Rosin Z. M., Skórka P., Pärt T., Żmihorski M., Ekner-Grzyb A., Kwieciński Z., Tryjanowski P. 2016. Villages and their old farmsteads are hot spots of bird diversity in agricultural landscapes. Journal of Applied Ecology. 53(5): 1363-72. doi:10.1111/1365-2664.12715