Rodriguez, Loretta, Joy Jordan, Mark E. Hostetler, Christina Packard, and Jessica Kochert. “Bluebirds and Other Cavity-Nesting Birds: Leader’s Guide”. EDIS 2010, no. 2 (April 30, 2010). Accessed July 1, 2024. https://ojs.test.flvc.org/edis/article/view/118427.