Mezzavilla, Francesco, Gianfranco Martignago, Saverio Lombardo, Luca Boscain, and Giancarlo Silveri. 2012. “Hawfinch, Coccothraustes Coccothraustes: Autumnal Migration over Trevigiane Prealps. Years 2004-2010”. Rivista Italiana Di Ornitologia 81 (2). https://doi.org/10.4081/rio.2011.71.