Abstract: A device and a method for protecting a structure, especially a wire or cable-like structure, against roosting of birds. The device comprises an array of flexible, plastic fingers extending away from the wire or cable-like structure in a predetermined pattern. Each of the flexible, plastic fingers is flexible enough such that when a bird attempts to land thereon, the finger will flex relative to the wire or cable-like structure, thereby deterring the bird from landing on the wire or cable-like structure. The flexing capability of the fingers is designed to frustrate a bird from landing thereon, and the structure of the fingers is designed to minimize the risk of injury to the bird.