Fattorini, Simone. β€œIs the Kestrel Falco Tinnunculus Able to Discriminate Against Obnoxious Beetles?”. Ornis Svecica 10, no. 3–4 (October 1, 2000): 171–173. Accessed May 20, 2022. https://journals.lub.lu.se/os/article/view/22876.