GolawskiA., and GoławskaS. “Weather and Predation Pressure: The Case of the Red-Backed Shrike (Lanius Collurio)”. Acta Zoologica Academiae Scientiarum Hungaricae, Vol. 65, no. 4, Nov. 2019, pp. 371–379, doi:10.17109/AZH.65.4.371.2019.