2/3 1984 VOLUME 8 - N. 2/3 AVOCETTA VOLUME 8 - N. 2/3 2/3 1984 Read Article Online Download Pdf AVOCETTA - VOLUME 8 - N. 2/3 2/3 1984 SOME CASES OF KLEPTOPARASITISM OF BLACK-HEADED GULL Larus ridibundus AGAINST HOODED CROW Corvus corone cornix, RUFF Philomachus pugnax AND GARGANEY Anas querquedula Calvario E., Fratìcelli F. & Ruvolo U. 13 43 Read Article Download Abstract: