Marotto, Paolo, and Alessandro Bergamo. “[Breeding of Red Kite (Milvus Milvus) Confirmed in the Western Po Valley]”. Rivista Italiana di Ornitologia 88, no. 2 (June 18, 2019): 50-52. Accessed October 18, 2019. https://sisn.pagepress.org/index.php/rio/article/view/404.