A report on how the uniquely southwestern Lucy's Warbler got its name, and the controversy over whether to replace it. Lucy Baird was an extraordinarily successful ornithologist who helped establish the Smithsonian Institution as the premier scientific repository for bird identification and categorization. Bird of the episode: the Kingbird. Birding hotspot: St. John's Sewage Treatment Ponds in northeastern Arizona. Friend-of-wildlife organization: Arizona Association for Environmental Education.