This book reflects all of the major developments in research, conservation, and management programs on Martes species that have occurred throughout the world during the last few decades.

Keith B. Aubry and Martin G. Raphael are Research Wildlife Biologists at the USDA Forest Service, Pacific Northwest Research Station. William J. Zielinski is a Research Ecologist at the USDA Forest Service, Pacific Southwest Research Station. Gilbert Proulx, the chair of the Martes Working Group, is Director of Science at Alpha Wildlife Research & Management Ltd. Steven W. Buskirk is Professor of Zoology and Physiology at the University of Wyoming.