Animal rights the interests of the worse off more important than those of the better off. Another approach, virtue ethics, holds that in considering how to act we should consider the character of the actor, and what kind of moral agents we should be. Rosalind Hursthouse has suggested an approach to animal rights based on virtue ethics. Mark Rowlands has proposed a contractarian approach. Nussbaum (2004) writes that utilitarianism, starting with Jeremy Bentham and John Stuart Mill, has contributed more to the recognition of the moral status of animals than any other ethical theory. The utilitarian philosopher most associated with animal rights
Edward Bentham philosopher and reformer Jeremy Bentham (1748–1832). In 1717, on the recommendation of Dr. Smalridge, then a fellow of Christ Church college, Bentham was sent away to Oxford where he sang as a chorister at Christ Church, before entering the college as a student on 28 March 1724. He studied under the supervision of John Burton, a cousin who became also a friend. He was listed as a scholar in 1726. Sources commend Bentham's erudition and even temperament. As soon as he had taken his Bachelor of Arts degree he was invited by the principal of Magdalen Hall to become vice-principal