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This volume provides a general overview of the basic ethical and philosophical issues of animal rights. It asks questions such as: Do animals have moral rights? If so, what does this mean? What sorts of mental lives do animals have, and how should we understand welfare? By presenting models for understanding animals' moral status and rights, and examining their mental lives and welfare, David DeGrazia explores the implications for how we should treat animals in connection with our diet, zoos, and research. Animal Rights distinguishes itself by combining intellectual rigor with accessibility, offering a distinct moral voice with a non-polemical tone.

Smith believe that granting "rights" to animals would inevitably diminish human dignity.

The concepts of animal, human, and rights are all part of a philosophical tradition that trades on foreclosing the animal, animality, and animals. Rather than looking to qualities or capacities that make animals the same as or different from humans, I investigate the relationship between the human and the animal. To insist, as animal rights and welfare advocates do, that our ethical obligations to animals are based on their similarities to us reinforces the type of humanism that leads to treating animals—and other people—as subordinates. But, if recent philosophies of difference are any indication, we can acknowledge difference without acknowledging our dependence on animals, or without including animals in ethical considerations. Animal ethics requires rethinking both identity and difference by focusing on relationships and responsivity. My aim is not only to suggest an animal ethics but also to show how ethics itself is transformed by considering animals.

In Section I, the purely conceptual issue as to whether animals other than human beings, all or some, may possess rights is examined. This is approached via a consideration of the concept of a moral right, and by way of examining the claims of sentience, consciousness, capacities for pleasure and pain, having desires, possessing interests, self-consciousness, rationality in various senses. It is argued that only beings possessed actually or potentially of the capacity to be morally self-determining can be possessors of rights. In Section II, normative questions concerning the rights animals might possess if they were to be capable of possessing rights are discussed. The approach followed is that of considering the kinds of argument advanced in support of human rights, and whether these arguments, and the rights they are claimed to establish, are transferable to animals, and whether there are or might be specifically animal rights. In Section III the question of what is or could be the goal of one who recognizes and seeks to respect all rights, animal and human, is raised. In particular, the issue as to whether a goal of maximizing the satisfaction of rights could remain a coherent one if animal rights are acknowledged, is explored.

In On Their Own Terms (Darien, CT: Nectar Bat Press, 2010), Lee Hall articulates a theory that wild animals, due to their autonomous nature, are endowed with rights, but domesticated animals lack rights because they are not autonomous. Hall then argues that the rights of wild animals require that humans let them alone, and that, despite the fact that domestic animals lack rights, humans are required to take care of them because it is humans who brought them into existence. While sympathetic to Hall's aims, this review concludes that Hall’s theory denies rights to domestic animals only by employing theoretical means that are uncomfortably analogous to how others have denied rights to all nonhuman animals.

Do non-human animals have rights? The answer to this question depends on whether animals have morally relevant mental properties. Mindreading is the human activity of ascribing mental states to other organisms. Current knowledge about the evolution and cognitive structure of mindreading indicates that human ascriptions of mental states to non-human animals are very inaccurate. The accuracy of human mindreading can be improved with the help of scientific studies of animal minds. But the scientific studies by themselves do not by themselves solve the problem of how to map psychological similarities (and differences) between humans and animals onto a distinction between morally relevant and morally irrelevant mental properties. The current limitations of human mindreading – whether scientifically aided or not – have practical consequences for the rational justification of claims about which rights (if any) non-human animals should be accorded.

Even if animal liberation were to be adopted, would rights for animals be redundant – or even deleterious? Such an objection, most prominently voiced by L. W. Sumner and Paul W. Taylor, is misguided, risks an anthropocentric and anthropomorphic conception of autonomy and freedom, overly agent-centered rights conceptions, and an overlooking of the likely harmful consequences of positing rights for humans but not for nonhuman animals. The objection in question also stems from an overly pessimistic construal of autonomy-infringements thought to result from extending rights to animals, and also, of confusions that supposedly may ensue from ascribing animal rights. Whether or not a case for animal liberation and/or animal rights can cogently be made, the redundancy-or-worse objection to animal rights need pose no barrier.

The idea that animal rights can be married to environmental ethics is still a minority opinion. The land ethic of Aldo Leopold, as interpreted by J. Baird Callicott, remains fundamentally at odds with the ascription of substantial rights to (nonhuman) animals. Similarly, Laura Westra’s notion of “respectful hostility,” which attempts to reconcile a holistic environmental ethic with “respect” for animals, has no place for animal rights.In this paper, I argue that only by ascribing rights to sentient animals can an environmental ethic avoid an unacceptable degree of anthropocentrism because only a rights-based environmental ethic can prohibit humans from significantly interfering with sentient animals when human vital needs are not at stake. A rights view that permits significant interference when it is required for the satisfaction of human vital needs avoids problems that otherwise plague a rights view. The “vital-needs rights view” reconciles the rights of animals with the satisfaction of human vital needs—including the vital need to have a flourishing natural environment—suggesting a possible alliance between animal rights and deep ecology and revealing the connections among vital needs, capitalism, and environmental degradation.

'Animals sell papers' : the value of animal stories -- Media and animal debates : welfare, rights, 'animal lovers' and terrorists -- Stars : animal performers -- Wild : authenticity and getting closer to nature -- Experimental : the visibility of experimental animals -- Farmed : selling animal products -- Hunted : recreational killing -- Monsters : horrors and moral panics -- Beginning at the end : re-imagining human-animal relations.

Animal rights and moral theories -- Arguing for one's species -- Utilitarianism and animals : Peter Singer's case for animal liberation -- Tom Regan : animal rights as natural rights -- Virtue ethics and animals -- Contractarianism and animal rights -- Animal minds.