It can be installed simply on the electric pole or on the periphery of the distribution line to detect the presence of algae when they are nearby and to eliminate the algae. By using a variety of methods for eliminating the algae according to the detected algae, A bird-fighting system is disclosed. The present invention relates to a bird detection unit for detecting a bird when approaching the bird; An algae elimination unit for alleviating the algae sensed by the algae sensing unit; A database unit storing data of algae sensed by the algae sensing unit and a plurality of algae elimination methods through the algaeaeration unit; A power supply unit electrically connected to the electrical components to selectively supply power; And a controller which is electrically connected to the algae sensing unit and outputs a control signal for controlling the algaeaeration unit by receiving a monitoring signal, wherein the controller selects at least one of the database sub- And a control unit for controlling the algae eliminating unit and storing the data on the use result in the database unit.
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