Franzoi, Alessandro, Simone Tenan, Paula Lorenzo Sanchez, and Paolo Pedrini. “Temporal Trends in Abundance and Phenology of Migratory Birds across the Italian Alps During a 20-Year Period”. Rivista Italiana di Ornitologia 91, no. 2 (December 22, 2021): 13–28. Accessed December 21, 2024. https://sisn.pagepress.org/rio/article/view/528.