Much has been written about animals in applied ethics, environmental ethics, and animal rights. This book takes a new turn, offering an examination of the ''animal question'' from a more fundamental, philosophical-anthropological perspective. The contributors in this important volume focus on how the animal has appeared and can be used in philosophical argumentation as a metaphor or reference point that helps us understand what is distinctively human and what is not. A recurring theme in the essays is the existence of a zone of ambiguity between animals and humans, which puts into question comfortable assumptions about the uniqueness and superiority of human nature.While the chapters straddle the boundaries of historical-philosophical and systematic, continental and analytic approaches, their thematic unity knits them together, presenting a rich, broad, and yet cohesive perspective. The first part of the book offers general explorations of the relation between animal and human nature,