Generally, as the birds, which is the time you're in the right environment. I'm not fond of accuracy when it is decided to use my car as a target, although the practice. There are those times when the birds go from being very mellow creatures to be a pain. Well, if you have a situation where the birds are causing problems on a flat surface of some kind, that's a bit away from you, this device could collect solar energy. It is a great alternative if you are not ready to build a pistol and camping.