Wild animals are just as confused as people are now. You've got toxins in the water, oil, sewage, all sorts of things.
Never let us be discouraged with ourselves. It is not when we are conscious of our faults that we are the most wicked; on the contrary, we are less so. We see by a brighter light; and let us remember for our consolation, that we never perceive our sins till we begin to cure them.