A system useful to protect a real estate property includes at least one sensor configured to monitor presence of a nuisance animal on the real estate property, a computerized control module including programming to diagnose the presence of the nuisance animal based upon data from the at least one sensor, and at least one mobile robotic device. The mobile robotic device is configured to move to a location of the nuisance animal on the real estate property based upon the data from the at least one sensor and emulate a predator to move the nuisance animal.