Wiggins, David A., Denver W. Holt, and S. M. Leasure. 2006. “Short-eared Owl (Asio flammeus).” 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/sheowl doi: 10.2173/bna.62