Nowadays, animals are in danger of dying out, at least one million animal species have already disappeared since 1980. Worse still, as the using of hunting, laboratories, and commercial getting common, the number of animal species decreases faster and faster, and this phenomenon will continue if no one come out and speak up for the animals. Today, animal right is a highly contentious issue. Do animals have rights? Philosophers have different standpoints. In “The Case for Animals Rights” which is written by Tom Regan, Regan states that animals should have fundamental rights as humans, and also be protected from the unnecessary harm. In addition, in Peter Singer’s article “All Animals Are Equal”, he has the same standpoint as Regan that animals should have the same principles that human received. In contrast, in the article “The Case of the Use of Animals in Biomedical Research” by Carl Cohen, he supports Regan in his moral theory, however, he argues that animals should not have rights, and he also points out that the using of animals in medical research is important. “The Case for Animal Rights”, “All Animals are Equal” and “The Case of the use of Animals in Biomedical Research” let us know that although hurting animals is not unlawful, it’s morally wrong; for the purpose of protecting animals, people must change their beliefs.
In Regan’s article, he supports that animals are equal to humans, and should have the same rights as humans. Although animals and us born in different classes, we are born equal, are the subject of life. He also mentions the “inherent value” of the animals, even though they lack of abilities that human do, they are still worthy with respect. In terms of legality, hurting or killing people are guilty, atrocity, or villainy; looked from the morals, are also reproachful behavior. Same as animals, they have feeling, and they can feel pain, but