Velatta, Francesco, Mario Muzzatti, Monica Montefameglio, and Maria Maddalena Chiappini. “Monitoring of Some Species of Colonial Nesting Ardeidae at Lake Trasimeno (Central Italy)”. Rivista Italiana di Ornitologia 80, no. 2 (May 31, 2012). Accessed May 16, 2024. https://sisn.pagepress.org/rio/article/view/96.