Iridescent holographic bird repelling ribbon. Simple to install. Hang or tie wherever pest birds roost, nest or create problems. Use for pigeons, sparrows, starlings, crows, blackbirds, grackles, seagulls, swallows, woodpeckers, ducks, geese, and more. Ideal for yards, gardens, rooftops, parks, ponds, boat docks, private beaches, patios, balconies and any open outdoor area.