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. Photographer Russell Bird, who captured the amazing scene, said:"I was quite taken aback. I couldn't believe what I was seeing," he said. "I did see a dog worrying sheep nearby beforehand and the dog ran off round the hedge in a different field, so...