Mikula, Peter, Martin Hromada, and Piotr Tryjanowski. “Bats and Swifts As Food of the European Kestrel (Falco Tinnunculus) in a Small Town in Slovakia”. Ornis Fennica 90, no. 3 (September 30, 2013): 178–185. Accessed November 21, 2024. https://ornisfennica.journal.fi/article/view/133832.