Solve your bird problems, with the Hawk Bird Scarer. Originally designed to scare seagulls off boats, it works for backyards, sheds, commercial buildings & areas, golf, tennis and bowling greens, crops such as vineyards, fruit trees & wheat silos. The hawk bird scarer has been manufactured and sold in Australia since 1984 – almost 40 years. Whilst it doesn’t work for sparrows, you’ll get results with every other bird problem. The hawk bird scarer comes with a no questions asked money back guarantee.