A field full of cows

This afternoon I went for a walk through the fields when all of a sudden I came across this field full of cows. Whenever I come to a field of animals I have to lie down and await instruction. I always, always have to go on my lead if sheep are about but today I was allowed to stay off lead. I never chase cows - well they are much, much bigger than me! I walked sensibly round the edge of their field and just ignored them.