Fraissinet, M., Giustino, S., Dovere, B., Esse, E., Mancini, V., Mastronardi, D., … Tatino, F. (2022). Trend and periodicity of the wintering population of Ferruginous Duck (Aythya nyroca) in Campania (Southern Italy). BORNH Bulletin of Regional Natural History, 2(1), 1–8. https://doi.org/10.6093/2724-4393/9076