A Beeping UFO is an aerial anomaly which also produces audible noises or beeps. In the absence of a visual sighting, care must be taken to rule out terrestrial/animal sources such as birds or bats.
The Periodic Table of Paranormal Elements
A Beeping UFO is an aerial anomaly which also produces audible noises or beeps. In the absence of a visual sighting, care must be taken to rule out terrestrial/animal sources such as birds or bats.