Where to Use Small gardens, balconies, domestic roofs, trees. How it Works The Flying Falcon provides a threat to pest birds, as one of their predators. 56cm wing span provides realistic movement when hanging. How to Install The flying Falcon can be hung with the supplied wire in trees or an appropriate position. Mount the flying Falcon up as high as possible, getting the threat above the pest birds if possible. Move the flying Falcon on a regular basis so the pest birds do not become comfortable with it in the same position. Leaving the flying Falcon in the same position for a prolonged period of time can result in the pest birds sitting next to or on top of the decoy!