Searching the effectiveness within conservation projects: Applying the Swiss Cheese Theory to the creation of a supplementary feeding station for the Black Kite Milvus migrans in central Italy. avo [Internet]. 2021 Mar. 22 [cited 2026 Jul. 28];45(2). Available from: https://test-ojs-unimi-it.archicoop.it/index.php/avocetta/article/view/28517