Usually, how does Mr. Fox know where the farmers are hiding?
They were just outside the hole, behind a tree with their guns. And what is more, they had chosen their positions very carefully, so that the wind was not blowing from them towards the fox's hole. In fact, it was blowing in the opposite direction. And Mr Fox couldn't smell them out. Mr Fox crept up the dark tunnel to the mouth of his hole. He put his long handsome face out into the night air and sniffed once.