1. Remove food sources. Hawks are attracted to food, so removing any potential food sources from your deck will help to deter them. This includes bird feeders, pet food, and garbage.
2. Cover your deck. If you have a covered deck, this can help to keep hawks away. Make sure the covering is secure and that there are no gaps where hawks can get through.
3. Use a scarecrow. A scarecrow can be an effective way to scare hawks away. Place the scarecrow in a visible spot on your deck and change its position frequently to keep hawks from getting used to it.
4. Hang reflective objects. Hawks don't like shiny objects, so hanging reflective objects around your deck can help to scare them away. Some common reflective objects that you can use include mirrors, CDs, and wind chimes.
5. Use a motion-activated sprinkler. Motion-activated sprinklers can be an effective way to startle hawks and scare them away. Place the sprinkler in a spot where it will cover the area where the hawks are landing and set it to activate when motion is detected.
6. Make loud noises. Hawks are also scared of loud noises, so you can try making loud noises to scare them away. Some common loud noises that you can make include clapping your hands, banging pots and pans, or using a noisemaker.
7. Get a dog. Dogs can be a natural deterrent for hawks, so if you have a dog, let it out on your deck when you're not using it. The dog's presence will help to keep hawks away.
8. Hire a falconer. If you have tried all of the above methods and you're still having trouble with hawks, you can hire a falconer to help you. Falconers use trained birds of prey to scare hawks away.