Murray Fowler, DVM, is Professor Emeritus of Zoological Medicine at the School of Veterinary Medicine, University of California at Davis, Davis, CA. Most recently, he has been a part-time employee of Ringling Brothers, Barnum and Bailey’s Circus. His previous publications include Zoo and Wild Animal Medicine, Fifth Edition (2003); Restraint and Handling of Wild and Domestic Animals (Blackwell Publishing, 1995); Medicine and Surgery of South American Camelids (Blackwell Publishing, 1998);and Biology, Medicine and Surgery of South American Wild Animals (Blackwell Publishing, 2001). Susan Mikota, DVM, is a co-founder and Director of Veterinary Programs and Research for Elephant Care International, the first nonprofit organization devoted to elephant healthcare. Her previous publications include Medical Management of Elephants (1994) and several book chapters on elephants.