Bruce Rideout is a pathologist and disease investigation specialist for the San Diego Zoo and San Diego Zoo Safari Park, where he is director of Disease Investigations. He received his DVM and PhD degrees from the University of California, Davis, completed a pathology residency at the National Zoo in Washington DC, and is a diplomate of the American College of Veterinary Pathologists. He is also a Research Fellow of The Peregrine Fund and participates in a variety of conservation efforts, including recovery programs for California condors, Mojave Desert tortoises, Hawaiian forest birds, and collaborative programs for Giant Panda conservation in China. His research focuses primarily on infectious diseases of wildlife, avian embryo pathology, and disease risk assessments for reintroduction programs. In his spare time, he studies the songs and calls of terrestrial birds, and helps to organize and lead pelagic birding trips in San Diego, California.