Angelici, Francesco Maria, and Alessandro Fiorillo. “Repeated Sightings of Alexandrine Parakeet Psittacula Eupatria in Rome (Central Italy) and Its Likely Acclimatization”. Rivista Italiana di Ornitologia 85, no. 2 (August 2, 2016): 33–35. Accessed April 20, 2024. https://sisn.pagepress.org/rio/article/view/211.