At the same time, he argues that humans have a greater interest in life and liberty than most species of nonhuman animals.

A “brilliant” (Chicago Review of Books), “elegantly written, and compelling” (National Review) new theory and call to action on animal rights, ethics, a

THE argument for animal rights, a classic since its appearance in 1983, from the moral philosophical point of view. With a new preface.

To all of these animals we owe respect for their basic inviolable rights.

Scientists have long counseled against interpreting animal behavior in terms of human emotions, warning that such anthropomorphizing limits our ability to under