This book is the first comprehensive reference work ever published on the systematics, ecology, conservation status, and management of all the worlds deer species. Covering all 53 deer species worldwide, this volume brings together the contributions of 160 international deer experts and provides: A comprehensive overview of the current state of knowledge on the evolution, phylogeny, taxonomy, and systematics of deer An in-depth insight into the ecology and conservation status of each species, with detailed accounts A series of case studies on conservation, management, hunting, farming, disease ecology, and the impact of deer on forest ecosystems. This beautifully illustrated book is an invaluable resource for researchers, wildlife managers, and students of conservation biology, ecology, and management, as well as the interested layperson. It reveals the fascinating story of deer evolution, the long history of human interactions with deer, and the major threats to this charismatic species group.