Off-duty nurse Cathy McDaniel was killing time in her pickup eating McDonalds french fries and texting her husband when she heard a giant boom, like somebody had shot the roof. Unlike rooks, these crows had no prior experience of handling stones and dropping them into tubes. Webresearchers had taught some crows to drop stones into test tubes of water in order to raise the water level high enough to retrieve a float-ing worm. When crows become pest birds causing damage to your house we have a wide variety of excellent methods and products that work for all types of crow problems. After all, it is not easy to shoo them away from staying up high in your home. The product is electrical and can be dangerous if not installed correctly. They can problem-solve, use tools, and make as many as 30 calls. Doing this should cover the most leak-prone areas. Five of the birds learned the system within 15 tries. Pick one up at a home center or order online. So, how to achieve success and get rid of these noisy, troublesome crows? Interior use supports, struts, beams, etc. Some of the options include installing plastic spikes so birds can't land on the roof, visual or audio measures that deter birds from the area and installing nets. The diseases spread by their waste can become airborne, transferring to humans just by being in the same vicinity as the droppings. This damage can be permanent. If the roof is easily accessible, you can check it regularly and spray bird droppings off with a powerful garden hose. Make sure you install the fake crow upside down with their wings widely spread. Weatherstripping disappeared from several windows and a door. No, not unless you're a farmer trying to protect his crops from their ravenous appetite. Theyll create groups and begin to seek out activities purely for fun. If no one actually saw a crow or raven dropping rocks that damaged the auto glass, Sinnott wrote in an email Monday, I would suspect a pre-teen who was blaming the corvids. Americans already spend hundreds of dollars a year on car maintenance. Okay, if you dont want crows around your garden, its completely fine to use lethal force for deterrence.