I think animals to some extent know what is right and wrong within their acceptable framework. That is why a donkey will kick in retaliation to show their dissatisfaction when cornered with overwork, and dogs will play with and hug familiar faces but scare life out of strangers. I have an experience with goats when I was a little boy, that is coming in handy in this discourse. I remember some goats which would slither on their bellies like snakes when invading plantations to escape the all-seeing-eye of a herdsman