December 2003 VOLUME 27 - N. 2 AVOCETTA VOLUME 27 - N. 2 December 2003 Read Article Online Download Pdf AVOCETTA - VOLUME 27 - N. 2 December 2003 Analysis of the spring migration of Honey Buzzards (Pernis apivorus) and Marsh Harriers (Circus aeruginosus) at two sites of central Italy Agostini N., Panuccio M. 21 67 Read Article Download Abstract: