The potential human or animal effort different abilities in one side, this should make the human being develops his or her own ethics. And expand the scope of the rights covered by the access to other animals.
The man had the capacity or capability than other animals on one side, it should make up their own human moral development. And expand the coverage to other animals.
That humans have the capacity or ability than other animals in one side, this should make the moral development of human self to a higher level. Expand the scope of rights covers the other animals.