Auteur: Andrew E. Derocher

Andrew E. Derocher, a leading polar bear researcher, is a professor in the Department of Biological Sciences at the University of Alberta and author of numerous articles on large Arctic mammals. Wayne Lynch is a freelance science writer and wildlife photographer and a fellow of the prestigious Explorers Club. Among his many publications is Owls of the United States and Canada: A Complete Guide to Their Biology and Behavior, also published by Johns Hopkins.