Controllable water level: The drinking water device can control the water level of the tank to prevent the pigeons from getting heat stroke due to lack of drinking water. Water trough Automatic Pigeon Bird Feeder Water Feeder: The support rod of bird feeding equipment is a rotating circular tube, it will not stick pigeon hair. Bird feeder water for pigeons: the top cover of the box body is set at an inclined angle of 35-60 to effectively prevent the tank from drinking pollution. Convenience for cleaning: the water tank is connected to the drinking water port by a split hasp, which can facilitate the cleaning of the drinking water tank. Unique design: The rotating pipe placed on the top cover solves the problem that pigeons cannot stand and defecate. The support rod is a 360° rotatable circular tube, it will not stick pigeon hair