the first time.SOLUTION: There is provided a magnet ball for repelling birds in which a plurality of circular recesses are provided on a spherical surface made of a non-magnetic material, and each circular magnet is fixed there, and a fitting tool is provided on a sphere body.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】 従来の鳥類の防除方法では当初取付けた防除具に対して、鳥類が時間経過によって学習能力により仕掛けた防除具への鳥類の慣れに対応することが出来なかった。【解決手段】非磁性体製の球体面に複数の円形凹を設け、そこに円形磁石を固定し、球体本体に取付け具を設けた鳥類防除用マグネットボール。【選択図】図1
