Photo: Russell Bird
Photographer Russell Bird captured this mysterious structure known as the "sheep circle":
There were strange goings on at the farm today when a flock of sheep made their own version of a crop circle.
About 100 of the woolly creatures formed an orderly ring - baffling the farmer and passers-by.
But after hearing the roar of the boss's tractor the animals scattered like a group of naughty schoolboys.