US Patent 9924707 Bird deterrent

The bird deterrent comprises a substantially flat tilting surface, having a substantially elongated shape and a substantially curvilinear profile, which can be positioned in a balancing position and oscillating, as a consequence of a bird or the like perching on it, around at least an axis of rotation substantially horizontal and parallel to the longitudinal axis of the tilting surface, and support means associable with a perching surface and supporting the tilting surface.