Mikula, P., Hromada, M. and Tryjanowski, P. 2013. Bats and Swifts as food of the European Kestrel (Falco tinnunculus) in a small town in Slovakia. Ornis Fennica. 90, 3 (Sep. 2013), 178–185. DOI:https://doi.org/10.51812/of.133832.