The system and method of detection of low flying animals, such as birds, bats, and insects, and more particularly the detection of low flying animals using a radar system to detect the animals in three-dimensional airspace. The radar system produces narrowly focused radar pulses. The radar system comprises a single radar unit, an A/D proceeding apparatus, an A/D conversion apparatus, and a pan/tilt controlled base platform. The system and method further producing an avoidance response in an animal, and more particularly, producing an avoidance response by illuminating the animal with ultraviolet light.