Surdo, Salvatore, Paolo Galasso, Camillo Cusimano, Marco Reale, and Manuel Andrea Zafarana. 2022. “Citizen Science Project to Monitor Wildlife: A First Census of Wintering Booted Eagle Hieraaetus Pennatus in Sicily”. Rivista Italiana Di Ornitologia 92 (2): 33-38. https://doi.org/10.4081/rio.2022.583.