There have been abundant theories on the origin of the circles, reports London’s newspaper The Daily Telegraph, including “termite activity, poisoning from toxic indigenous plants, contamination from radioactive minerals and even ostrich dust baths. ”
Ada banyak sekali teori mengenai asal usulnya, lapor harian The Daily Telegraph dari London, antara lain ” kegiatan rayap, keracunan akibat tanaman lokal yang beracun, pencemaran oleh mineral radioaktif, dan tempat burung unta berguling - guling ”.