This book distinguishes itself from much of the polemical literature on these issues by offering the most judicious and well-balanced account yet available of a

Do animals have moral rights? If so, what does this mean? What sorts of mental lives do animals have, and how should we understand welfare? By presenting models

" ... an essential examination of how animals assemble the basic tool kit that we call the mind: the ability to count, to navigate, to recognize individuals, to

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

From eye-witness accounts of elephants apparently mourning the death of family members to an experiment that showed that hungry rhesus monkeys would not take fo