The Scarecrow is the smartest scarecrow ever invented. When it see's an intruder it instantly releases full garden hose pressure towards the trespasser. This unpleasant experience is quickly associated with the location. To avoid similar surprises they begin to avoid the area. While humans flee several steps after activating a Scarecrow motion activated sprinkler, animals are scared to a much greater degree, run much further and stay away longer. We attribute this difference in part to the inherent fight or flight survival mechanism found in most animals and their lack of intelligence or ability to ‘figure out’ what caused the annoying noise and motion.

Other reasons why the Scarecrow works:

• Training/repelling is consistent at the location, 24 hours a day
• It is the environment rather than a person or other animal doing the 'conditioning'
• The water spray distributed is sufficiently surprising and unpleasant to communicate an immediate 'Leave now' message.