Trees that provide a habitat to bats and an abundance of bugs—their main food source—will attract bats to your yard. Because the North American landscape has changed so much in recent years, bats have a harder time finding trees with cavities to shelter in. If your yard has a dead or dying tree with a lot of sun exposure, bats will likely be drawn to it because trees with those features are less common.

Yes, predator decoys work to keep birds away, at least temporarily. However, if the decoy remains motionless in the same spot for a long enough time, the birds will eventually wise up and realize it's a fake. Keep changing the location of the predator decoy to ensure that the birds keep their guard up and maintain their distance.

Methods include exclusion devices, netting, and sealing entry points. Professionals ensure compliance with local wildlife regulations.

To keep animals out, you must prevent them from entering. As long as they can get in, the problem will persist. That said, consider making your attic less inviting using deterrents like motion-activated lights or ultrasonic devices. Additionally, keeping a well-maintained, clean, and uncluttered attic that you regularly inspect for activity may make the space less attractive to critters.