Rodriguez, Loretta, Joy Jordan, Mark E. Hostetler, Christina Packard, and Jessica Kochert. 2010. “Bluebirds and Other Cavity-Nesting Birds: Leader’s Guide: HWLL30 4H289, 1 2010”. EDIS 2010 (2). Gainesville, FL. https://doi.org/10.32473/edis-4h289-2010.