Animal Welfare and Rights: A Comprehensive Guide to Understanding and Protection
Modern policy shifts are increasingly driven by hard science rather than purely emotional appeals. Cognitive ethology and neuroscience have demonstrated that a vast array of species possess consciousness, emotional depth, and complex social structures.
, championed by philosophers like Tom Regan, goes further. It argues that animals are not property. They are "subjects of a life"—sentient beings with their own desires, memories, and goals. Rights theory asserts that using animals as resources is inherently wrong, regardless of how "humanely" we do it. Just as we cannot cage a human "humanely," we should not cage a chimpanzee.