L. David Mech is a senior research scientist with the US Geological Survey and an adjunct professor in the Department of Fisheries, Wildlife, and Conservation Biology and Department of Ecology, Evolution, and Behavior at the University of Minnesota. He is author of The Wolf: The Ecology and Behavior of an Endangered Species, The Way of the Wolf, and The Arctic Wolf, among other books, and is coauthor of The Wolves of Denali.