This philosophy rejects the idea that animals are human property. It argues that animals possess inherent value and basic rights, most notably the right to bodily autonomy and life. From this perspective, any institutional use of animals—whether for food, clothing, or experimentation—is fundamentally unjust, regardless of how "humane" the conditions may be. The Science of Animal Sentience
Mammals, birds, and increasingly recognized organisms like cephalopods (octopuses) and decapod crustaceans (crabs and lobsters) possess sentience. This means they can experience positive and negative emotional states, including joy, affection, fear, anxiety, and physical pain. Studies show that pigs can play video games, crows can manufacture tools, and elephants mourn their dead. This growing body of evidence forces society to expand its circle of moral consideration. Critical Frontiers in Animal Advocacy This philosophy rejects the idea that animals are