Brambilla, M., D. Rubolini, and F. Guidali. “Eagle Owl Bubo Bubo Proximity Can Lower Productivity of Cliff-Nesting Peregrines Falco Peregrinus”. Ornis Fennica 83, no. 1 (March 31, 2006): 20–26. Accessed November 24, 2024. https://ornisfennica.journal.fi/article/view/133650.