Although videography has been used for many years to record episodes of animal behavior, the availability of increasingly complex equipment can make selection difficult. Most equipment developed for round-the-clock observations was designed for security surveillance, so informed purchasing, installation, and usage decisions need to be made to monitor animal behavior effectively. During 7 years of using video and infrared equipment for animal behavior research and monitoring in a zoo setting, we tested many models, evaluated options, and modified components. We now have well-integrated systems that are compatible with our video/computer review and analysis program. New equipment will continue to become available, but familiarity with basic features and applications can help to narrow the selection. Zoo Biol 17:535–543, 1998. © 1998 Wiley-Liss, Inc.