In Singer’s Animal Liberation he says Speciesism is someone being bias against a creature because of the species it belongs to. The relevant sentence he says is,” Speciesism—is a prejudice or attitude of bias in favor of the interests of members of one's own species and against those of members of other species”.Humans usually show speciesism when they give less importance to the interests of nonhuman animals than they give to the similar interests of human beings. Note the requirement that the interests in question be “similar.” It’s not speciesism to say that normal humans have an interest in continuing to live that is different from the interests that nonhuman animals have. One might, for instance, argue that a being with the ability to
