Poulin, Ray G., L. Danielle Todd, Elizabeth A. Haug, Brian A. Millsap, and Mark S. Martell. 2011. “Burrowing Owl (Athene cunicularia).” The Birds of North America, edited by Paul G. Rodewald. Ithaca: Cornell Lab of Ornithology. Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/burowl doi: 10.2173/bna.61